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Information Journal Paper

Title

DETERMINATION OF ANIMAL UNIT AND DAILY ANIMAL REQUIREMENT FOR SANGSARY SHEEP BREED

Pages

  187-199

Abstract

 More than 27 sheep breeds graze on Iran's RANGElands. For estimation of grazing capacity in each region it is necessary to determine animal requirement based on FORAGE QUALITY and ANIMAL UNIT weight of dominant sheep breed. In present study ANIMAL UNIT weight of Sangsary breed was investigated. Two herds were selected. Fourty head animals including 15 three and 15 four years' old ewes, 5 three and 5 four years old rams were weighed in lowlands. Weight of ANIMAL UNIT was 36.98 kg and ANIMAL UNIT equivalent for rams, 6 and 3 month old lambs obtained 1.31, 0.64, 0.42 respectively. Two season winter and summer, sex of animals (ewes and rams) and two herds were significantly differed (p<0.05). For determination of FORAGE QUALITY 5 samples that each was made from 5 individual plants collected. Crude protein, acid detergent fiber, dry matter digestibility and metabolisable energy were estimated for 6 species from highland and 12 species from lowlands. According Tukey test FORAGE QUALITY significantly differed between species (p<0.05). This showes that animal requirement should be determined based on FORAGE QUALITY of available forage to animals. Requirement of animal grazing on RANGEland is more than house keeping animals. So in this research considering environmental conditions and distances that animal had to walk everyday %50 was added to animal requirement calculated using either NRC tables or MAFF equation. The result showed that animal requirement in highland and lowland based on NRC tables were 1.00 and 1,04 kg and according to MAFF eqution were  0.90 and 0.92 kg dry matter respectively.

Cites

References

Cite

APA: Copy

ARZANI, HOSSEIN, NIKKHAH, ALI, AZARNIVAND, H., JAFARIAN JELOUDAR, Z., & GHORBANI, MAHDI. (2008). DETERMINATION OF ANIMAL UNIT AND DAILY ANIMAL REQUIREMENT FOR SANGSARY SHEEP BREED. IRANIAN JOURNAL OF NATURAL RESOURCES, 61(1), 187-199. SID. https://sid.ir/paper/23066/en

Vancouver: Copy

ARZANI HOSSEIN, NIKKHAH ALI, AZARNIVAND H., JAFARIAN JELOUDAR Z., GHORBANI MAHDI. DETERMINATION OF ANIMAL UNIT AND DAILY ANIMAL REQUIREMENT FOR SANGSARY SHEEP BREED. IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2008;61(1):187-199. Available from: https://sid.ir/paper/23066/en

IEEE: Copy

HOSSEIN ARZANI, ALI NIKKHAH, H. AZARNIVAND, Z. JAFARIAN JELOUDAR, and MAHDI GHORBANI, “DETERMINATION OF ANIMAL UNIT AND DAILY ANIMAL REQUIREMENT FOR SANGSARY SHEEP BREED,” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 61, no. 1, pp. 187–199, 2008, [Online]. Available: https://sid.ir/paper/23066/en

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