Because of the PYS (Piglets/Sow/Year) standard of breeder pigs greenhouses in the country, Thailand is 24 samples per mother per year, while the present Europe is trying to do the numbers, 30 PCs per mother per year, yet the number of weaned pigs per child that will affect the unit production cost is low, so the check box.Free educational courses to choose varieties that can yield higher PYS, so this study has the objective to study the influence of litter and sequence variants of gilts per child newborn pigs. The study found that the influence of strain and stomach affects the number of newborn pigs ball by species have more pigs lage white varieties laenres. The more significant statistically (P < 0.01) and gilts local sequence 4 and 5 have a newborn pigs, unlike most local sequence 1, 2, 3, 6, 7 and 8 and the more significant statistically (P < 0.01) and the influence of strain and stomach weight of newborn pigs child no statistically different.
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