Effects of shearing and prebreeding ram exposure on days to first mark and pregnancy rate of ewe lambs

Crossbred ewe lambs were used to examine effects of shearing and prebreeding ram exposure on age at puberty and pregnancy rate. Shearing did not significantly affect age at puberty or growth rate of ewe lambs. Prebreeding ram exposure and/or shearing did not influence pregnancy rate. Key words: Shea...

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Veröffentlicht in:	Canadian journal of animal science 1991-09, Vol.71 (3), p.905-907
Hauptverfasser:	Kemp, R.A, Lane, S.F, Berger, Y.M
Format:	Artikel
Sprache:	eng
Schlagworte:	age Biological and medical sciences environmental exposure ewes Fundamental and applied biological sciences. Psychology growth rate lambs pregnancy rate puberty rams Sexual differentiation and maturation. Puberty. Climacterium shearing Vertebrates: reproduction
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Zusammenfassung:	Crossbred ewe lambs were used to examine effects of shearing and prebreeding ram exposure on age at puberty and pregnancy rate. Shearing did not significantly affect age at puberty or growth rate of ewe lambs. Prebreeding ram exposure and/or shearing did not influence pregnancy rate. Key words: Shearing, ram exposure, pregnancy rate, growth
ISSN:	0008-3984 1918-1825
DOI:	10.4141/cjas91-106