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Reproductive performance analysis of native pig smallholders in the hillside of northern Thailand

机译：泰国北部山坡上养猪小农户的繁殖性能分析

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摘要

We described the reproductive performance of native pigs raised by smallholders in a traditional way and used for ritual sacrifice in a Hmong village in the hills of northern Thailand. Field study was conducted between May 2005 and January 2007 (13 months in total). The pig reproductive performance in ten households during two years (January 2005 to December 2006) was as follows: The 15 farrowing samples in the households had an average litter size at birth of 7.1 and litter size at weaning of 6.0 (pre-weaning mortality 16%). A total of 107 piglets were born in the ten households during the two years, an average of 5.4 piglets per household per year. We were only able to collect data on farrowing intervals in three cases, two of eight months and one of 19 months. There was no concentrated farrowing period: of the 15 farrowings, there were seven months with one farrowing each (February, April, May, June, July, September, November), four with two farrowings (January, March, August, December), and one with none (October). This indicates that households have a variety of attitudes to pig reproduction, and that there is no seasonality in farrowing.
机译：我们描述了小农户以传统方式饲养的本地猪的繁殖性能，并将其用于泰国北部丘陵的苗族村落的祭祀。在2005年5月至2007年1月之间进行了实地研究（总共13个月）。在两年内（2005年1月至2006年12月），有10个家庭的猪的繁殖性能如下：15个分娩家庭的分娩时平均产仔数为7.1，断奶时产仔数为6.0（断奶前死亡率16）。 ％）。在这两年中，十户家庭共出生了107头小猪，平均每户每年5.4头小猪。我们仅能在三个月（八个月中的两个和十九个月中的一个）的情况下收集分娩间隔的数据。没有集中的分娩期：在15个分娩中，有七个月，每个分娩一次（2月，4月，5月，6月，7月，9月，11月），四个分两次分娩（1月，3月，8月，12月），一无（十月）。这表明家庭对生猪的态度多种多样，而且分娩没有季节性。

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