Sheep Overview

Wansheng Liu; Troy Ott

doi:10.1016/B978-0-12-809633-8.20511-6

Sheep Overview

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Rams are seasonal breeders that have large testes in comparison with other mammalian species. Testicle size is a good indication of a ram׳s sperm producing ability and varies with season, body condition and mating activity. A breeding soundness evaluation prior to ram introduction to ewes is critical to assess a ram's breeding capacity. In a seasonal breeding system, a ram can breed up to 100 ewes per year, whereas in an artificial insemination program, one ram can be used to inseminate thousands of ewes in a breeding season.

Original language	English (US)
Title of host publication	Encyclopedia of Reproduction
Subtitle of host publication	Volume 1-6, Second Edition
Publisher	Elsevier
Pages	515-520
Number of pages	6
Volume	1
ISBN (Electronic)	9780128118993
ISBN (Print)	9780128151457
DOIs	https://doi.org/10.1016/B978-0-12-809633-8.20511-6
State	Published - Jan 1 2018

All Science Journal Classification (ASJC) codes

General Medicine

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10.1016/B978-0-12-809633-8.20511-6

Cite this

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Sheep Overview

Abstract

All Science Journal Classification (ASJC) codes

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