DETERMINATION OF ANIMAL UNIT WEIGHT AND ANIMAL UNIT REQUIREMENT OF DALAGH BREED (CASE STUDY: AGH GHALA REGION)

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ARZANI HOSSEIN; MAHDAVI S.KH.; NIKKHAH A.; AZARNIVAND H.

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Journal: IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH Year:2006 | Volume:13 | Issue:3 (24) Page(s): 236-247

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Title

DETERMINATION OF ANIMAL UNIT WEIGHT AND ANIMAL UNIT REQUIREMENT OF DALAGH BREED (CASE STUDY: AGH GHALA REGION)

Author(s)

ARZANI HOSSEIN | MAHDAVI S.KH. | NIKKHAH A. | AZARNIVAND H. | Issue Writer Certificate

Keywords

RANGELANDQ2

ANIMAL UNITQ2

DAILY REQUIREMENTQ3

DALAGH BREEDQ3

AGH GHALAQ2

Abstract

Information on animal DAILY REQUIREMENT and forage quality for determination of RANGELAND grazing capacity is an essential task for range management. Animal requirement depends on factors such as weight, age, physiological condition as well as forage quality. There are more than 27 sheep breeds with different body size in Iran. So it is not possible to represent a unique weight for ANIMAL UNIT in overall country. To overcome the problem live weight and DAILY REQUIREMENT of each breed should be determined. In the present study, two herds of Dalagh sheep breed were selected with fifty head sheep in each including: fifteen head three years old ewes, fifteen head four years old ewes, ten head three months old lambs, ten head six months old lambs, five head three years old rams, five head four years old rams. They were weighed at three times (when grazing pasture, early and late winter in lowland). Average live weight of three and four year old ewes was considered as 51.75 kg. Equivalent ANIMAL UNIT for ram, three and six month lambs was obtained 1.37, 0.57 and 0.85 respectively. Animal requirement was determined based on forage quality in two phonological stages of vegetative and maturity. So, animal requirements were determined 1.2 and 1.53 kg dry matter per day at the times of vegetative and maturity stages respectively. Because of environmental condition and distance of watering point and sheep yard, metabolizable energy requirement per day was determined about 9/8 MJ. The SAS statistical software was used for data analysis according to factorial experiment in the form of completely randomized design. The result of analysis of variance showed herds, sex, age and location and also their interaction had significant effects on animal live weight (p<0.01).

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APA: Copy

ARZANI, HOSSEIN, MAHDAVI, S.KH., NIKKHAH, A., & AZARNIVAND, H.. (2006). DETERMINATION OF ANIMAL UNIT WEIGHT AND ANIMAL UNIT REQUIREMENT OF DALAGH BREED (CASE STUDY: AGH GHALA REGION). IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, 13(3 (24)), 236-247. SID. https://sid.ir/paper/106859/en

Vancouver: Copy

ARZANI HOSSEIN, MAHDAVI S.KH., NIKKHAH A., AZARNIVAND H.. DETERMINATION OF ANIMAL UNIT WEIGHT AND ANIMAL UNIT REQUIREMENT OF DALAGH BREED (CASE STUDY: AGH GHALA REGION). IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH[Internet]. 2006;13(3 (24)):236-247. Available from: https://sid.ir/paper/106859/en

IEEE: Copy

HOSSEIN ARZANI, S.KH. MAHDAVI, A. NIKKHAH, and H. AZARNIVAND, “DETERMINATION OF ANIMAL UNIT WEIGHT AND ANIMAL UNIT REQUIREMENT OF DALAGH BREED (CASE STUDY: AGH GHALA REGION),” IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, vol. 13, no. 3 (24), pp. 236–247, 2006, [Online]. Available: https://sid.ir/paper/106859/en

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