ORIGINAL PAPER
Milk yield and composition in dairy cows fed a diet
with evening primrose (Oenothera paradoxa)
full fat seeds or oil cake
K. Bilik
1
| 1 | Research Institute of Animal Production,
Department of Animal Physiology and Nutrition,
32-083 Balice, Poland |
| 2 | The Kielanowski Institute of Animal Physiology and Nutrition,
Polish Academy of Sciences,
05-110 Jabłonna, Poland |
Publication date: 1999-01-02
J. Anim. Feed Sci. 1999;8(1):89–94
KEYWORDS
ABSTRACT
The experiment was carried out on 30 Black-and-White Lowland dairy cows divided into 3 groups of
10 to investigate the effect of feeding evening primrose (Oenotheraparadoxa) full fat seeds or oil cake on
milk yield and composition. The animals were fed a basic ration consisting of maize silage, sugar beet top
silage, meadow hay or green pasture forage (in summer) and concentrate mixture (control group - C)
supplemented with evening primrose oil cake (group - O) or full fat seeds (group - S) from the beginning
to 100th day of lactation. Average daily milk production was 31.4, 32.1 and 33.2 kg in the C, S and O
groups, respectively, but differences between the groups were statistically insignificant. The fat content in
milk from cows receiving oil cake (3.88 %) or full fat seeds (3.93 %) with their ration tended to be higher
than in the control group (3.78 %) but the level of protein and lactose in milk was similar in all groups.
CITATIONS (1):
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Journal of Applied Microbiology
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