Swine production and challenges in Vietnam after african swine fever: A case study in Peri-Urban Hanoi, Vietnam

ISSN 2588-1299  
VJAS 2021; 4(1): 965-977  
Vietnam Journal  
of Agricultural  
Sciences  
Swine Production and Challenges in  
Vietnam after African Swine Fever: A Case  
Study in Peri-Urban Hanoi, Vietnam  
Nguyen Thi Duong Nga, Pham Van Hung, Le Thi Long Vy,  
Nguyen Thi Thu Huyen, Duong Nam Ha & Giang Huong  
Faculty of Economics and Rural Development, Vietnam National University of  
Agriculture, Hanoi 131000, Vietnam  
Abstract  
The goal of this paper was to identify major challenges in rebuilding  
the swine industry in Vietnam, using the Chuong My district, Hanoi  
as a case study. Primary data was gathered in 2020 mainly through a  
survey of 97 swine producers in the district. Analysis tools were  
descriptive and comparative statistics. Results show that after the  
African swine fever (ASF) outbreak, the recovery of the swine  
industry in Vietnam faced several challenges, including the issues of  
piglet quantity and quality, changing consumer preferences which  
were worsened by the current Covid-19 pandemic, relatively cost  
disadvantage of domestic production under the context of new free  
trade agreements, disease risk (ASF under the condition of no  
effective and safe vaccine), insufficient resources of farms to restock,  
and environmental issues caused by swine production in rural areas.  
The paper proposed several recommendations to rebuilding the swine  
herd in order to address the issues and overcome the challenges,  
mainly focus on improving sow quality, market information and  
linkages, good practices in production, training for labor, and address  
environmental issues.  
Keywords  
African swine fever, challenges, smallholders  
Introduction  
The swine industry contributes over 60% of the total meat  
production in Vietnam (GSO, 2020). The industry also provided  
livelihood to about 3 million producers in rural areas in 2019, among  
which more than 90% were smallholders with less than 100 pigs  
(Vietnam Livestock, 2020). These pigs were more susceptible to  
swine-related diseases than those in large and modern farms due to a  
lack of disease-prevention resources and capacity. In February 2019,  
the first case of African swine fever (ASF) was detected in Vietnam.  
The disease spread to all 63 provinces in Vietnam. The World  
Organization for Animal Health (OIE) confirmed that ASF affected  
Received: December 15, 2020  
Accepted: February 25, 2021  
Correspondence to  
965  
Swine production and challenges in Vietnam after African swine fever: A case study in peri-urban Hanoi, Vietnam  
pigs and wild boars up to 100% fatality rate.  
From February to October 2019, ASF in Vietnam  
caused the death and culling of approximately  
5.7 million pigs, corresponding to more than  
20% of the total swine population of the country.  
Such heavy loss amounted to approximately 330  
thousand tons less pork produced (MARD,  
2019), which impacted the swine industry  
production. As pork remains dominant in the  
meat consumption basket in Vietnam (Nga et al.,  
2014), the production recovery is very important  
and the identification of challenges in pig  
production after ASF outbreak could provide  
information for the government and line agencies  
to pursue appropriate strategies. This paper  
provided an overview of the swine production in  
Vietnam amidst the ASF outbreak, government  
responses to the disease outbreak, identified the  
challenges for the swine industry, and proposed  
key recommendations for complete recovery in  
the swine sector in the future. The study analyzed  
swine production in Chuong My district, which  
ranked second in swine population among the  
districts of Hanoi. The study was limited to farm  
household level and did not cover other  
production by companies or cooperatives.  
interviewed. Key informant interviews with the  
staff working in the District Board of Veterinary  
and Livestock Production (DBVLP) and farmers  
were also conducted. Data were grouped by  
production scale (including small, medium, and  
large scales), defined by the number of pigs per  
liter (under 20, from 20 to 40, and above 40,  
respectively). The analysis tools employed in the  
study consisted of descriptive and comparative  
statistics, and ANOVA to compare means among  
the different groups.  
Results and Discussion  
Overview of swine production amidst ASF  
outbreak in Vietnam and government  
responses  
Pig sector and ASF  
Vietnam is one of the top swine producers in  
the world, with a sustained pig population of  
around 27-29 million in 2010-2019 (GSO, 2020).  
Total pork production was estimated at 3.9  
million tons in 2018, accounting for 71.5% of the  
total meat production of the country. The  
production was mainly composed of numerous  
farm households and companies/big groups such  
as C.P. Vietnam Corporation and DABACO  
Group. These big groups adopted the 3F process  
(Feed – Farm – Food) while having more  
advantages than farm households in terms of  
resources, technology, and control over their own  
meat value chain due to integrated activities  
within the organizations. Small producers, on the  
other hand, supplied more than 80% of the total  
pork production in Vietnam (Nguyen – Viet  
Hung et al., 2019), with a total number of  
approximately 2.5 million pig population from  
smallholders with less than 10 pigs (GSO, 2020).  
Most smallholder pig farms in Vietnam operated  
independently (Nga et al., 2014). The studies of  
Nga et al. (2017) and Nguyen Thi Thuy et al.  
(2020) showed that there were almost no official  
contracts between producers to the downstream  
actors in the chains. Even though smallholders  
played an important role in agricultural value  
chains (Poole, 2017), they were less of an  
advantage in participating in more stable and  
higher value chain due to a lack of agreed  
Methodology  
Secondary data on swine production, pork  
meat market, and ASF situation in Vietnam and  
Chuong My district, as well as various relevant  
reports were collected from the General Statistics  
Office (GSO) and the Ministry of Agriculture  
and Rural Development (MARD). Primary data  
were collected through survey among 97 swine  
producers in 8 communes, covering 3 sub-  
regions in Chuong My district (Day River Bank  
region, Semi-mountainous region, and Delta  
region). The sample size was determined using  
Slovin’s formula (Guilford & Frucher, 1973)  
with a margin error of 10%, given the total  
number of swine producers in Chuong My at the  
time of survey recorded at 3,411 and allocated  
proportionally to each commune. Swine  
producers were randomly selected from the list  
provided by the commune veterinary staff and  
were replaced if the farm had stopped rearing  
pigs (after AFS) or/and were not willing to be  
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Nguyen Thi Duong Nga et al. (2021)  
standards (Swinnen et al., 2013), as well as the  
ability to provide a regular and consistent supply  
of the required volume.  
amounting to about 3.0-3.6 million VND (Thu  
Ha, 2020). Higher production cost-plus and the  
supply shortage pushed up the pork prices;  
hence, live pig market price peaked at 100,000  
VND kg-1 in May 2020 or doubled the value in  
May 2019 (Figure 1).  
MARD confirmed the country’s first ASF  
outbreak on February 19, 2019. All 63 provinces  
of the country reported outbreaks that influenced  
the culling of about 6 million pigs in March 2020.  
According to the latest report of MARD in July  
2020 (MARD, 2020), ASF was basically under  
control with about 99% of the communes  
confirming no outbreak. There were only 188  
communes in 18 provinces affected by ASF  
(MARD, 2020). Swine production from both  
farm households and companies started to  
recover, but complete recovery of production  
only happened in companies and large farms.  
However, the resurgence of ASF in several  
provinces had raised the issue of production risks  
for farmers. Pig population was estimated to have  
decreased by 7.5% in June 2020, as compared to  
the same period in 2019. The Livestock  
Production Department (LDP, 2020) reported the  
number of sows in April 2020 at 2.86 million,  
significantly falling behind the average of 4  
million during 2017-2018 and creating a large  
shortage supply of piglets. This situation,  
coupled with the rising demand for production  
restocking, pushed the price of piglets as high as  
three to four times of the pre-ASF level,  
Government responses  
In production, the Vietnam Government  
took various measures to help the industry  
recover. The government encouraged research  
institutes and universities to develop a vaccine  
against ASF and called for relevant line  
ministries and local governments to take  
respective actions. The National Steering  
Committee on ASF prevention and control was  
formed in March 2019. This committee initiated  
the issuance of guidelines on the implementation  
of ASF prevention measures as well as guidance  
on the restocking of pig heard to all stakeholders  
and producers. Among these guidelines were  
Resolution No. 42/NQ-CP that proposed the  
urgent solutions for the prevention and control of  
ASF and the Decision No. 793/QD-TTg that  
discussed the specific mechanisms and policies  
to support funding for disease prevention,  
particularly  
providing  
compensation  
to  
producers who had to depopulate pigs due to  
ASF. For example, an amount of 25,000 VND  
kg-1 (equivalent to USD 1.09 kg-1) of live  
Figure 1. Trend in live pig prices in Vietnam from 2013 to 2020  
Source: GSO (2020)  
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Swine production and challenges in Vietnam after African swine fever: A case study in peri-urban Hanoi, Vietnam  
fattening pig and/or 30,000 VND/kg (USD 1.30  
kg-1) of live piglet was proposed. The banks also  
implemented measures of charged-off debts or  
rescheduled debt payments from producers who  
were heavily affected by ASF. Other measures to  
prevent smuggling and illegal transportation of  
animals and animal products, especially pigs and  
pork products, into Vietnam were also instituted  
(Official Letter No. 10/BCDTLCP). MARD also  
supported private companies to import more than  
5,000 great-grandparent and grandparent pigs in  
2019 and 10,000 great-grandparent and  
grandparent pigs in 2020 to ensure wean supplies  
in 2021-2024 (MARD, 2020). In July 2020, the  
Government approved the national plan on ASF  
prevention for the period 2020-2025, focusing on  
over 70 thousand tons, almost tripled the volume  
during the same period in 2019 (MARD, 2020).  
About 97,300 live pigs were also imported to  
Vietnam from June to August 2020 for  
slaughtering and processing. The recovery of  
domestic production (even at a slow pace) with a  
large volume of imported pork had an immediate  
impact on the pork market, with the price of live  
hog falling under 80,000 VND kg-1 (USD 3.48  
kg-1).  
Pig production in Chuong My after ASF  
Chuong My was, reportedly, one of the  
leading livestock producers among the districts  
of Hanoi, especially in pigs and poultry. Pigs  
were reared by (independent) farm households  
and contract farms and private companies. In  
2017, Chuong My had 8,887 pig farm  
households, keeping about 188 thousand pig  
heads (Figure 2). There were more than 80 farms  
and private companies engaged in swine  
production in the district, with farms as contract  
producers of the C.P. Group. Yet, contract farms  
and companies produced about 38% of the total  
live pigs of the district in 2017.  
early detection,  
warning,  
and  
timely  
implementation of measures to prevent ASF,  
including bio-security and disease safety  
practices and other good practices along the pork  
value chain.  
The government has encouraged companies  
to import both live pigs from Thailand and pork  
meat from other countries to meet domestic  
demand and stabilize live pig prices. According  
to statistics from the Department of Animal  
Health (MARD, 2020), the total volume of  
imported pork in 2019 surged to about 67  
thousand tons, an increase of about 63% from  
2018. During the first six months of 2020, the  
total volume of imported pork was recorded to be  
The first ASF case in Chuong My district  
was detected in March 2019 and then ASF  
quickly spread to 32 communes/towns of the  
district. The total pig population had decreased  
steadily from nearly 415 thousand heads in 2018  
to 242 thousand heads in 2019.  
Figure 2. Total number of pig farm households and pig population in Chuong My district, 2017-2019  
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Low hog prices in 2017 had discouraged  
farmers to raise pigs. Additionally, the ASF  
outbreak caused losses for 2,846 farm  
households (Chuong My People Committee,  
2020), accounting for nearly 40% of the total  
farm households. The total number of culled pigs  
was recorded at 42,113, weighted at about 3,000  
tons, equivalent to about 8% of the total live  
weight pig produced in 2018 in Vietnam.  
to more than 50% of the total household income.  
This proportion was higher on a larger scale  
(Table 1).  
Pig disease management at farm households  
The farm households strictly applied  
vaccines for common diseases in pigs, such as  
foot and mouth disease (FMD) and pasteurellosis  
(more than 80% of respondents). Among the  
surveyed farmers, less than one-fourth were  
affected by ASF and experienced pig mortality  
due to ASF. Interestingly, medium-scale farmers  
seemed to better implement disease prevention  
management with a lower ASF infection pig  
mortality (Table 2). Despite many neighboring  
pig farms with AFS cases around, there were  
farm households that were free from ASF and  
continued to gain profit in the time of high price.  
General information on farm households  
Men shared more than 85% of main labor in  
pig production by farm households (Table 1).  
More men were employed in larger-scale pig  
production because the work demanded more  
physically strenuous work. This was also  
highlighted by Hung (2011), Thinh et al. (2018),  
and Ninh et al. (2019). Higher education of men  
labor plus more advanced use of pig breeds were  
also documented on a larger scale as shown in  
Table 1 with more than 50% of them using  
imported genetics. Pig production was quite  
important in households with about two-thirds of  
respondents saying that the activity contributed  
Households that were producing pigs  
benefited from high market prices after ASF  
since they could sell pigs at a price higher than  
94,000 VND kg-1 (USD 4.09 kg-1) at the time of  
the survey. This was much higher than before  
ASF with live pig priced at 50,000 VND kg-1  
Table 1. General information of farm households in 2020  
Small  
Medium  
(n = 35)  
Large  
Indicator  
All  
F-Test  
(n = 41)  
(n = 21)  
-
1. % of households with main male labor  
2. Age of the interviewee  
75.61  
48.80  
91.43  
50.49  
100.00  
51.62  
86.60  
50.02  
0.819ns  
3. Education of the interviewee (% hh)  
- No schooling  
2.44  
53.66  
43.90  
1.39  
0.00  
62.85  
37.14  
1.51  
0.00  
23.81  
76.19  
1.95  
1.03  
50.52  
48.45  
1.56  
-
-
- Primary and Secondary education  
- High school  
-
5.631***  
4. Labor in pig production (persons)  
5. Contribution of pig production to the total household income (%)  
- Below 50%  
63.64  
36.36  
14.15  
120.63  
27.18  
72.83  
31.46  
172.43  
9.68  
90.32  
79.33  
619.52  
35.95  
64.05  
34.5  
-
-
- Above 50%  
6.Number of pigs in the current liter (heads)  
7. Pig barn area (m2)  
63.4***  
16.93***  
247.3  
8. Breeds (% hh applying)  
- Imported genetics  
-
-
-
2.44  
95.12  
2.44  
5.71  
94.29  
0.00  
52.38  
47.62  
0.00  
14.43  
84.54  
1.03  
- Cross bred  
- Indigenous  
Note:***: Significant at 1%; ns is non-significant.  
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Swine production and challenges in Vietnam after African swine fever: A case study in peri-urban Hanoi, Vietnam  
Table 2. African swine fever at pig farm households in 2020  
Small  
Medium  
(n = 35)  
Large  
Indicator  
All  
(n = 41)  
(n = 21)  
1. Households with infected cases  
- % hh affected by ASF  
24.39  
24.39  
14.29  
28.57  
33.33  
42.86  
22.68  
29.90  
- % hh affected by other diseases  
2. Households with pig mortality  
- % hh with pig mortality due to ASF  
- % hh with pig mortality due to other disease  
3. Number of pigs dead  
24.39  
12.20  
14.29  
5.71  
33.33  
23.81  
22.68  
12.37  
- Number of dead pigs due to ASF per hh  
- Pigs dead due to ASF as % of hh’s pig population in a year  
6.56  
5.09  
7.03  
27.43  
17.29  
10.55  
13.34  
19.08  
(USD 2.17 kg-1) in January-February 2019. With  
a total cost estimated at 5.8 million VND,  
farmers could gain 3.6 million VND per 100 kg  
(USD 156.52 per 100 kg) pig live weight. For  
farm households who could keep pigs and were  
not affected by ASF (Table 3), a significant  
amount of profit was realized. A higher cost  
efficiency with a lower feed cost and ratio of  
income/total cost of 0.71 was attained at medium  
production scale. The reasons behinds that were  
(i) medium scale was manageable by family  
labors, who also did several other farming works;  
and (ii) at this production scale, farmers could  
still mix feeds by themselves, i.e., concentrated  
feed with rice/corn bran, which could help to  
reduce cost. Meanwhile, in large scale  
production, farmers mostly used pellet feed  
because of a lack of labor. However, overall  
economic performance was not significantly  
different among production scales.  
sourcing them from other reputable farmers who  
guaranteed the origin of piglets. During the ASF  
outbreak, farmers produced the piglets to  
minimize risks, save cost, and ensure quality  
(Table 4). However, the sows were mainly kept  
for their own household production. Hence, the  
quality of sows in many farm households  
deteriorated over time, affecting the productivity  
of swine production in the long term. In the  
coming years, sow quality should be improved  
through upgrading of the quality of  
grandparents and great grant parents. More  
than 50% of farm households reported that they  
either could not buy piglets or bought poor  
quality piglets (Table 4).  
High cost of piglets. Due to the major loss  
of sows during the ASF outbreak in the country  
as indicated earlier, farmers in Chuong My  
district also faced difficulties in buying piglets to  
recover their production. About 26% of farmers  
reported that they could not buy piglets. If they  
could buy, 59% of respondents claimed that the  
price was very high. Most pig farmers produced  
piglets by themselves to ensure lower cost which  
was estimated at 2.1 million VND per piglet  
(USD 91.30) (Table 3) but this limited their  
capacity to expand their production. The  
prevailing average market price of a piglet (7-10  
Challenges in swine production recovery  
Quality and price of piglets  
Quality of piglets. At the time of the survey,  
large farms have tended to source piglets from  
breeding companies/centers or breeding farms  
(Table 4). The small farm households preferred  
either producing piglets by themselves or  
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Table 3. Issues in sourcing piglets by farmers (% hh)  
Small  
Medium  
(n = 35)  
Large  
All  
Indicator  
(n = 41)  
(n = 21)  
1. Sources of piglets  
- Breeding companies  
- Breeding centers  
- Breeding farms  
7.32  
14.63  
31.71  
53.66  
0.00  
11.43  
17.14  
42.86  
40.00  
8.57  
66.67  
28.57  
23.81  
33.33  
4.76  
21.65  
18.56  
34.02  
44.33  
4.12  
- Other farmers  
- Produced by themselves  
- Others  
0.00  
5.71  
0.00  
2.06  
2. Difficulties in obtaining piglets  
- Could not buy  
19.51  
21.95  
51.22  
2.44  
40.00  
42.86  
74.29  
2.86  
14.29  
9.52  
25.77  
26.80  
58.76  
2.06  
- Poor quality  
- High prices  
47.62  
0.00  
- Others  
3. The most trustful source of breeds  
- Breeding companies  
- Breeding centers  
- Breeding farms  
21.95  
2.44  
14.29  
0.00  
47.62  
0.00  
24.74  
1.03  
14.63  
2.44  
14.29  
0.00  
23.81  
0.00  
16.49  
1.03  
- Other farmers  
- Produced by themselves  
- Others  
58.54  
0.00  
68.57  
2.86  
28.57  
0.00  
55.67  
1.03  
kg) was 3.2 million VND (USD 139.13) at the  
time of the survey. The price was about four  
times higher than before the ASF outbreak  
(according to the interviews with farmers).  
Expensive piglets contributed to much higher  
production costs and accounted for about one-  
third of the total production cost (Table 3). With  
limited financial capacity (i.e., more than half of  
the respondents reporting lack of capital – Table  
7), the smallholders faced difficulties in  
restocking swine herd.  
decreased by 30% as compared to its peak in May  
2020. Retail pork prices at traditional markets in  
Hanoi also decreased by 20-30%. Meanwhile,  
Big C, a major supermarket chain in Vietnam,  
imported pork priced 20-40% cheaper than  
domestic pork (Anh Tu, 2020). Like Chinese  
consumers (Standaert, 2020), Vietnamese  
traditionally preferred freshly slaughtered ‘warm  
meat’ (Nga et al., 2015). This demand could  
likely play as a natural barrier over imported  
meat products (ACIAR, 2011). However,  
changes in consumption trends have been  
observed with an increasing quantity of imported  
meat (chilled, frozen). According to MARD  
(2020), the total volume of imported pork  
increased from 9,022 tons in 2015 to more than  
67,000 tons in 2019, and continued to increase in  
2020. Changing behavior in meat consumption  
could probably be amplified by Covid-19 in  
Vietnam with the first case being confirmed in  
March 2020. This greatly affected the economy  
when 56,000 companies left the market. The  
Consumer preferences and Covid-19  
According to GSO, pork prices in Vietnam  
increased by 68.2% in the first six months of  
2020 compared with the same period in 2019 (To  
Ha, 2020). However, with the large volume of  
pork and live pigs imported, the domestic pork  
market became more balanced since June 2020.  
Live pig price in early September 2020 was  
recorded at about 74,000 VND to 78,000 VND  
kg-1 (USD 3.22-3.39 kg-1) in the North. It  
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Swine production and challenges in Vietnam after African swine fever: A case study in peri-urban Hanoi, Vietnam  
International Labour Organization’s initial  
prediction (ILO, 2020) was that Covid-19 could  
affect the livelihood of 4.6 to 10.3 million  
workers by mid-2020, whether through a decline  
in working hours, in wages or, ultimately, loss of  
jobs. Reduction in income could be a reason for  
consumers, particularly the low-income  
population, to switch to less expensive foods  
such as imported pork.  
11.2% under CPTPP, then decline to zero over  
the next seven years. Frozen pork meat would be  
duty-free after seven years from the effective  
date of EVFTA (the maximum tax reduction for  
pork in the agreement was 40%) (EU  
Commissioner for Trade, 2020). Therefore,  
imported pork prices would decrease relatively  
as compared to domestic products. This would  
raise an issue on how domestic pork production  
could be cost-competitive in the upcoming years.  
Competitiveness and threats from import  
products  
Farmers sold pigs mainly to collectors,  
especially larger farmers, due to the limited local  
market demand (Table 5). With the absence of  
official contracts with buyers, farmers faced  
difficulties in selling pigs, especially when  
collectors set lower prices. This happened  
generally in the smallholder pork value chain in  
Vietnam (Nga et al., 2014).  
According to the Ministry of Industry and  
Trade, the average price of imported pork at the  
Vietnam gate was USD 2.55 kg-1, equivalent to  
60,000 VND kg-1 in April 2020 (Nguyen Hanh,  
2020). Imported pork was characterized by clear  
origin and product information that complied  
with European criteria. Meanwhile, domestic  
production cost was calculated at approximately  
5.8 million VND per 100 kg (USD 252.17 per  
100 kg) of live pigs at the farm gate (Table 3),  
equivalent to about 68,000 VND kg-1 (USD 2.96  
kg-1) or carcass. Live pigs were collected and  
slaughtered (Table 5). Most retailers at the wet  
market had no product information (Nga et al.,  
2015) or lacked the adequate facility to ensure  
hygiene and safety of the food (World Bank,  
2017). Furthermore, main exporters of pork to  
Vietnam were Canada and EU countries such as  
Denmark, the Netherlands, Germany, and Spain.  
With the CT-TPP and EVFTA, imported meat  
(pork) would be cheaper. For example, the duty  
rate for pork would initially drop from 15% to  
Disease risks, insufficient resources, and  
environmental issues  
Swine-related diseases such as diarrhea,  
pneumonia, fever, blue ear, or head edema could  
cause a reduction of up to 16.6% of the total  
income from pig production of smallholders  
annually (Nga et al., 2017). In Chuong My  
district, farmers vaccinated pigs; hence, pig  
mortality due to the mentioned disease was quite  
low, estimated at less than two dead pigs per  
household (surveyed data). Pig mortality was  
100% with ASF (Table 2), but there was no  
effective and safe vaccine for ASF in the world  
to date. This is also a major challenge for many  
Table 4. Issues in selling pigs (as % of total)  
Small  
Medium  
(n = 35)  
Large  
Indicator  
All  
(n = 41)  
(n = 21)  
1. Main buyers  
- Collectors  
68.29  
31.71  
36.59  
80.00  
20.00  
31.43  
90.48  
9.52  
77.32  
22.68  
36.08  
- Local slaughterhouses  
2. Farmers selling pigs to collectors  
3. Difficulties in selling pigs  
- Lower prices set by collectors  
- Unstable prices  
42.86  
46.67  
33.33  
13.33  
54.55  
45.45  
0
44.44  
22.22  
33.33  
48.57  
34.29  
14.29  
- Others  
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countries in controlling ASF such as China  
(Wang et al., 2018). Huldah et al. (2020)  
confirmed that while the process of developing  
effective and safe African swine fever vaccines  
evolved, the mechanisms of virus entry,  
replication within the host cells, and other  
methods were gradually identified. In Vietnam,  
there were efforts to develop a vaccine for ASF  
but there was no available vaccine for ASF as of  
this reporting. According to MARD (2020), the  
number of provinces and communes in Vietnam  
affected by ASF decreased. However, the end of  
the ASF outbreak can not be predicted, although  
the rate of reported cases appeared to be slowing  
recently. Due to the lack of treatment and a safe  
vaccine, it had been extremely difficult to control  
this devastating disease. The disease risk was  
amplified under inadequate facilities such as pig  
shelter conditions. More than 60% of pig  
producers reported that either their pig shelters  
were not constructed following technical  
standards or producers were not aware of such  
standards (Table 6). The fact that farmers mostly  
sold pigs to collectors/traders who might come  
from other places also is a factor for increasing  
the spread of ASF, hence inter-district and inter-  
province management for ASF is important,  
which is quite similar to the management of ASF  
among Asian countries (Le et al., 2019).  
Lack of capital was perceived as the main  
issue in restocking pig production of farm  
households (Table 7) under the context of high  
production cost (breeding) as well as damages  
and losses due to ASF, particularly among other  
producers who had stopped raising pigs at the  
time of survey. Labor was not an issue for small-  
scale farmers but was considered a problem for  
larger farmers who required quality labor for  
managing the herds. Observations from larger  
farms revealed that most of them were farrow –  
to – finish producers, with a relatively large  
number of sows. During and after ASF, labor  
requirements were much higher, i.e., better skills  
in taking care of the herds (especially disease  
management and biosecurity conditions), and  
following strict rules such as more frequent  
disinfection pig shelters, bathing, wearing  
Table 5. Types and locations of pig shelters  
Small  
Medium  
(n = 35)  
Large  
Indicator  
1. Locations of pig shelter  
All  
(n = 41)  
(n = 21)  
- In residential area  
90.24  
9.76  
48.57  
51.43  
38.10  
61.90  
63.92  
36.08  
- Outside residential area  
2. Criteria of hh’s pig shelters  
- Did not comply with technical requirements  
- Complied with technical requirements  
- Did not know  
53.66  
19.51  
26.83  
51.43  
40.00  
8.57  
38.10  
61.90  
0.00  
49.48  
36.08  
14.43  
Table 6. Difficulties in swine production (% of respondents)  
Small  
Medium  
Large  
Issues  
All  
(n = 41)  
(n = 35)  
22.86  
42.86  
5.71  
(n = 21)  
33.33  
66.67  
14.29  
47.62  
9.52  
Lack of land  
43.90  
63.41  
0.00  
34.02  
56.70  
5.15  
Lack of capital  
Lack of labor  
Insufficient techniques  
Others  
58.54  
2.44  
60.00  
8.57  
56.70  
6.19  
973  
Swine production and challenges in Vietnam after African swine fever: A case study in peri-urban Hanoi, Vietnam  
protective clothes, and not allowed to go out of  
the farm during a cycle. This made the quality  
labor sources to be in scarcity, as one labor could  
not work for several farms as before ASF. Lack  
of quality labor, coupled with a higher number of  
pigs, could be a reason for a higher percentage of  
large-scale farmers affected by ASF. Aside from  
farmer’s capacity, the limited number of  
veterinary staff working with numerous small  
farmers also challenged animal disease control,  
including ASF (according to the interview with  
staff from DBVLP), this was also the case in  
Russia, as mentioned by Wang et al. (2018).  
and feed/veterinary companies offered frequent  
trainings on pig rearing. More than 80% of the  
respondents attended training on disease  
management (Table 8). More than 60% of pig  
producers treated sick animals by themselves,  
but approximately only one-fourth of them felt  
confident in doing this. Large farmers seemed to  
be more confident than others in terms of their  
capacity to treat sick animals (Table 8), most of  
them hired technically qualified veterinarians for  
farm management. While swill-feeding might  
increase the risk of ASF as in China (Wang et al.,  
2018), this issue seemed not critical in Chuong My  
where most farmers used the manufactured feed.  
Apart from capital and labor constraints,  
more than 50% of pig producers reported that  
they did not have an adequate understanding of  
Two-thirds of pig shelters were located in  
residential areas. This was common among  
small-scale farmers (Table 6) but likely to relate  
with the ASF outbreak, with other animals living  
technical know-how in rearing pigs (Table 7).  
Staff from the DBVLP revealed that the DBVLP  
Table 7. Training and self- evaluation of treating sick animals (% of respondents)  
Small  
Medium  
(n = 35)  
Large  
Indicators  
All  
(n = 41)  
(n = 21)  
1. Farm household heads attended training on  
73.17  
43.33  
93.33  
13.33  
94.26  
63.64  
90.91  
9.09  
85.71  
61.11  
100.00  
0.00  
83.51  
55.56  
93.83  
8.64  
- Feeding  
- Disease management  
- Others  
2. Self-evaluation of capacity to treat sick animals  
- Good  
- Fair  
14.63  
65.85  
19.51  
17.14  
65.71  
17.14  
61.90  
33.33  
4.76  
25.77  
58.76  
15.46  
- Weak  
Table 8. Treatment of waste from pig production  
Small  
Medium  
(n = 35)  
Large  
Waste and methods of treatment  
All  
(n = 41)  
(n = 21)  
Pig manure  
- Biogas  
85.37  
9.76  
9.76  
0
82.86  
14.29  
14.29  
8.58  
100  
0
87.63  
9.28  
- Compost  
- Feeding fish  
- Others  
14.29  
9.52  
12.37  
5.15  
Waste water  
- Biogas  
78.05  
24.39  
4.88  
77.14  
11.43  
20  
90.48  
4.76  
80.41  
15.46  
13.4  
- Dispose to drains  
- Dispose to fish ponds  
19.05  
Vietnam Journal of Agricultural Sciences  
974  
Nguyen Thi Duong Nga et al. (2021)  
in the same area (Dione et al., 2015). Backyard  
swine raising was one of the pressing issues in  
the rural environment, despite that most of the  
communes in the district had set areas isolated  
from the residential area for livestock  
production. Compost of manure (Table 9) within  
residential areas (among 10% of pig households)  
and direct disposal of waste water from pig  
production to common drainage systems could  
cause environmental pollution and would pose  
more difficulties in animal disease management  
for farm households. There was only one farm  
household that applied a manure pressing  
machine and claimed that it was quite efficient in  
addressing the problem of odor within the area.  
To speed up the recovery of the swine  
industry in the future, the government and line  
agencies should focus on improving sow quality  
through breeding programs to improve the  
quality of grandparents and great grandparents in  
breeding units. Cost competitiveness in pig  
production requires lower production and  
marketing costs through reduced feed cost as  
well as breeding cost and building efficient  
marketing channels with strong linkages along  
the value chain. The promotion of good  
agricultural practices in pig production should be  
intensified, such as VietGAHP or biosecurity, or  
establishing the disease-free livestock production  
zone, and discouraging farmers to expand  
production in residential areas. Training  
programs to improve farmer’s production  
capacity and rural laborers in swine production  
must be offered free or at minimal cost, where  
rural occupational training programs could also  
be targeted. This also should be aligned with the  
National plan on ASF prevention. Government  
line ministries with partner banks or lending  
institutions may revisit their credit policies and  
offer easy and practical solutions to ease credit  
availability to small farm holders. Market  
information systems should be efficient to serve  
numerous small farmers to avoid excess supply  
(as experienced in the past). Pig waste  
management, as well as environmental  
management in the rural areas, should be  
strengthened.  
Conclusions and Recommendations  
The swine industry continues to be a key  
player in livestock production of Vietnam in  
creating livelihoods as well as pork dominance in  
the consumers’ meat basket. The ASF outbreak  
has caused devastating losses in the country’s  
production and food market. MARD and line  
agencies have taken various measures to control  
the epidemic. The government has also  
encouraged meat imports to address the shortfall  
in the pork supply in the domestic market.  
Despite the fact that the rate of reported ASF  
cases seemed to decline, the end of the ASF  
outbreak could not be predicted. Recovery of the  
swine industry is urgently called for, which  
requires a lot of effort to prevent and control ASF  
and address market-related issues. This study  
took the case in Chuong My district, Hanoi and  
show that ASF had a significantly adverse impact  
on the pig herd of the district, and main  
challenges in swine production recovery after  
ASF were identified, such as issues of quantity  
and quality of piglets and changing consumer  
preferences which could have been amplified by  
Covid-19 (ongoing), relatively cost disadvantage  
of domestic production under the context of new  
free trade agreements (such as EVFTA and CT-  
TPP), disease risk (ASF under the condition of  
no effective and safe vaccine), and insufficient  
resources of farms to restock, and environmental  
issues caused by pig production in rural areas.  
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