Herbage intake in Danish Jersey and Danish Holstein steers on perennial ryegrass/white clover pasture
نویسنده
چکیده
B. Nielsen*, S.M. Thamsborg, H.R. Andersen, T. Kristensen Organic Animal Health and Production, Department of Animal Science and Animal Health, Royal Veterinary Agricultural University, Groennegaardsvej 2, DK-1870 Frederiksberg C, Denmark Department of Animal Nutrition and Physiology, Danish Institute of Agricultural Sciences, Foulum, Postbox 50, 8830 Tjele, Denmark Department of Agricultural Systems, Danish Institute of Agricultural Sciences, Foulum, Postbox 50, 8830 Tjele, Denmark O Received 31 December 2002; received in revised form 16 June 2003; accepted 2 September 2003
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