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首页> 外文期刊>Journal of Animal Physiology and Animal Nutrition >Chlorella vulgaris microalgae and/or copper supplementation enhanced feed intake, nutrient digestibility, ruminal fermentation, blood metabolites and lactational performance of Boer goat
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Chlorella vulgaris microalgae and/or copper supplementation enhanced feed intake, nutrient digestibility, ruminal fermentation, blood metabolites and lactational performance of Boer goat

机译：小球藻vulgaris microalgae和/或铜补充剂增强的饲料摄入，营养消化，瘤胃发酵，血液代谢物和波尔山羊的泌乳性能

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The associative effects of Chlorella vulgaris microalgae and copper (Cu) supplementation on feed utilisation and lactational performance in goats were evaluated. Thirty-two lactating Boer goats (34.8 +/- 1.7 kg body weight) were used to evaluate the supplementation of C. vulgaris microalgae at 10 g/day (AL treatment), 9 mg of Cu/kg diet (CU treatment) or a mixture of both AL and CU treatments (ALCU treatment) on feed intake, nutrient digestibility, ruminal fermentation, blood metabolites and lactation performance of Boer goat milk yield and composition. Treatments did not affect feed intake; however, AL, ALCU and CU treatments increased (p < .001) nutrient digestibility. Treatment effect on ruminal pH, ammonia-N or propionate was marginal, but AL and ALCU treatments increased (p < .01) acetate, acetate/propionate ratio and total volatile fatty acids. Treatments increased (p < .001) serum glucose and Cu concentrations. Additionally, ALCU and AL treatments increased (p < .001) daily milk yield, energy corrected milk production, concentrations of ash, energy content, fat, lactose, solids not fat, total solids and milk (feed) efficiency. Conversely, the CU treatment decreased (p < .001) the concentration of all milk components, without affecting milk (feed) efficiency. Additionally, AL and ALCU treatments decreased (p < .05) the concentrations of saturated fatty acids by 2.4% and 4%, respectively, but increased (p < .05) the concentrations of total unsaturated fatty acids (UFAs) by 5.4% and 9.8%, respectively, mono-UFA by 5.2% and 9.8%, respectively, and conjugated linoleic acid concentrations by 9.3% and 7.4% respectively. In conclusion, supplementation of the diet of lactating Boer goats with C. vulgaris microalgae with or without copper enhanced nutrient digestibility, ruminal fermentation, milk production, milk efficiency and milk nutritive value. Copper supplementation had minimal effects; therefore, its use as a supplement in the presence of C. vulgaris microalgae to the diet of lactating Boer goats is recommended.
机译：评估小黄紫外微藻和铜（Cu）对山羊饲料利用和泌乳性能进行补充的缔合作用。三十二个哺乳动物山羊（34.8 +/- 1.7千克体重）用于评估10克/天（Al处理），9毫克Cu / kg饮食（Cu治疗）或a Al和Cu治疗（ALCU治疗）对饲料摄入量，营养消化，瘤胃发酵，血代谢物和Boer Goat牛奶产量和组成的血液代谢物和组合物的培养消化率，瘤胃发酵，泌乳性能。治疗没有影响进料摄入;然而，Al，Alcu和Cu治疗增加（p <.001）营养消化率。治疗效果对瘤胃pH，氨-N或丙酸盐是边缘的，但​​Al和Alcu治疗增加（p <.01）乙酸盐，乙酸盐/丙酸盐比和总挥发性脂肪酸。治疗增加（p <.001）血清葡萄糖和Cu浓度。此外，Alcu和Al治疗增加（p <.001）每日乳屈服，能量矫正乳制品，灰分浓度，能量含量，脂肪，乳糖，固体不脂肪，总固体和牛奶（饲料）效率。相反，Cu治疗降低（p <.001）所有乳成分的浓度，而不会影响牛奶（饲料）效率。此外，Al和Alcu治疗减少（p <.05）饱和脂肪酸的浓度分别将饱和脂肪酸的浓度分别为2.4％和4％，但增加（p <.05）总不饱和脂肪酸（UFAs）的浓度为5.4％和分别为9.8％，分别为5.2％和9.8％，分别缀合的亚油酸浓度分别为9.3％和7.4％。总之，补充哺乳动物波尔山羊的饮食，C.Vulgaris Microalgae有或没有铜的营养消化率，瘤胃发酵，牛奶生产，牛奶效率和牛奶营养价值。铜补充效果最小;因此，推荐使用作为补充剂的补充剂。寻常毒性微藻与哺乳动物山羊的饮食。

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