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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Valine Supplementation in a Reduced Protein Diet Regulates Growth Performance Partially through Modulation of Plasma Amino Acids Profile, Metabolic Responses, Endocrine, and Neural Factors in Piglets
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Valine Supplementation in a Reduced Protein Diet Regulates Growth Performance Partially through Modulation of Plasma Amino Acids Profile, Metabolic Responses, Endocrine, and Neural Factors in Piglets

机译:降低蛋白质饮食中的缬氨酸补充剂通过调节血浆氨基酸型,代谢反应,内分泌和仔猪中的神经因子来调节生长性能

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摘要

The objective of this study was to investigate whether valine (Val) supplementation in a reduced protein (RP) diet regulates growth performance associated with the changes in plasma amino acids (AAs) profile, metabolism, endocrine, and neural system in piglets. Piglets or piglets with a catheter in the precaval vein were randomly assigned to two treatments, including two RP diets with standardized ileal digestible (SID) Val:Lysine (Lys) ratio of 0.45 and 0.65, respectively. The results indicated that piglets in the higher Val:Lys ratio treatment had higher average daily feed intake (ADFI) (P 0.001), average daily gain (ADG) (P = 0.001), feed conversion ratio (FCR) (P = 0.004), lower plasma urea nitrogen (P = 0.032), expression of gastric cholecystokinin (CCK), and hypothalamic pro-opiomelanocortin (POMC). Plasma AAs profiles including postprandial plasma essential AAs (EAAs) profile and in serum, muscle, and liver involved in metabolism of AAs and fatty acids were significantly different between two treatments. In conclusion, Val influenced growth performance associated with metabolism of AAs and fatty acids and both endocrine and neural system in piglets.
机译:本研究的目的是探讨缬氨酸(VAL)补充剂是否在降脂蛋白质(RP)饮食中调节与仔猪中血浆氨基酸(AAS)型材,代谢,内分泌和神经系统的变化相关的生长性能。用导管中的仔猪或仔猪随机分配到两种处理中,包括两个RP饮食,其具有标准化的ILEAL消化(SID)VAL:赖氨酸(Lys)比例为0.45和0.65。结果表明,较高val:Lys比治疗中的仔猪平均每日进料摄入量较高(ADFI)(P <0.001),平均每日增益(ADG)(P = 0.001),饲料转化率(FCR)(P = 0.004),较低的血浆尿素氮(p = 0.032),胃胆囊蛋白(CCK)的表达,以及下丘脑Pro-Omiomelanocortin(POMC)。包括餐后血浆必需AAS(EAAS)型材和血清,肌肉和肝脏中参与AAS和脂肪酸代谢的血清,肌肉和肝脏的等离子体AAS型材在两种治疗之间显着差异。总之,VAL影响了与仔猪和脂肪酸代谢相关的生长性能以及仔猪中内分泌和神经系统。

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