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首页> 外文期刊>Tropical Animal Health and Production >Effect of diet and type of pregnancy on plasma metabolic response in sheep and its further effect on lamb performance
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Effect of diet and type of pregnancy on plasma metabolic response in sheep and its further effect on lamb performance

机译：饮食与妊娠妊娠对绵羊血浆代谢反应的影响及其对羔羊性能的进一步影响

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摘要

This trial evaluated the individual and interactional effects of diet and type of pregnancy (twin or single) on plasma metabolic response in ewes and their lambs from late pre-partum to late post-partum. Thus, a flock of 18 Ile de France breed sheep, consisting of 8 twin-bearing and 10 single-bearing ewes, were allocated to one of two groups according to their diet, either based on ad libitum naturalized pasture hay (NPH) or red clover hay (RCH), from d 45 pre-partum to d 60 post-partum. Plasma samples were collected at different times to determine albumin, cholesterol, total protein and urea, plus glucose and beta-hydroxybutyrate (BHB) concentration in ewes. The data was processed using the lme4 package for R, and SPSS Statistics 23.0 for Windows. The results showed that both diet and type of pregnancy influenced the metabolic profile in ewes, showing an inverse relationship between single- and twin-bearing ewes regarding glucose and especially BHB proportions from pre-partum to birth. During post-partum, higher urea concentrations were observed in twin- and single-bearing ewes fed RCH in contrast to those fed NPH, as a result of the higher-quality forage offered to ewes. Regarding lambs, the diet and type of pregnancy influenced the total protein and urea levels, where an inverse relationship at birth and early post-partum between albumin and cholesterol vs. total protein and urea was detected, reflecting a trend (P value between 0.06 and 0.07) to a better performance by groups of single lambs, especially those from single-bearing ewes fed RCH. Finally, under the conditions of this study, the maternal diet and type of pregnancy influenced the plasma metabolic response in ewes and their lambs, affecting the lamb performance especially at birth.
机译：该试验评估了饮食和妊娠型（双胞胎或单曲）对母羊和羊羔的血浆代谢反应从晚期前后患者的血浆代谢反应的个体和互动效应。因此，由8个双轴承和10个轴承母线组成的18个Ile De France品种绵羊，根据饮食分配给两组中的一个，无论是基于AD Libitum归化牧场干草（NPH）还是红色三叶草干草（RCH），从D 45预先备peftum partum partum。在不同时间收集等离子体样品，以确定白蛋白，胆固醇，总蛋白质和尿素，加上eWE中的葡萄糖和β-羟基丁酸酯（BHB）浓度。使用用于R的LME4包，以及用于Windows的SPSS统计信息，对数据进行处理。结果表明，饮食和妊娠类型都影响了母羊中的代谢曲线，显示了单颗母线与葡萄糖的单身和双母线之间的反比关系，特别是BHB比例从Partum出生。在Partum期间，与喂养eWP的喂养NPH相反，在双轴承母线喂养RCH中观察到较高的尿素浓度，因此由于为母羊提供的更高质量的饲料而导致。关于羔羊，妊娠的饮食和型型受蛋白质和尿素水平影响，其中在白蛋白和胆固醇之间出生和早期患者的逆关系进行了检测到，反映了趋势（0.06之间的P值。 0.07）通过单一羊羔组更好的性能，特别是来自喂养RCH的单轴承母线的组。最后，在本研究的条件下，母亲饮食和妊娠类型影响了母羊及其羊羔的血浆代谢反应，影响了尤其是出生时的羊羔表现。

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