Effects of feeding untreated, pasteurized and acidified waste milk and bunk tank milk on the performance, serum metabolic profiles, immunity, and intestinal development in Holstein calves

Yang Zou; Yajing Wang; Youfei Deng; Zhijun Cao; Shengli Li; Jiufeng Wang

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Effects of feeding untreated, pasteurized and acidified waste milk and bunk tank milk on the performance, serum metabolic profiles, immunity, and intestinal development in Holstein calves

机译：饲喂未经处理，巴氏消毒和酸化的废牛奶和双层罐牛奶对荷斯坦牛犊的生产性能，血清代谢谱，免疫力和肠道发育的影响

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Background:The present experiment was performed to assess the effects of different sources of milk on the growth performance,serum metabolism,immunity,and intestinal development of calves.Eighty-four Holstein male neonatal calves were assigned to one of the following four treatment groups:those that received bunk tank milk (BTM),untreated waste milk (UWM),pasteurized waste milk (PWM),and acidified waste milk (AWM) for 21 d.Results:Calves in the BTM and AWM groups consumed more starter (P＜ 0.05) than those in the UWM group.Average daily gain in the UWM group was the highest (P ＜ 0.05).Calves exhibited the highest (P ＜ 0.05) serum total protein,albumin,total cholesterol,high density lipoprotein,triglycerides,growth hormone,immunoglobulin (Ig) A and IgM concentrations in the UWM group,highest malondialdehyde and tumor necrosis factor-α in the PWM group (P＜ 0.05),and highest glutathione peroxidase and IgG in the BTM group (P＜ 0.05).The jejunum and ileum of the calves in all treatments presented a slight inflammatory response.The jejunal inflammation scores were higher (P＜ 0.05) in the UWM and AWM groups than the BTM group;the ileal inflammation scores increased more (P ＜ 0.05) in the AWM group than the BTM group.Jejunal immunohistochemical scores (IHS) were higher (P ＜ 0.05)in the PWM and AWM groups than the BTM group.Compared to the other three groups,calves feeding on BTM had lower (P ＜ 0.05) ileal IHS.Jejunal interleukin(IL)-1β,IL-8,and IL-10 mRNA expression in the UWM group was the highest (P ＜ 0.05).Calves fed AWM increased (P ＜ 0.05) mRNA expression of IL-8 and toll like receptor 4 (TLR-4) in the jejunum and IL-8,IL-1β,IL-6,IL-8,and IL-10 in the mesenteric lymph nodes.Conclusions:Overall,bunk tank milk is the best choice for calf raising compared to waste milk.The efficiency of feeding pasteurized and acidified waste milk are comparable,and the acidification of waste milk is an acceptable labor-saving and diarrhea-preventing feed for young calves.

机译：背景：本实验旨在评估不同来源的牛奶对小牛的生长性能，血清代谢，免疫力和肠道发育的影响。将84只荷斯坦公牛新生小牛分为以下四个治疗组之一：接受双层罐装牛奶（BTM），未处理废牛奶（UWM），巴氏消毒废牛奶（PWM）和酸化废牛奶（AWM）的时间为21 d。结果：BTM和AWM组的犊牛消耗了更多的起动剂（P ＜ UWM组的平均日增重最高（P ＜0.05），UWM组的平均日增重最高（P ＜0.05）。牛的血清总蛋白，白蛋白，总胆固醇，高密度脂蛋白，甘油三酸酯，生长量最高UWM组中的激素，免疫球蛋白（Ig）A和IgM浓度，PWM组中的丙二醛和肿瘤坏死因子-α最高（P ＜0.05），BTM组中的谷胱甘肽过氧化物酶和IgG最高（P ＜0.05）。小腿空肠和回肠均在所有治疗前UWM和AWM组的空肠炎症评分高于BTM组（P <0.05）;回肠炎症评分比BTM组升高（P <0.05）。 PWM和AWM组的IHS评分（P ＜0.05）高于BTM组。与其他三组相比，以BTM喂养的犊牛的回肠IHS较低（P ＜0.05）。空肠白介素（IL）-1β UWM组中IL，IL-8和IL-10 mRNA的表达最高（P ＜0.05）。饲喂AWM的犊牛的IL-8和Toll样受体4（TLR-4）的mRNA表达增加（P ＜0.05）。空肠和肠系膜淋巴结中的IL-8，IL-1β，IL-6，IL-8和IL-10。结论：与废牛奶相比，整体而言，双层罐装牛奶是犊牛饲养的最佳选择。经巴氏消毒和酸化的废乳的进料量可比，废乳的酸化是幼小犊牛可接受的省力和防腹泻的饲料。

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来源
《畜牧与生物技术杂志(英文版)》 |2017年第4期|934-944|共11页
作者
Yang Zou; Yajing Wang; Youfei Deng; Zhijun Cao; Shengli Li; Jiufeng Wang;
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作者单位

State Key Laboratory of Animal Nutrition, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;

Beijing Dairy Cattle Center, Beijing 100192, China;

State Key Laboratory of Animal Nutrition, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;

State Key Laboratory of Animal Nutrition, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;

State Key Laboratory of Animal Nutrition, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;

State Key Laboratory of Animal Nutrition, Beijing Engineering Technology Research Center of Raw Milk Quality and Safety Control, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;

College of Veterinary Medicine, China Agricultural University, Beijing 100193, China;

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Effects of feeding untreated, pasteurized and acidified waste milk and bunk tank milk on the performance, serum metabolic profiles, immunity, and intestinal development in Holstein calves

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