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当前位置: 首页 > 文章 > 不同饲养方式条件对青年新疆褐牛体重与血清激素水平的影响 新疆农业科学 2014,51 (12) 2321-2327
Position: Home > Articles > Effects of Different Feeding Conditions on the Yong Xinjiang Brown Cattle's Weight Changes and Serum Hormone Level Xinjiang Agricultural Sciences 2014,51 (12) 2321-2327

不同饲养方式条件对青年新疆褐牛体重与血清激素水平的影响

作  者：
居来提·阿不都外力;张浩;任万平;吕强;余雄
单  位：
新疆肉乳草食动物营养试验室;伊犁职业技术学院;新疆农业大学动物科学学院
关键词：
栓系;散栏;血清激素;体重
摘  要：
【目的】研究栓系与散栏两种不同饲养方式对青年新疆褐牛公犊生长过程中不同时期血清激素水平变化的影响。【方法】选取16月龄左右的青年新疆褐牛68头,分为散栏组和栓系组。青年牛为试验对象分别于0、30、60、90和120 d进行测定青年牛体重、饲草料,并采集血样进行生长激素(growth hormone,GH)、睾酮(testosterone,T)、生长抑制素(somatostatin,SS)、甲状腺素(T4)、三碘甲腺原氨酸(T3)、雌二醇(E2)、促卵泡素(FSH)、促黄体素(LH)含量的检测。【结果】在60、90、120 d时,散栏组青年牛日增重显著高于栓系组(P<0.05)。在90 d时,散栏组青年牛血清中GH含量显著高于栓系组(P<0.05),到了120 d时,散栏组极显著高于栓系组(P<0.01)。在60、90 d时,散栏组青年牛血清T含量显著高于栓系组(P<0.05),而在120 d时,散栏组极显著高于栓系组(P<0.01)。在90 d时,散栏组青年牛血清T3含量显著高于栓系组(P<0.05),到了120 d时,散栏组极显著高于栓系组(P<0.01)。在60 d时,散栏组青年牛血清中T4含量显著高于栓系组(P<0.05),90 d时,散栏组青年牛血清T4含量极显著高于栓系组(P<0.01)。在60、90、120 d时,散栏组青年牛血清FSH含量显著高于栓系组(P<0.05)。【结论】不同饲养方式条件下进行育肥青年牛,自由采食散栏饲养方式比栓系饲养能极显著提高青年牛的日增重(P<0.01)。
译  名：
Effects of Different Feeding Conditions on the Yong Xinjiang Brown Cattle's Weight Changes and Serum Hormone Level
作  者：
Julaiti Abuduwaili;ZHANG Hao;REN Wan-ping; Qiang;YU Xiong;College of Animal Science,Xinjiang Agricultural University;Yili Vocational and Technical College;Xinjiang Key Laboratory of Meat & Milk Production Herbivore Nutrition Xinjiang Agricultural University;
关键词：
tether;;casual bar;;serum hormones;;body weight
摘  要：
【Objective】The experiment aims to study the effect of the different feeding conditions on the changes of daily gain and serum biochemical index level in different periods of the young Xinjiang brown cattle in growth process. 【Method】68 16- months- old Xinjiang brown cattle were chosen and divided into scattered group and tethered group. They were taken as testing objects. In the experiment,we measured body weight,forage and tested blood samples of the content of growth hormone,testosterone,somatostatin,T4,T3,E2,FSH,LH in 0,30,60,90 and 120 d. 【Result】The results showed that the scattered group daily gain was significantly higher than that of the tethered group in 60,90,120 d( P < 0. 05). The scattered group serum GH content was significantly higher than that of the tethered group in 90 d( P < 0. 05). In 120 d,the scattered group serum GH content was significantly higher than tethered group( P < 0. 01). The scattered group serum T content was significantly higher than that of the tethered group in 60,90 d( P < 0. 05),but in120 d,the scattered group was significantly higher than the tethered group( P < 0. 01). The scattered group serum T3 content was significantly higher than that of the tethered group in 90 d( P < 0. 05). In 120 d,the scattered group serum T3 content was significantly higher than that of the tethered group( P < 0. 01). The scattered group serum T4 content was significantly higher than that of the tethered group in 60 d( P < 0. 05),in 90 d,the scattered group serum T4 content was significantly higher than that of the tethered group( P < 0. 01).In 60,90,120 d,the scattered group serum FSH content was significantly higher than that of the tethered group( P < 0. 05). 【Conclusion】In conclusion,under different feeding modes to fatten the young cattle,Ad libitum scattered feeding mode can significantly improve the young cattle's daily gain( P < 0. 01).

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