Comparison of Body Condition Scores in Polish Holstein-Friesian cows of Black-and-White variety managed in different housing systems
Journal Title: Acta Scientiarum Polonorum Zootechnica - Year 2014, Vol 13, Issue 1
Abstract
The study was conducted in two dairy farms located in the province of Wielkopolska, Poland. Body condition scoring of Holstein-Friesian cows was carried out in spring, summer, autumn, and winter. In all, were carried out 1999 BCS assessments on 459 cows, housed in a free-stall barn, and 88 cows, housed in a tie-stall barn. Statistical analysis involved the housing system (free-stall and tie-stall), the technological status (primiparous and multiparous cows), and the season. The mean BCS of free-stall cows decreased until 100 days in lactation, then it increased again and reached the peak in dry cows, 3 weeks before calving. Primiparous cows had higher BCSs than multiparous cows. The effect of season on BCS in the free-stall system cows was significant (P < 0.01 and P < 0.05). BCS was lowest in the autumn. Moreover, technological group had an effect on BCS in the free-stall barn (P < 0.01 and P < 0.05); however, housing system was without a significant effect on the mean BCS or its distribution. In the movement restricting tie-stall housing system allows maintaining an optimal BCS by provision well balanced feeding rations.
Authors and Affiliations
Piotr Sablik, Paulina Kobak, Anna Skrzypiec, Agata Klenowicz, Daria Derezińska
Keywords
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