Calving performance in cows from rotational crossbreeding

Data of parturitions of 459 cows from rotational cross breeding between the Simmental, Holstein-Friesian, Polish Friesian and Jersey breeds were analysed. Labour duration was recorded. No significant effect of the genetic factors on calving performance was stated. The effect of calf presentation, bi...

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Bibliographic Details
Published inAnimal science papers and reports Vol. 11; no. 1
Main Authors Reklewska, B, Brzozowski, P, Szymczykiewicz, R. (Szkola Glowna Gospodarstwa Wiejskiego, Warszawa (Poland))
Format Journal Article
LanguageEnglish
Published 1993
Subjects
AGE
BOVIN LAITIER
CROISEMENT
CRUZAMIENTO
DISTOCIA
DYSTOCIE
EDAD
GANADO DE LECHE
MEDICION DEL CUERPO
MENSURATION CORPORELLE
PESO AL NACIMIENTO
POIDS A LA NAISSANCE
PRODUCTOS DEL CRUZAMIENTO
PRODUIT DE CROISEMENT
SEXE
SEXO
TERNERO
VACA
VACHE
VEAU
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Summary:Data of parturitions of 459 cows from rotational cross breeding between the Simmental, Holstein-Friesian, Polish Friesian and Jersey breeds were analysed. Labour duration was recorded. No significant effect of the genetic factors on calving performance was stated. The effect of calf presentation, birth weight, sire's breed and parity number on dystocia was observed
Bibliography:9400140
L10
ISSN:0860-4037