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Feed consumption and performance of dairy cows with alternate feedings of grass silage and maize silage



Feed consumption and performance of dairy cows with alternate feedings of grass silage and maize silage



Animal Feed Science and Technology 6(4): 337-346



A feeding experiment was conducted with 10 dairy cows of the Fleckvieh breed and the cross Red Holstein Friesian .times. Fleckvieh, to study whether feeding with grass silage at the morning meal and maize silage at the evening meal (treatment B: alternating forage allocation) affects forage intake and milk production, in comparison with combined feeding with these 2 silages at each meal (treatment A). To prevent a selective forage consumption in treatment A, the 2 silages were given as a homogeneous mixture of nearly equal portions (51.6% maize silage, 48.4% grass silage) of dry matter (DM). The experiment was of switch-back design, with the treatment sequences ABA and BAB, and 3 experimental periods of 6 wk. The daily forage consumption averaged 12.3 kg DM when the silages were given as a mixture was significantly higher than the total forage consumption of 11.8 kg DM (P < 0.05) during the alternating allocation of the silages. In treatment B, daily uptake of maize silage (7.10 kg DM) was greater than that of grass silage (4.70 kg DM/day). Variation between cows in forage intake was significantly higher in this treatment than in treatment A. Average daily milk yield for treatment A was 18.75 kg with 3.84% fat and 3.70% protein, and 18.10 kg with 3.76% fat and 3.68% protein for treatment B. Production was significantly higher (P < 0.05), by 0.65 kg milk or 0.90 kg FCM, for treatment A.

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Accession: 000887782

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DOI: 10.1016/0377-8401(81)90012-2


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