Effect of recombinant bovine somatotropin (rbST) administration on ewes milk. Influence of the nature of concentrate

被引：7

作者：

DellOrto, V ^{[1
]}

Chiofalo, V ^{[1
]}

Savoini, G ^{[1
]}

Zumbo, A ^{[1
]}

SgoifoRossi, C ^{[1
]}

机构：

[1] IST ZOOTECN,I-98123 MESSINA,ITALY

来源：

ANNALES DE ZOOTECHNIE | 1996年 / 45卷 / 04期

关键词：

ewe; somatotropin; starch; milk composition;

D O I：

10.1051/animres:19960410

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Forty Comisana ewes (62 +/- 8 days in milk) were divided into four equal groups: i) HA: high starch 34.1%; NDF 20.0%; ii) HA + rbST; iii) BA: low starch 12.2%, NDF 32.7% and iv) BA + rbST. Recombinant bovine somatotropin (Somidobove fly Lilly Elanco) was injected once subcutaneously (320 mg/ewe). Milk production was increased (P < 0.01) by rbST treatment for a cycle of 28 days. High starch concentrate lowered significantly (P < 0.05) milk pH and somatic cell counts. Dietary treatment and rbST did not affect respectively, milk fat and protein percentages, rennet coagulation of milk and blood parameters.

引用

页码：377 / 383

页数：7

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