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This study reviews the factors affecting reproductive efficiency in
PAC pigs and identifies the major constraints in traditional pig
production systems in relation to climatic environment, nutrition
and management practices in the hills of eastern Nepal.The majority
of the pigs in the hills of Nepal are reared below their LCT
throughout the year, causing estimated loss of 43%of the total feed
intake requirements by climatic penalty. If this feed loss could be
effectively utilised by improving housing conditions, the
productivity of pigs could be greatly improved. Improvement in
housing conditions seems to be the cheapest alternative for
improving efficiency of pig production in Nepalese situations.
Improvements in nutrition of rearing gilts and lactating sows
resulted in improvements of reproductive outputs in both station
and village experiments. Farmers in the hills of Nepal do not rear
boar and sows together due to lack of feed availability. Modified
suckling management in the late lactation followed by use of boar
urine as an alternative to boar mate resulted shorter weaning to
remating interval.
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