Abstract
Body development and type are very important indices of production ability of cows, their capacity to consume sufficient quantity of food, produce technologically high quality milk, reduce the energy consumption in production of milk, remain in exploitation as long as possible and give more progeny. This research included 278 cows of Simmental breed selected into the category of bull dams on the territory of Republic of Serbia. By application of method of least squares following average values of exterior measures were obtained: height to withers 136,04 cm; carcass length 165,81 cm; breast depth 73,61 cm; breast girth 201,12 cm; body mass 695,29 kg. Regions influenced statistically highly significantly all investigated exterior traits (P<0,01). Year of measuring had no statistically significant effect (P>0,05) on body development of Simmental bull dams. Obtained values were considerably uniform without any greater oscillations. .
Highlights
Introduction and literature reviewThere is certain relation between body development of head of cattle and milk production capacity
In the monograph »Simmental cattle in Serbia«, Romčević (1999) stated following exterior measures of Simmental bull dams in years 1995 and 1996: height to withers in both years was the same 136 cm, breast girth 199 and 202 cm, and body mass 697 and 692 kg
By application of method of least squares average values of exterior measures were obtained for Simmental bull dams: height to withers 136,04 cm; carcass length 165,81 cm; breast depth 73,61 cm; breast girth 201,12 cm; body mass 695,29 kg
Summary
There is certain relation between body development of head of cattle and milk production capacity. Functionality manifested in milk production can not be defined by exterior of cows e.g. their body development. Capacity of cows for milk production can be precisely determined only by direct measuring of production. Nenadović et al (1987) have carried out investigation of milk production on PD »Krivaja« and at the same time body measuring of 203 Simmental cows and established following average values: height to withers 134 cm, breast girth 212 cm and body mass 704 kg. In the monograph »Simmental cattle in Serbia«, Romčević (1999) stated following exterior measures of Simmental bull dams in years 1995 and 1996: height to withers in both years was the same 136 cm, breast girth 199 and 202 cm, and body mass 697 and 692 kg
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