BEHAN J R,WATSON P F.The effect of managed boar contact in the post-weaning period on the subsequent fertility and fecundity of sows[J].Animal Reproduce Science,2005,88(3/4):319-324.
[3]
CARTER S D,HILL G M,MAHAN D C,et al.Effects of dietary valine concentration on lactational performance of sows nursing large litters[J].Journal of Animal Science,2000,78(10):2879-2884.
[4]
MCPHERSON R L,JI F,WU G,et al.Growth and compositional changes of fetal tissues in pigs[J].Journal of Animal Science,2004,82:2534-2540.
[5]
NOBLET J,DOURMAD J Y,ETIENNE M.Energy utilization in pregnant and lactating sows:modeling of energy requirements[J].Journal of Animal Science,1990,68(2):562-572.
[6]
EISSEN J J,KANIS E,KEMP B.Sow factors affecting voluntary feed intake during lactation[J].Livestock Production Science,2000,64(2):147-165.
[7]
MALMLOF K,ASKKBRANT S.A note on the potential of systematic plasma urea measurements as a basis for determining optimal supplementation levels of lysine and threonine in pig diets[J].Swedish Journal of Agriculture Research,1988,18(4):191-193.
[8]
ROSEBROUGH R W,STEELE N C,MCMURTRY J P.Effect of protein level and supplemental lysine on growth and urea cycle enzyme activity in the pig[J].Growth,1983,47(4):348-360.
BOYD R D,KENSINGER R S.Metabolic precursors for milk synthesis[M]//VERSTEGEN M W,MOUGHAN P J,SCHRAMA H W,et al.The lactating sow.Netherlands:Wageningen Press,1998:71-95.
[14]
TOKACH M D,PETTIGREW J E,CROOKER B A,et al.Quantitative influence of lysine and energy intake on yield of milk components in the primiparous sow[J].Journal of Animal Science,1992,70(6):1864-1872.
[15]
RICHERT B T,TOKACH M D,GOODBAND R D,et al.Valine requirement of the high-producing lactating sow[J].Journal of Animal Science,1996,74(6):1307-1313.
[16]
KIM S W,BAKER D H,EASTER R A.Dynamic ideal protein and limiting amino acids for lactating sows:the impact of amino acid mobilization[J].Journal of Animal Science,2001,79:2356-2366.
RICHERT B T,TOKACH M D,GOODBAND R D,et al.The effect of dietary lysine and valine fed during lactation on sow and litter performance[J].Journal of Animal Science,1997,75(7):1853-1860.
[19]
RICHERT B T,GOODBAND R D,TOKACH M D,et al.Increasing valine,isoleucine,and total brandched-chain amino acids for lactating sows[J].Journal of Animal Science,1997,75(8):2117-2128.
[20]
DOURMAD J Y,ETIENNE M,VALANCOGNE A,et al.InraPorc:a model and decision support tool for the nutrition of sows[J].Animal Feed Science and Technology,2008,143:372-386.
THEIL P K,FERNáNDEZ J A,DANIELSEN V.Valine requirement for maximal growth rate in weaned pigs[J].Livestock Production Science,2004,88(1/2):99-106.
[23]
MOSER S A,TOKACH M D,DRITZ S S,et al.The effects of branched-chain amino acids on sow and litter performance[J].Journal of Animal Science,2000,78(3):658-667.