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K.F. Jørgensen
Animal sciencePurebredCrossbreedGrazingBiochemistry
4Publications
1H-index
11Citations
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Publications 4
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#1Mogens Vestergaard (AU: Aarhus University)H-Index: 27
#2K.F. JørgensenH-Index: 1
Last. Torsten Nygaard Kristensen (AU: Aarhus University)H-Index: 40
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Abstract When crossbreeding with beef breeds in organic dairy herds, the use of non-sexed semen will results in both male and female offspring to be used for beef production. The objective of the present study was to compare growth and carcass characteristics of 15 Danish Holstein bull (HB) calves, 15 beef x Danish Holstein crossbred bull (CB) calves and 15 beef x Danish Holstein crossbred heifer (CH) calves reared under organic settings. As beef bred sire a high-merit bull of the Limousine bree...
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#1Mogens VestergaardH-Index: 27
Last. M. Kargo
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Across sexes, crossbreeding did not improve growth rate compared to HOL bulls Crossbreeding markedly improved conformation Heifers produced carcasses of acceptable fatness Fatness and lean/fat colour of pasture-fed bulls were not acceptable
#1Mogens VestergaardH-Index: 27
#2K.F. JørgensenH-Index: 1
view all 7 authors...
The objective of the present study was to compare growth performance, carcass quality characteristics, and production economy of 15 Danish Holstein bull (HB) calves, 15 Limousine x Danish Holstein crossbred bull (CB) calves and 15 Limousine x Danish Holstein crossbred heifer (CH) calves reared under organic conditions. Spring-born calves were purchased at private farms and at approximately 20 days of age with an average initial body weight of 52.9, 58.2 and 56.1 kg, (SEM 2.6) for HB, CB and CH, ...
#1K.F. JørgensenH-Index: 1
#2Jakob SehestedH-Index: 17
Last. Mogens VestergaardH-Index: 27
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Organic dairy cows in Denmark has a higher frequency of liver abscesses, which is probably due to higher starch levels in the feed rations to high yielding cows compaired to conventional cows. Following abstract is based on experiments on young bulls and demonstrates whether replacing high-starch feeds with low-starch feed, such as dried grass pellets and sugar beet pulp, can reduce the problems with liver abscessation without reducing the performance level. The low-starch feed would be relevant...
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