Abstract
Abstract. Title of the paper: Milk yield an milk quality of beef cows during the suckling period The milk yield of suckling cows is an important requirement for the growth of weaning calves. The daily milk yield of 57 suckling cows was recorded in different stages of suckling period. As methods of the milk recording were used "weigh – suckle – weigh" and machine milking with application of oxytocin. The means of the 200 days milk yield were 1,754 kg in suckling cows of the Red Angus breed at Hungarian farm and 2,868 kg for different genotypes on a grassland location in the North of Germany. On average, the percentage of milk fat was x = 4.26 % ± 1.17 %, of protein x = 3.62 % ± 0.39 % and of lactose x = 4.80 % + 0.35 %, respectively. Significant relations were recorded between the milk yield in the first 6th months of suckling period and the daily weight gain (coefficients from r = 0.541 to r = 0.581).
Highlights
Milk yield an milk quality of beef cows during the suckling period The milk yield of suckling cows is an important requirement for the growth of weaning calves
The daily milk yield of 57^suckling cows was recorded in different stages of suckling period
machine milking with application of Oxytocin
Summary
Title ofthe paper: Milk yield an milk quality of beef cows during the suckling period The milk yield of suckling cows is an important requirement for the growth of weaning calves. The daily milk yield of 57^suckling cows was recorded in different stages of suckling period. Die Milchleistung von Mutterkühen ist eine wesentliche Voraussetzung für das Wachstum der Absatzkälber. Eine möglichst verlustlose Aufzucht und hohe Absetzgewichte der Kälber sind für das wirtschaftliche Ergebnis bestimmend. Die Bereitstellung von Milch für das Kalb in ausreichender Menge ist maßgeblich für die Effizienz des Verfahrens: einerseits gilt es, das Wachstumspotential der Kälber optimal auszuschöpfen und andererseits die stoffwechselphysiologischen Bedingungen der Mutterkühe auf eine Nutzung über mehrere. Literatur Bezüglich der täglichen Milchleistung, der Laktationsleistung und des Laktationskurvenverlaufes von Kühen, die in der Mutterkuhhaltung genutzt werden, gibt es sehr variable Angaben. Milchleistungen von Kühen verschiedener Rassen in unterschiedlichen Laktationsabschnitten (nach FREETLY und CUNDIFF, 1998) [Milk yield of beef cows in various stages of lactation]
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