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Dietary supplementation with branchedchain amino acids enhances milk production by lactating sows and the growth of suckling piglets

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Journal of Animal Science and Biotechnology 2022年第6期13卷 1857-1870页

作者： Reza Rezaei Ana San Gabriel Guoyao Wu Department of Animal Science Texas A&M UniversityCollege StationTX 77843USA Ajinomoto Co. Inc1-15-1 KyobashiChuokuTokyo 104-8315Japan

Background:Under current dietary regimens,milk production by lactating sows is insufficient to sustain the maximal growth of their *** precursors of glutamate and glutamine as well as substrates and activators of protein synthesis,branched-chain amino acids(BCAAs)have great potential for enhancing milk production by ***:Thirty multiparous sows were assigned randomly into one of three groups:control(a corn-and soybean meal-based diet),the basal diet+1.535%BCAAs;and the basal diet+3.07%*** ratio(g/g)among the supplemental L-isoleucine,L-leucine and L-valine was 1.00:2.56:*** were made isonitrogenous by the addition of appropriate amounts of *** sows had free access to drinking water and their respective *** number of live-born piglets was standardized to 9 per sow at d 0 of lactation(the day of parturition).On d 3,15 and 29 of lactation,body weights and milk consumption of piglets were measured,and blood samples were obtained from sows and piglets 2 h and 1 h after feeding and nursing,***:Feed intake did not differ among the three groups of *** of asparagine,glutamate,glutamine,citrulline,arginine,proline,BCAAs,and many other amino acids were greater(Pgrowth and survival of their piglets.

关键词： Branched-chain amino acids Lactation Milk synthesis Milk yield neonatal growth Sow

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