EFFECT OF STARTING AGE FOR ALFALFA FEEDING ON PERFORMANCE AND WEANING AGE OF HOLSTEIN CALVES

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AHANGARANI M.A.; FATHI NASRI M.H.; FARHANGFAR H.; OMIDI A.

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Journal: ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ) Year:2011 | Volume:21 | Issue:2 Page(s): 35-49

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Title

EFFECT OF STARTING AGE FOR ALFALFA FEEDING ON PERFORMANCE AND WEANING AGE OF HOLSTEIN CALVES

Author(s)

AHANGARANI M.A. | FATHI NASRI M.H. | FARHANGFAR H. | OMIDI A. | Issue Writer Certificate

Keywords

DAIRY HOLSTEIN CALFQ3

WEANING AGEQ2

STARTER CONCENTRATEQ3

DRY ALFALFAQ3

Abstract

Thirty Holstein calves were used to evaluate the effect of starting age for alfalfa feeding on feed intake, weight gain, feed efficiency, blood and rumen metabolites concentration, and WEANING AGE. Average birth weight of the calves was 40.6±0.77 Kg. The experimental diets were 1- diet containing STARTER CONCENTRATE, 2- diet containing STARTER CONCENTRATE+dry alfalfa (from the first day of the experiment) and 3- diet containing STARTER CONCENTRATE+dry alfalfa (from the day 21 of the experiment). All experimental diets were formulated to have the same levels of energy and crude protein. During the experiment, calves were fed with raw milk based on 10 % of their body weight and they were taken out three weeks after weaning. Experiment data were analyzed based upon a completely randomized design with three treatments and ten replicates per each treatment. The results showed that average daily feed intake was significantly (P<0.05) greater for calves fed diets 2 and 3 than that of diet 1 for pre- and post weaning periods as well as the whole period of the experiment. Calves fed diet 2 had significantly (P<0.05) greater average daily gain than diet 1 for pre-weaning and whole period of the experiment but no significant difference was found between diets for post-weaning period. Average WEANING AGE for calves fed diet 2 was found to be significantly (P<0.05) lower than the calves fed diet 1. The results of this study showed that the feeding alfalfa hay to calves from the first week after birth improved feed intake and daily gain and reduced WEANING AGE.

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APA: Copy

AHANGARANI, M.A., FATHI NASRI, M.H., FARHANGFAR, H., & OMIDI, A.. (2011). EFFECT OF STARTING AGE FOR ALFALFA FEEDING ON PERFORMANCE AND WEANING AGE OF HOLSTEIN CALVES. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), 21(2), 35-49. SID. https://sid.ir/paper/147602/en

Vancouver: Copy

AHANGARANI M.A., FATHI NASRI M.H., FARHANGFAR H., OMIDI A.. EFFECT OF STARTING AGE FOR ALFALFA FEEDING ON PERFORMANCE AND WEANING AGE OF HOLSTEIN CALVES. ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ)[Internet]. 2011;21(2):35-49. Available from: https://sid.ir/paper/147602/en

IEEE: Copy

M.A. AHANGARANI, M.H. FATHI NASRI, H. FARHANGFAR, and A. OMIDI, “EFFECT OF STARTING AGE FOR ALFALFA FEEDING ON PERFORMANCE AND WEANING AGE OF HOLSTEIN CALVES,” ANIMAL SCIENCE RESEARCHES (FACULTY OF AGRICULTURE, UNIVERSITY OF TABRIZ), vol. 21, no. 2, pp. 35–49, 2011, [Online]. Available: https://sid.ir/paper/147602/en

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