SHORT COMMUNICATION
The effects of different amounts and types of fat on
rumen microbial protein synthesis in sheep
1
Department of Animal Nutrition and Feed Management,
August Cieszkowski Agricultural University,
Wołyńska 33, 60-637 Poznań, Poland
2
The Kielanowski Institute of Animal Physiology and Nutrition,
Polish Academy of Sciences,
05-110 Jabłonna, Poland
Publication date: 2001-06-28
J. Anim. Feed Sci. 2001;10(Suppl. 2):97-101
KEYWORDS
ABSTRACT
The experiments were carried out on 4 rams of 40 ± 5 kg body weight fitted with permanent rumen
and duodenal cannulas in a 4 x 4 Latin square design to determine the effects of fat source on rumen
microbial biosynthesis. The basic ration for the control group consisted of meadow hay and concentrate (60:40) and for the experimental groups, the ration was supplemented with vegetable fat as rape
seed oil, hydrogenated rape seed oil or linseed oil at a level of 0 (control), 4, 8 and 10% in dry matter
of the diet. The concentration of 2,6-diamonopimelic acid in duodenal digesta was analyzed as a
marker of bacterial protein content. There were no statistically significant differences in DAPA and
protein concentration, nevertheless the source and level of fat addition.
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