Section 3
Chapter 2,855

Grass and grass-legume swards in feeding of dairy cows

Kruczynska, H.; Rogalski, M.; Kryszak, J.; Nowak, W.

Zeszyty Problemowe Postepow Nauk Rolniczych 442: 285-292


ISSN/ISBN: 0084-5477
Accession: 002854105

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In a trial in 1994-95, paddocks dominated by (a) Poa pratensis, (b) Lolium perenne, (c) P. pratensis + Trifolium repens and (d) Festuca pratensis + T. repens were grazed by dairy cows between May and October. At the start of grazing of the 1st and 2nd regrowths in May-June the energy value of the herbage was 0.95-1.02 FU for lactation/kg dry matter (DM). Protein content was (a) 15.7-18.3, (b) 18.0-18.3, (c) 18.4-18.9, and (d) 20.0-22.4% of DM. The grass-clover swards were richer in minerals than the grass swards. At a stocking rate of 3.0-3.3 animals/ha, roughages covered maintenance + 50% of production requirements, or about 1300 kg milk/cow.

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