Żubr to gatunek, którego istnienie wiązało się z prawdopodobieństwem całkowitego wyginięcia. Egzystencja żubra nierozerwalnie związana jest z jego życiem w bezpośrednim sąsiedztwie człowieka. W wyniku działań, polegających ...

Przeprowadzone badania dotyczyły ustalenia zależności pomiędzy polimorfizmem kappa-kazeiny a cechami użytkowości mlecznej 339 krów pierwiastek rasy polskiej holsztyńsko- -fryzyjskiej odmiany czarno-białej. Genotypy ...

The aim of this study was to analyse milk production profitability over a period of more than a decade in a commercial farm in terms of two periods: prior to Poland's accession to the EU (from 1998 to April, 2004) and ...

The purpose of the conducted studies was the assessment of the quality of raw milk purchased by the dairy plant, including the purchase volume, the quality of the raw milk and the seasonality of its purchase. Farms were ...

The aim of this study was to analyse the dependence between PIT-1 gene polymorphism in exon 6 of bovine chromosome 1 (c.1178G>A) and the level of production progress in Polish Holstein-Friesian Black-and-White cows. The ...

The aim of this study was to analyse dependencies between PRL gene polymorphism within exon 4 of bovine chromosome 23 (locus g.8398G>A), and the level of production progress in milk yield, yields of milk fat and milk ...

Ability to create and use of transgenic animals can have a significant impact on many aspects of human life. These animals can improve medicine and provide new opportunities for the pharmaceutical or the food industry. ...

The study was taken in the farm located in West Pomerania province where Limousine cattle in purity of breed were kept. The study included a total of 226 Limousine calves in purity of breed, which were born between 2011 ...

The aim of the study was to identify selected factors influencing the dairy cows' reproductive disorders and some mistakes made by breeders in running herd, especially concerning feeding. Environmental factors influencing ...

Beavers are known as biggest rodents leaving in Europe and North America. Two species are included in beaver family: eurpoean beaver (Castor fiber, L.1758) and candian beaver (Castor canadensis, Kuhl 1820). In ancient ...