Results of the first season of ewes reproduction

The first season of reproduction was observed in Polish Merino and Wielkopolska pure breed ewes and in crossbred ewes: Polish Merino x East Friesian and Wielkopolska x Polish Merino. The first oestrus of the crossbred Polish Merino x East Friesian ewes at 210 days of life and at 46.1 kg of body weig...

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Bibliographic Details
Published inZeszyty problemowe postępów nauk rolniczych
Main Authors Olechnowicz J, Gut A
Format Journal Article
LanguageEnglish
Published 1986
Subjects
age
brebis
breeding seasons
breeds
ciclo estral
crossbreds
cycle oestral
edad
epoca de apareamiento
ewes
oestrous cycle
oveja
performance de reproduction
peso
poids
productos del cruzamiento
produit de croisement
race
razas
reproductividad
reproductivity
saison d' accouplement
weight
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Summary:The first season of reproduction was observed in Polish Merino and Wielkopolska pure breed ewes and in crossbred ewes: Polish Merino x East Friesian and Wielkopolska x Polish Merino. The first oestrus of the crossbred Polish Merino x East Friesian ewes at 210 days of life and at 46.1 kg of body weight was observed. Their season of reproduction was the longest with the highest number of oestrum. The crossbreds of Wielkopolska x Polish Merino had intermediate sexual activity when compared with the parental breeds.
Bibliography:83-01-06930
L53
L
ISSN:0084-5477