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Animal Behavior and Welfare
Asian-Australasian Journal of Animal Sciences 2011;24(6): 867-874.
DOI: https://doi.org/10.5713/ajas.2011.10289    Published online April 28, 2011.
Smallholder Pig Rearing Systems in Northern Lao PDR
P. Phengsavanh, B. Ogle, W. Stür, B. E. Frankow-Lindberg, J. E. Lindberg
This paper describes the results of a survey aimed at characterizing smallholder pig production systems in northern Lao PDR. A total of 341 households from five Northern provinces were interviewed in the survey. Village meetings and individual interviews, using a semi-structured questionnaire, were used to collect information. Three main pig rearing systems, free-scavenging, semi-scavenging and confinement (enclosures and pens), were found in the survey areas. These systems were practiced differently by smallholders depending on the level of intensity of crop production, ethnicity and purpose of keeping pigs. The confinement system was mainly practiced by Lao-Tai and Tibeto-Burman groups, who mainly bought piglets and fattened these pigs for sale. In contrast, the Mon-Khmer and Hmong-Mien reared pigs in free-scavenging and semi-scavenging systems, and usually keep sows for piglet production. The main factors that affected the changes in rearing systems were found to be level of intensity of crop production, local regulations and outbreaks of disease. The main constraints found in smallholder systems were outbreaks of disease, high mortality of piglets and the slow growth rate of fattening pigs.
Keywords: Rearing System; Ethnic Group; Disease Outbreak; Intensity of Crop Production
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