Section 4
Chapter 3,968

The effect of constant or variable forage to concentrate ratio in total mixed ration on performance of primiparous dairy cows

Mantysaari, P.; Nousiainen, J.; Huhtanen, P.

Livestock Production Science 82(1): 27-37


ISSN/ISBN: 0301-6226
DOI: 10.1016/s0301-6226(03)00007-1
Accession: 003967741

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The performance of 45 primiparous Ayrshire cows fed total mixed ration (TMR) with constant (TMR1) or variable (TMR3) proportion of concentrate in dry matter was studied. On TMR1 treatment the forage to concentrate ratio of TMR was 53:47 in dry matter (DM) throughout the lactation. On TMR3 the forage to concentrate ratio increased during the lactation being 43:57, 53:47 and 63:37 on 0-100, 101-200 and 201-305 days post partum, respectively.

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