This study aims to determine the relationships between gender, age, level of education and work experience that affects production efficiency index of pig farms, including the number of children per mother weaned per annum, the rate among vaginal size, average weight, khrok weaned piglet per piglet and average weight khrok ya milk including education, satisfaction and factors that affect the intention is to work on a pig farm for more than 1 year by maintaining a person who worked on pig farms in size 150-8000 species of molds of 15 farms.
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