Effects of Pennisetum giganteum Supplied in Diet on Blood Biochemical Indexes and Hormone Levels of Dairy Cows

doi:10.11733/j.issn.1007-0435.2019.02.031

Acta Agrestia Sinica ›› 2019, Vol. 27 ›› Issue (2): 497-502.DOI: 10.11733/j.issn.1007-0435.2019.02.031

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Effects of Pennisetum giganteum Supplied in Diet on Blood Biochemical Indexes and Hormone Levels of Dairy Cows

MA Jian^1,2, Fan Xue¹, Dou Jing-jing¹, YU Xiong¹, YANG Ji³, LEI Xiao-ying⁴

1. College of Animal Science and Technology, Xinjiang Agricultural University, Urumqi, Xinjiang Uygur Autonomous Region 830052, China;
2. Institute of Animal Nutrition, Sichuan Agricultural University, Yaan, Sichuang Province 625014, China;
3. Beijing Yongrun Guonong Eco-agriculture Technology Co., Ltd., Beijing 100080, China;
4. Hebei Jinzhou Zhoujiazhuang Agriculture and Animal Husbandry Co., Ltd., Shijiazhuang, Hebei Province 052262, China

Received:2018-09-28 Revised:2019-04-02 Online:2019-04-15 Published:2019-05-30

日粮中添加禾王草对泌乳奶牛血液生化指标和激素水平的影响

马健^1,2, 范雪¹, 窦晶晶¹, 余雄¹, 杨基³, 雷小英⁴

1. 新疆农业大学动物科学学院, 新疆乌鲁木齐 830052;
2. 四川农业大学动物营养研究所, 四川雅安 625014;
3. 北京永润国农生态科技有限公司, 北京 100080;
4. 河北晋州市周家庄农牧业有限公司, 河北石家庄 052262

通讯作者: 窦晶晶, 余雄
作者简介:马健(1989-),男,山东济宁人,博士研究生,主要从事反刍动物营养研究,E-mail:Crazyma0411@163.com
基金资助:
自治区重大科技专项项目（2017A01002-2-3）；现代农业（奶牛）产业技术体系建设专项资金（CARS-36）资助

Abstract

Abstract: This experiment was conducted to investigate the effects of dietary supplementation of Pennisetum giganteum hay or P. giganteum silage on blood biochemical indexes and hormone levels of dairy cows. Forty-five healthy Chinese Holstein lactating dairy cows were randomly assigned into 3 groups with 15 cows in each group by milk yield,parity and days in milk. Roughages in control group were whole corn silage,Chinese wildrye and alfalfa hay. In trial group Ⅰ,40% whole corn silage were replaced with P. giganteum silage. Besides,all the Chinese wildrye and 33% alfalfa hay were replaced with P. giganteum hay in trial group Ⅱ. Nutrient levels of the three diets were close. The pre-trial lasted for 10 d,and the trial lasted for 60 d. The results showed that compared with CG,the contents of albumin,total protein,urea nitrogen,cholesterol,creatinine,glucose,triglyceride,glutamic pyruvic transaminase,glutamic oxalacetic transaminase,alkaline phosphatase,β-hydroxybutyric acid and non-esterified fatty acid in trial group Ⅰ and Ⅱ were not significantly changed. The contents of growth hormone and cortisol in trial group Ⅱ were slightly increased and the content of insulin in three groups was not significantly changed. It is concluded that partial replacement of alfalfa hay with P. giganteum hay and partial replacement of whole corn silage with P. giganteum silage in diets was safe and reliable.

Key words: Pennisetum giganteum, Holstein dairy cows, Blood, Biochemical indexes, Hormone levels

摘要： 本文研究了日粮中添加禾王草（Pennisetum giganteum）干草或青贮对泌乳奶牛血液生化指标和激素水平的影响。将45头产奶量、泌乳天数和胎次等相近的荷斯坦奶牛随机分为3组。对照组日粮粗饲料由羊草、苜蓿干草和全株玉米青贮组成，试验Ⅰ组粗饲料中禾王草青贮代替40%全株玉米青贮，试验Ⅱ组粗饲料中禾王草干草代替全部羊草和33%苜蓿干草，3组日粮营养水平相近，预饲期10 d，正试期60 d。结果表明：与对照组相比，试验Ⅰ组、Ⅱ组对白蛋白、总蛋白、尿素氮、胆固醇、肌酐、葡萄糖、甘油三酯、谷丙转氨酶、谷草转氨酶、碱性磷酸酶、β-羟丁酸和非酯化脂肪酸含量影响不显著；试验Ⅱ组生长激素和皮质醇含量略高，但差异不显著，各组间胰岛素含量差异不显著。综上所述，用禾王草干草代替部分苜蓿干草或用禾王草青贮代替适量全株玉米青贮饲喂奶牛安全可靠。

关键词: 禾王草, 荷斯坦奶牛, 血液, 生化指标, 激素水平

CLC Number:

S823

MA Jian, Fan Xue, Dou Jing-jing, YU Xiong, YANG Ji, LEI Xiao-ying. Effects of Pennisetum giganteum Supplied in Diet on Blood Biochemical Indexes and Hormone Levels of Dairy Cows[J]. Acta Agrestia Sinica, 2019, 27(2): 497-502.

马健, 范雪, 窦晶晶, 余雄, 杨基, 雷小英. 日粮中添加禾王草对泌乳奶牛血液生化指标和激素水平的影响[J]. 草地学报, 2019, 27(2): 497-502.

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Effects of Pennisetum giganteum Supplied in Diet on Blood Biochemical Indexes and Hormone Levels of Dairy Cows

日粮中添加禾王草对泌乳奶牛血液生化指标和激素水平的影响

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