DETERMINATION OF ANIMAL UNIT AND ANIMAL DAILY REQURIMENT OF MAKOII SHEEP BREED IN WEST AZARBAYJAN RANGELANDS

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ARZANI HOSSEIN; TORKAN J.; NIKKHAH A.; AZARNIVAND H.; GHORBANI MAHDI

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Journal: IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH Year:2010 | Volume:17 | Issue:2 (39) Page(s): 191-204

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Title

DETERMINATION OF ANIMAL UNIT AND ANIMAL DAILY REQURIMENT OF MAKOII SHEEP BREED IN WEST AZARBAYJAN RANGELANDS

Author(s)

Keywords

RANGELANDQ2

ANIMAL UNITSQ2

DAILY REQUIREMENTQ3

METABOLISABLE ENERGYQ3

MAKOII BREEDQ3

Abstract

Concepts of animal equivalent have been developed to express different kind and classes of grazing animal in common form. This concept is not fixed and usually determine on the basis of live weight and metabolic weight. More than 27 sheep breeds with different body size have been adapted and grazing on RANGELANDs in different climatic zones of Iran. So it is not correct to use the same animal unit weight for all. Therefore it is necessary to determine animal unit for each breed. In this study, two herds of West Azarbayjan MAKOII BREED were selected, 3 and 4 years old ewes, 3 and 4 years old rams and 3 and 6 months lambs were weighted in two stages in each herd. For determination of dry matter requirement forage quality was taken into consideration. DAILY REQUIREMENT of animal for maintenance condition was calculated using NRC (1985) tables and MAFF (1984) equation. On the basis of results; animal unit was obtained 45.36 ± 2.75 kg which is near to animal unit weight calculated for whole country based on weight of all breeds. DAILY REQUIREMENT of animal was obtained 9.50 Mj metabolically energy equal to 1.77 kg dry matter of available forage.

Cites

ANIMAL UNIT EQUIVALENT OF HARAKI SHEEP BREED GRAZING IN RANGELANDS OF WEST AZARBAIJAN PROVINCE

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APA: Copy

ARZANI, HOSSEIN, TORKAN, J., NIKKHAH, A., AZARNIVAND, H., & GHORBANI, MAHDI. (2010). DETERMINATION OF ANIMAL UNIT AND ANIMAL DAILY REQURIMENT OF MAKOII SHEEP BREED IN WEST AZARBAYJAN RANGELANDS. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, 17(2 (39)), 191-204. SID. https://sid.ir/paper/107036/en

Vancouver: Copy

ARZANI HOSSEIN, TORKAN J., NIKKHAH A., AZARNIVAND H., GHORBANI MAHDI. DETERMINATION OF ANIMAL UNIT AND ANIMAL DAILY REQURIMENT OF MAKOII SHEEP BREED IN WEST AZARBAYJAN RANGELANDS. IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH[Internet]. 2010;17(2 (39)):191-204. Available from: https://sid.ir/paper/107036/en

IEEE: Copy

HOSSEIN ARZANI, J. TORKAN, A. NIKKHAH, H. AZARNIVAND, and MAHDI GHORBANI, “DETERMINATION OF ANIMAL UNIT AND ANIMAL DAILY REQURIMENT OF MAKOII SHEEP BREED IN WEST AZARBAYJAN RANGELANDS,” IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH, vol. 17, no. 2 (39), pp. 191–204, 2010, [Online]. Available: https://sid.ir/paper/107036/en

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