The Holstein bulls’ genealogical structure on the Russian Federation breeding enterprises (n= 3 75), as well selection types ratio of their breeding, genomic parameters’ assessments in countries exporting were studied. evaluation 21 sires daughters quality and mothers milk production comparison plant’s herd was carried out. A narrow range lines imported Holsteins, that does not allow genetic va...

Holstein Friesian bulls (n = 75) were used to evaluate the effect of restricted and subsequent compensatory growth on muscular and skeletal growth as well as the recovery of carcass and noncarcass components. Fifteen bulls were slaughtered on Day 0 to provide baseline parameters for carcass and noncarcass measurements. Of the remaining 60 bulls, 30 were fed ad libitum (ADLIB) and 30 were fed a ...

An attempt was made to identify technological solutions that would improve the quality of products from meat Holstein-Friesian (HF) bulls, with particular emphasis on standardising longissimus lumborum (LL) and semimembranosus (SM) muscles. Marinating (Mar) grilling (Grill) were used in combination sous vide (SV) method. The effects type muscle (LL or SM) applied treatments (SV, SVMar, SVGrill)...

The objective of this research was to determine the effects different initial fattening ages on performance, carcass features, and meat quality traits Holstein Friesian bulls. A total 24 Holstein-Friesian intact males were used in study. bulls allocated age groups named as Young Group (8-10 months old) (YG), Middle Aged (12-14 (MAG) Older (15-17 (OG) then placed feedlot based three at entry. da...