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| Titel: |
Self-Regulation of Supplemental Feed Intake by Grazing Dairy Cows and its Effect on Animal Performance |
| Auteur: |
Mould, Fergus L. |
| Verschenen in: |
Acta agriculturae Scandinavica. Section A, Animal science |
| Paginering: | Jaargang 43 (1993) nr. 2 pagina's 96-100 |
| Jaar: |
1993-05-01 |
| Inhoud: |
Grazing Norwegian Red dairy cows were offered one of two roughage supplements 'baled silage (S) or ryegrass (R)' on an ad libitum basis for a limited period daily. A third group received concentrate (C). Milk and FCM yields were significantly (P<0.05) influenced by treatment (23.65 and 22.81, 23.20 and 22.05 and 22.58 and 22.73 kg d-1, for S, C and R, respectively). Milk composition was unaltered. The cattle offered ryegrass consumed significantly (P<0.05) more supplementary feed and less pasture, and spent less time grazing and more time ruminating than the other two groups. Cattle with high initial yields, despite higher intakes of both pasture and supplement, had reduced liveweight gains and a faster decline in milk production in comparison with low yielders. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 6 van 9 gevonden artikelen
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