SHORT COMMUNICATION
Supplementation of mixed roughage-based diet with
rumen protected methionine for lactating goats
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1
Department of Animal Nutrition and Feed Management, August Cieszkowski Agricultural University,
Wołyńska 33, 60-637 Poznań, Poland
2
Department of Sheep and Goat Breeding, August Cieszkowski Agricultural University,
Wołyńska 33, 60-637 Poznań, Poland
3
Department of Animal Origin Materials, August Cieszkowski Agricultural University,
Wołyńska 33, 60-637 Poznań, Poland
Publication date: 2001-06-28
J. Anim. Feed Sci. 2001;10(Suppl. 2):19-25
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ABSTRACT
Twenty goats of White Improved breed were divided by analogue method into four groups and
fed a basal diet consisting of different roughages (maize silage, sugar beets and meadow hay) and a
concentrate containing soyabean and rapeseed meals. Animals from individual groups were supplemented with 0, 1.5, 3 and 4.5 g/d of rumen protected methionine (Smartamine™ M).
No significant differences in milk yield and composition were observed. However, a trend in the
daily milk and fat yields as well as in milk protein content and yields were found in goats with the
increase of rumen protected methionine up to 3 g/d. The amino acid composition of milk protein did
not differ significantly among groups.
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