Characteristics of milk production and plasma levels of growth hormone and insulin in Japanese Black cows

被引：0

作者：

Shingu, H ^{[1
]}

Hodate, K

Kushibiki, S

Ueda, Y

Touno, E

Shinoda, M

Ohashi, S

机构：

[1] Natl Agr Res Ctr Tohoku Reg, Dept Anim Prod & Grasslands Farming, Morioka, Iwate 0200198, Japan

[2] Kitasato Univ, Sch Vet Med & Anim Sci, Towada, Aomori 0348628, Japan

[3] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058561, Japan

来源：

JOURNAL OF ANIMAL AND FEED SCIENCES | 2004年 / 13卷

关键词：

growth hormone; growth hormone-releasing hormone; insulin; milk yield; cows;

D O I：

10.22358/jafs/74035/2004

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

The aim of present study was to examine characteristics of milk yield and secretion of growth hormone (GH) and insulin in Japanese Black cows (beef type) during lactation. (Experiment 1) Milk yield and plasma concentrations of hormones in Japanese Black cows were compared with those in Holstein cows (dairy type). Japanese Black cows had smaller milk yield and secreted less GH but more insulin than Holstein cows. (Experiment 2) Effects of GH-releasing hormone (GHRH) on milk yield and plasma concentrations of hormones in Japanese Black cows were examined. Treatment with GHRH induced increases in milk yield (17.4%) and in GH and insulin concentrations.

引用

页码：559 / 562

页数：4

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