畜牧环境中高繁殖力家畜商业化生产一例报告。

IF 2.7 2区农林科学 Q1 AGRICULTURE, DAIRY & ANIMAL SCIENCE

Animals Pub Date : 2025-05-29 DOI:10.3390/ani15111583

Leo James Cummins

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引用次数: 0

摘要

在澳大利亚的第一产业中，肉牛被认为是单纯性的，而绵羊则不然，两者似乎都可能从产仔数的增加中受益。在这两个物种中，遗传发展导致产仔数增加，但这些只具有有限的商业应用。本报告描述了FecB （Booroola）基因在优质羔羊母羊中的商业应用，将所述羊群的产羔率从当地工业的111%提高到145%。在牛中，使用USMARC Twinner选择系遗传学将小牛断奶率从当地工业的典型89%提高到所述牛群的115%。

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A Case Report of Commercial Production from High Fecundity Livestock in a Pastoral Environment.

In the Australian primary industries, beef cows are recognized as monovular while sheep are less so, and both seem likely to benefit from increased litter sizes. In both species, there have been genetic developments causing increased litter sizes, but these have only had limited commercial application. This report describes the commercial use of the FecB (Booroola) gene in prime lamb ewes to increase lambing percentage from the 111% typical of the local industry to 145% in the flock described. In cattle, the use of the USMARC Twinner selection line genetics raised calf weaning percentage from the 89% typical of the local industry to 115% in the herds described.

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来源期刊

Animals Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

4.90

自引率

16.70%

发文量

3015

审稿时长

20.52 days

期刊介绍： Animals (ISSN 2076-2615) is an international and interdisciplinary scholarly open access journal. It publishes original research articles, reviews, communications, and short notes that are relevant to any field of study that involves animals, including zoology, ethnozoology, animal science, animal ethics and animal welfare. However, preference will be given to those articles that provide an understanding of animals within a larger context (i.e., the animals'' interactions with the outside world, including humans). There is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental details and/or method of study, must be provided for research articles. Articles submitted that involve subjecting animals to unnecessary pain or suffering will not be accepted, and all articles must be submitted with the necessary ethical approval (please refer to the Ethical Guidelines for more information).