The influence of birth date and litter mating on production traits of polar foxes

In the paper, the analysis of the influence of the birth date and the delivery sequence on the production traits of blue polar foxes is presented. The investigations were performed on the animal farms in the Kujawsko-Pomorskie voivodship within the years 2003-05. The following numbers of foxes were...

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Bibliographic Details
Published inActa Scientiarum Polonorum. Zootechnica (Poland) no. 7
Main Authors Zawislak, J.,University of Technology and Life Sciences, Bydgoszcz (Poland), Laski, B.,Regional Centre of Animal Breeding, Bydgoszcz (Poland), Kubacki, S.,University of Technology and Life Sciences, Bydgoszcz (Poland)
Format Journal Article
LanguageEnglish
Published 2008
Subjects
ANIMAL A FOURRURE
ANIMAL PERFORMANCE
ANIMALES DE PELETERIA
DESEMPENO ANIMAL
FOXES
FURBEARING ANIMALS
http://www.fao.org/aos/agrovoc#c_3073
http://www.fao.org/aos/agrovoc#c_3149
http://www.fao.org/aos/agrovoc#c_4788
http://www.fao.org/aos/agrovoc#c_5604
http://www.fao.org/aos/agrovoc#c_5698
METHODE
METHODS
METODOS
PARTO
PARTURITION
PERFORMANCE ANIMALE
RENARD
ZORRO
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Summary:In the paper, the analysis of the influence of the birth date and the delivery sequence on the production traits of blue polar foxes is presented. The investigations were performed on the animal farms in the Kujawsko-Pomorskie voivodship within the years 2003-05. The following numbers of foxes were analysed: in total 1252 individuals, on farm A - 845 individuals and on farm B - 407 individuals of foxes. It was shown that the date of birth of a fox puppy, depending on the year and the farm, encloses within the period between May 9th and 21st. An early date of birth had an advantageous influence on the number of delivered and the brought up fox puppies from one litter. There is no unambiguous influence of the time of birth on the size of an animal (in cm)
Bibliography:2009000098
L01
ISSN:1644-0714