一岁母羊所生的羔羊长到活重大时，是否应留作替补羔羊，并在 7 个月大时交配？

IF 1.5 3区农林科学 Q2 AGRICULTURE, MULTIDISCIPLINARY New Zealand Journal of Agricultural Research Pub Date : 2024-02-21 DOI:10.1080/00288233.2024.2319823

Emmanuelle Haslin, Paul R. Kenyon, Rene A. Corner-Thomas, Steve T. Morris, Hugh T. Blair

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引用次数: 0

摘要

将一岁母羊所生的单胎和双胎母羊羔羊与混龄母羊所生的双胎母羊羔羊的终生生产率和效率进行了比较。罗姆尼母羊羔羊无论出生...

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Should lambs born to one-year-old ewes and grown to heavy live weights be retained as replacements and mated at seven months of age?

The lifetime productivity and efficiency of singleton- and twin-born ewe lambs born to one-year-old ewes were compared with twin-born ewe lambs born to mixed-age ewes. Romney ewe lambs either born ...

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来源期刊

New Zealand Journal of Agricultural Research 农林科学-农业综合

CiteScore

4.90

自引率

16.70%

发文量

审稿时长

3 months

期刊介绍： The New Zealand Journal of Agricultural Research publishes original research papers, review papers, short communications, book reviews, letters, and forum articles. We welcome submissions on all aspects of animal and pastoral science relevant to temperate and subtropical regions. The journal''s subject matter includes soil science, fertilisers, insect pests, plant pathology, weeds, forage crops, management systems, agricultural economics, agronomy, and animal science. The journal also accepts crossover papers on subjects such as land –water interactions.