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The trend of cowmilk yield, its compostion and the body condition during the lactation
Published:
2009-12-21
https://doi.org/10.34101/actaagrar/37/2784
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Mikó Józsefné Jónás, E., Mucsi, I., & Komlósi, I. (2009). The trend of cowmilk yield, its compostion and the body condition during the lactation. Acta Agraria Debreceniensis, 37, 69-73. https://doi.org/10.34101/actaagrar/37/2784
Abstract
The authors examined the data of 2767 trial milkings andthe months Body Condition Scores of 479 Holstein dairy cows. The condition loss was significant between the 30-60th days. The improvement of BCS begins only after the 120th day. The change in the milk protein and milk fat content were close after the condition changing. In each period of the lactation the closeness of the relationship among the condition, the milk quantity and the milk composition were different. In the aspect of the milk quantity the most significant difference was between the 2.5 and 4 BCS cows (6.68 kg) in the last period of the lactation.