THE EFFECT OF ALFALFA HAY SUBSTITUTION WITH BARLEY SILAGE IN DIETS CONTAINING WHOLE COTTONSEED ON THE PERFORMANCE OF DAIRY HOLSTEIN COW

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ALIZADEH A.R.; ROUZBAHAN Y.; NASERIAN A.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2006 | Volume:13 | Issue:Supplement (Special Issue Animal Science) Page(s): 46-52

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Title

THE EFFECT OF ALFALFA HAY SUBSTITUTION WITH BARLEY SILAGE IN DIETS CONTAINING WHOLE COTTONSEED ON THE PERFORMANCE OF DAIRY HOLSTEIN COW

Author(s)

ALIZADEH A.R. | ROUZBAHAN Y. | NASERIAN A. | Issue Writer Certificate

Keywords

BARLEY SILAGEQ3

ALFALFA HAYQ3

WHOLE COTTONSEEDQ3

DAIRY HOLSTEIN COWQ3

Abstract

The effect of alf alfa hay substitution with BARLEY SILAGE in diets containing WHOLE COTTONSEED was studied using 8 precipitous Holstein cows. The animals were in early lactation period with live weight of 590±10 kg and 30±3.8 kg milk per day. In the control group, ALFALFA HAY was the only source of forage. In the other groups, ALFALFA HAY was replaced by BARLEY SILAGE at 33.3, 66.6 or 100 %. In all the rations, the forage: concentrate ratio was 36:64. Ten percent of WHOLE COTTONSEED was added to all treatments. All diets were fed in form of TMR. The experimental cows were individually installed indoors and had free access to fresh water and salt blocks. Feed intake and milk yield were recorded daily. The dry matter digestibility (DMD), organic matter digestibility (OMD) and acid detergent fiber digestibility (ADFD) were measured using total faucal collection method. Data were statistically analyzed in a change over design with four treatments in four periods of 21 days. There were no significant differences between the average daily dry matter intake (19.5, 19.1, 19.3 and 20.1 kg/d for treatments 1, 2, 3 and 4, respectively). The ration had no effect on the DMD, OMD and ADFD. In addition, daily milk production, percentage and daily yields of fat, protein and lactose were not significantly affected by the different diets. Based on the cost of the rations, which were 29540, 28870, 28900and 29970 Reials respectively, the second ration is the most economical viable one.

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APA: Copy

ALIZADEH, A.R., ROUZBAHAN, Y., & NASERIAN, A.. (2006). THE EFFECT OF ALFALFA HAY SUBSTITUTION WITH BARLEY SILAGE IN DIETS CONTAINING WHOLE COTTONSEED ON THE PERFORMANCE OF DAIRY HOLSTEIN COW. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 13(Supplement (Special Issue Animal Science)), 46-52. SID. https://sid.ir/paper/9142/en

Vancouver: Copy

ALIZADEH A.R., ROUZBAHAN Y., NASERIAN A.. THE EFFECT OF ALFALFA HAY SUBSTITUTION WITH BARLEY SILAGE IN DIETS CONTAINING WHOLE COTTONSEED ON THE PERFORMANCE OF DAIRY HOLSTEIN COW. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;13(Supplement (Special Issue Animal Science)):46-52. Available from: https://sid.ir/paper/9142/en

IEEE: Copy

A.R. ALIZADEH, Y. ROUZBAHAN, and A. NASERIAN, “THE EFFECT OF ALFALFA HAY SUBSTITUTION WITH BARLEY SILAGE IN DIETS CONTAINING WHOLE COTTONSEED ON THE PERFORMANCE OF DAIRY HOLSTEIN COW,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 13, no. Supplement (Special Issue Animal Science), pp. 46–52, 2006, [Online]. Available: https://sid.ir/paper/9142/en

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