Exact(3)
The reduction in milk production performance in cows fed HCS may be due to the adverse effects resulting from the increased concentrate proportion [ 3],[ 10],[ 11] as well as the low quality of corn straw.
Part of the increased concentrate consumption can be explained by the replacement of indigenous cows with cross-bred cows, especially in Ethiopia, where concentrate differences are smaller and the breed replacement stronger.
In this study, cows fed HCS had higher DMI, milk yield, and 4% FCM than cows fed LCS, which could be attributed to the higher dietary energy and protein levels in the HCS diet due to the increased concentrate proportion and the reduced straw proportion.
Similar(57)
The response to increased concentrate energy corresponded well with the responses reported earlier with a fixed concentrate composition.
The effects of increased concentrate level on milk production was assessed during two consecutive indoor feeding seasons according to a continuous randomised block design using 44 (season 1) and 47 (season 2) Finnish Ayrshire cows.
Increased concentrate supplementation increased DMI and milk production.
The present study supports the hypothesis that a concentrate form like crumbles, which produces a great percentage of fines at the feeder, can increase concentrate wastage, and, also, it affects eating pattern, increasing the time spent at the feeder, and consequently decreases the concentrate intake.
Experiment 2: increasing concentrate in the diet decreased S. bovis population, and increased R. amylophilus.
All animals were in positive N-balance and the N-balance increased with increasing concentrate supplementation.
Results also show that the controller is capable of increasing concentrate grade and recovery mean values, despite variations on feed grade; while reducing recovery and concentrate grade standard deviations.
The objective of this trial was to compare the effects of increasing dietary energy density from 1.51 to 1.65 Mcal/kg of dry matter (DM) by replacing forage with concentrate or by further increasing concentrate via the substitution of corn silage and alfalfa silage by a mixture of straw, starch, and soybean meal.
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