NDLI: The beef production of a Jersey herd as affected by crossbreeding using Fleckvieh sire

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The beef production of a Jersey herd as affected by crossbreeding using Fleckvieh sire

Content Provider	Semantic Scholar
Author	Cjc, Muller Dzama, Kennedy Goni, Sindisile Ja, Botha
Copyright Year	2013
Abstract	Beef production is a natural possibility in a dairy herd through cull cows and bull calves. This is not always exploited fully probably because of its relatively small contribution to farm income. While producing high quality beef, the growth rate of Jersey (J) bull calves for veal and beef is low in comparison to other dairy breeds. This could be improved by crossbreeding with beef breeds. In this paper the beef production of purebred J and Fleckvieh x Jersey (FxJ) bull calves was compared. Bull calves were reared similarly for veal, i.e. a carcass weight not exceeding 100 kg, or as steers for beef to 21 months of age. In the veal production system, for J and FxJ bull calves, respectively, the mean±se birth weight of 27.5±1.2 and 31.9±0.8 kg, live weight at 6 months of age of 166.2±10.4 and 190.0±20.1 kg, average daily gain (ADG) of 0.754±0.013 and 0.865±0.017 kg and marketing age at 7.3±0.1 and 6.2±1.2 months differed (P<0.01). In the beef production system, for J and FxJ bull calves, respectively, the mean±se birth weight of 26.5±1.0 and 33.4±1.1kg, end live weight at 21 months of age of 324.4±10.2 and 433.0±13.3 kg, ADG of 0.465±0.016 and 0.624±0.021 kg differed (P<0.01). Results indicate a potentially higher beef income for crossbred veal calves and steers. Further studies are required to determine an optimal feeding programme and marketing age as well as its effect on beef quality characteristics.
Starting Page	443
Ending Page	446
Page Count	4
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.aaabg.org/aaabghome/AAABG20papers/muller20443.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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