Department of Animal Science, College of Agriculture, Aksum University Shire Campus, Tigray, Ethiopia, Fsahatsion Hailemariam, Dawit Gebremicheal & Hagos Hadgu, You can also search for this author in [15][33] Some sources give a count of a thousand or more breeds,[34][35] but these numbers cannot be verified, according to some sources. Hooves of these animals are black. Although the name sheep applies to many species in the genus Ovis, in everyday usage it almost always refers to Ovis aries. [96] In the case of any such problems, those present at lambing may assist the ewe by extracting or repositioning lambs. Scrotum circumference of rams for ‘Wenya-dega’ agroecology was wider than for ‘Dega’ rams. Like cows, they must chew their food twice in order to digest it. 2009; P. 241–6. Like most ruminants, sheep are members of the order Artiodactyla, the even-toed ungulates. PubMed Feed provided to sheep must be specially formulated, as most cattle, poultry, pig, and even some goat feeds contain levels of copper that are lethal to sheep. [38] (These numbers exclude extinct breeds, which are also tallied by the FAO.) 2006; P. 89. The productivity of sheep as in the case of most of the ruminants is markedly low due to several genetic and environmental factors [9]. A. Mench. Poisoning accounted for 1.7% of non-productive deaths. It is quite bulky but carries more dead hairs (kemps) than other breeds. The wool is predominantly used in carpet yarns and rug yarns due to its excellent resilience and hardwearing properties. Fly maggots cause the extremely destructive condition of flystrike. 2000;65:209–17. For example: the American Columbia breed was developed by crossing Lincoln rams (a long wool breed) with fine-wooled Rambouillet ewes. [27][31] Paradoxically, sheep can both cause and solve the spread of invasive plant species. They mature at about one year of age, and many breed when they reach the age of about one and a half years. 28–30 August, Addis Ababa, Ethiopia. In both ancient and modern religious ritual, sheep are used as sacrificial animals. Article The average value of tail length for mature ewes and rams obtained in the study was lower than the average value of Gumuz and Washera ewe and rams with an on-farm management [25, 29] and longer than Afar ewe and rams [19]. A. Baldwin, J. N. Toner and C. Weller. The obtained result is in consonance with the result of Oke and Ogbonnaya [10] and Mengistie et al. 62: 301–308. The fleece is a bright white with good crimp and soft handle and is very even. 2007. The history of textiles is long and eventful, steeped in tradition and intrinsically woven into the heritage of West Yorkshire. By disturbing the natural state of pasture, sheep and other livestock can pave the way for invasive plants. [169], In antiquity, symbolism involving sheep cropped up in religions in the ancient Near East, the Mideast, and the Mediterranean area: Çatalhöyük, ancient Egyptian religion, the Cana'anite and Phoenician tradition, Judaism, Greek religion, and others. [170] In Ancient Egyptian religion, the ram was the symbol of several gods: Khnum, Heryshaf and Amun (in his incarnation as a god of fertility). A lively and informative new podcast for kids that the whole family will enjoy! In some developed countries, including the United States, sheep lack the economic importance for drug companies to perform expensive clinical trials required to approve more than a relatively limited number of drugs for ovine use. In this trial, lambs provided insect control as effectively as insecticides. CABI, Wallingford, UK. [88][89][90][91], In feral sheep, rams may fight during the rut to determine which individuals may mate with ewes. It is approx. Small Rum Res. Rams, especially unfamiliar ones, will also fight outside the breeding period to establish dominance; rams can kill one another if allowed to mix freely. The fineness is approx. , random residual error. Several hundred different breeds of sheep have been developed to meet environmental conditions influenced by latitudes and altitudes and to satisfy human needs for clothing and food. The result of the study indicates that WH, HW, BL, CG, SW, CBL, CBW and TC were significantly (P < 0.01) correlated with BW at all of the age groups and in both of the sexes, while SC was also observed to be significantly (P < 0.01) correlated with the BW of the rams.
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