A NOTE ON THE EFFECT OF MONENSIN SODIUM ADMINISTERED BY INTRARUMINAL CONTROLLED-RELEASE DEVICES ON PRODUCTIVITY OF DAIRY-COWS AT PASTURE

被引：15

作者：

LYNCH, GA ^{[1
]}

HUNT, ME ^{[1
]}

MCCUTCHEON, SN ^{[1
]}

机构：

[1] MASSEY UNIV,DEPT ANIM SCI,PALMERSTON NORTH,NEW ZEALAND

来源：

ANIMAL PRODUCTION | 1990年 / 51卷

关键词：

bloat; dairy cows; milk production; monensin;

D O I：

10.1017/S0003356100005572

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 effects of monensin sodium, administered by intraruminal controlled-release devices at a rate of 320 mglday, on milk and milk solids production and bloat score were examined in a trial with 90 lactating dairy cows given only mixed ryegrasslwhite clover pasture. Monensintreated cows had significantly greater yields of milk and milk protein than control cows (1397·2 (s.e. 22·9) v. 1296·9 (s.e. 16·3) kg milk, 49·6 (s.e. 0·9) v. 46·5 (s.e. 0·6) kg protein) over the 14-week period of treatment (P < 0·01). Yield of fat was similar in monensin-treated and control cows (62·9 (s.e. 1·5) v. 63·4 (s.e. 1·1) kg). Live weight, condition score and bloat score were not influenced by treatment but pasture conditions were not conducive to severe bloat challenge. © 1990, British Society of Animal Science. All rights reserved.

引用

页码：418 / 421

页数：4

共 10 条

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[3] Effect of prepartum administration of monensin in a controlled-release capsule on postpartum energy indicators in lactating dairy cows
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[9] Effect of a monensin controlled-release capsule on rumen and blood metabolites in Florida Holstein transition cows
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