中国畜牧兽医 ›› 2020, Vol. 47 ›› Issue (11): 3618-3625.doi: 10.16431/j.cnki.1671-7236.2020.11.024

• 遗传繁育 • 上一篇    下一篇

疾病对奶牛繁殖性能的影响及其研究进展Ⅲ:营养代谢性疾病

赵善江1, 郝海生1, 刘云祥2, 王现军2, 徐礼3, 李来宝3, 胡智辉1, 朱化彬1   

  1. 1. 中国农业科学院北京畜牧兽医研究所, 北京 100193;
    2. 中地乳业集团有限公司, 北京 100028;
    3. 徐州乐源牧业有限公司, 徐州 221721
  • 收稿日期:2020-08-12 出版日期:2020-11-20 发布日期:2020-11-20
  • 通讯作者: 朱化彬 E-mail:zhuhuabin@caas.cn
  • 作者简介:赵善江(1991-),男,山东临沂人,博士,助理研究员,研究方向:家畜胚胎工程与繁殖技术,E-mail:zhaoshanjiang@caas.cn
  • 基金资助:
    中国农业科学院科技创新工程(ASTIP-IAS06);国家重点研发计划(2017YFD0501903);中国农业科学院科技创新工程协同创新任务(CAAS-XTCX2016011-01-07);国家奶牛产业技术体系(CARS-36);江苏省"双创人才"项目(2017)

Effects of Diseases on Reproductive Performance in Dairy Cattle Ⅲ: Nutritional Metabolic Diseases

ZHAO Shanjiang1, HAO Haisheng1, LIU Yunxiang2, WANG Xianjun2, XU Li3, LI Laibao3, HU Zhihui1, ZHU Huabin1   

  1. 1. Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
    2. Zhongdi Dairy Corporation, Beijing 100028, China;
    3. Xuzhou Leyuan Animal Husbandry Co., Ltd., Xuzhou 221721, China
  • Received:2020-08-12 Online:2020-11-20 Published:2020-11-20

摘要: 现代规模化、集约化奶牛养殖生产模式下,不断供给高营养水平日粮是维持后备牛快速生长发育和泌乳母牛高泌乳性能的物质基础。然而,在遗传品质到达"瓶颈期"后,尽管随着日粮营养浓度的不断提高和干物质采食量(DMI)的增加,奶牛单产水平可以继续维持在一定的高水平状态,但是高产奶牛的营养代谢性疾病的发病率也呈现快速增长趋势,特别是围产期能量负平衡(negative energy balance,NEB)引起的酮病,高精日粮引发的酸中毒、高蛋白质日粮引起的血液中尿素氮升高等营养代谢性疾病,负调控奶牛繁殖性能,造成奶牛产后发情不明显,配种率和受胎率下降等,直接影响奶牛生产群的更新速度、优质牛群泌乳性能正常发挥以及奶牛养殖的经济效益。作者详细介绍了近年来国内外不同营养代谢性疾病对奶牛繁殖性能影响的相关研究资料,重点分析了酮病、低血钙、瘤胃酸中毒等围产期高发的营养代谢性疾病影响奶牛繁殖性能的分子机制,并对营养代谢性疾病与高产奶牛繁殖性能今后研究的方向提出了展望和思考,以期为提高中国规模化牧场高产奶牛群繁殖效率和母牛围产期营养管理水平提供一定的借鉴和理论依据。

关键词: 奶牛; 营养代谢性疾病; 繁殖性能; 机制

Abstract: Under the modern large-scale and intensive dairy farming production mode,the continuous supply of feed with high nutrition level is the material basis for maintaining the rapid growth and development of reserve cows and the high lactation performance of lactating cows.However,after the genetic quality reaches the "bottleneck period",although the milk yield of dairy cow can continue to maintain a certain high level with the continuous improvement of the nutrient concentration of feed and the increase of dry matter intake (DMI),the incidence of nutritional metabolic diseases of high-yield dairy cows also shows a rapid growth trend,especially ketosis caused by the negative energy balance in perinatal period,acidosis caused by high-precision diet and the increase of blood urea nitrogen caused by high-protein diet,negatively regulate the reproductive performance of dairy cows,resulting in inconspicuous postpartum estrus,decreased mating rate and conception rate of dairy cows,which directly affect the update speed of dairy cows production groups,the normal performance of high-quality cattle and the economic benefits of dairy farming.In this paper,the author introduced in detail the relevant research on the current situation and its mechanism influence of different nutritional metabolic diseases on the reproductive performance of dairy cows in recent years,and focused on analyzing the molecular mechanism of nutritional and metabolic diseases with high perinatal incidence such as ketosis,low blood calcium and moderate gastric acid,and put forward the prospect and thinking on the future research direction of nutritional and metabolic diseases and reproductive performance of high-yielding dairy cows,in order to provide some reference and theoretical basis for improving the reproductive efficiency of high-yielding dairy cows in large-scale pastures in China and the perinatal nutrition management level of dairy cows.

Key words: dairy cattle; nutritional metabolic diseases; reproductive performance; mechanisms

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