Tropical Animal Health and Production

, Volume 43, Issue 7, pp 1267–1287 | Cite as

A review of morphological characteristics relating to the production and reproduction of fat-tailed sheep breeds

SI Fat Tailed Sheep

Abstract

The purpose of this study is to survey the literature pertinent to some morphological traits which are related with the production and reproduction of fat-tailed sheep breeds. The fat-tailed breeds were identified according to Food and Agriculture Organization databases. Articles referring to all these sheep breeds were evaluated. The morphology of udders and their measurable variables were collected and described. The particularities of pelt and fleece features which are important from an economic point of view were summarized. Linear, planar, and spatial parameters of body, slaughter, and carcass factors were compared at various ages of breeding. Testicular dimensions and semen characteristics were recorded. Their relationships with productive and reproductive performance were discussed. The pattern of ovarian follicle development and the involution of the genital tract were assessed from the anatomical point of view in normal and untreated animals. The data presented here provide useful baseline information on the normal morphological aspects which are important in the animal production of these breeds.

Keywords

Body measurements Udder Carcass Docking Wool Reproduction 

References

  1. Abdel-Moneim, A. Y., 2009. Body and carcass characteristics of Ossimi, Barki and Rahmani ram lambs raised under intensive production system, Egyptian Journal of Sheep and Goat Sciences, 4, 1–16Google Scholar
  2. Abdel-Rahman, H. A., El-Belely, M. S., Al-Qarawi, A. A., El-Mougy, S. A., 2000. The relationship between semen quality and mineral composition of semen in various ram breeds, Small Ruminant Research 38, 45–49PubMedCrossRefGoogle Scholar
  3. Abdullah, A. Y., Qudsieh, R. I., 2008. Carcass characteristics of Awassi ram lambs slaughtered at different weights, Livestock Science, 117, 165–175CrossRefGoogle Scholar
  4. Akraim, F., Milad, I. S., Abdulkarim, A. A. A., Ganem, M., 2008. Wool characteristics of Libyan Barbary sheep in north-eastern Libya: I. Fiber diameter and staple length, Livestock Research for Rural Development, 20, Article #118. Retrieved October 26, 2010, from http://www.lrrd.org/lrrd20/8/akra20118.htm
  5. Ali, A., Derar, R., Hussein, H., 2006. Seasonal variations of the ovarian follicular dynamics and luteal functions of sheep in the subtropics, Theriogenology, 66, 463–469PubMedCrossRefGoogle Scholar
  6. Amir, D., Volcani, R., 1965. Seasonal changes in the sexual activity of Awassi, German Mutton Merino, Corriedale, Border-Leicester and Dorset Horn rams II. Seasonal changes in semen characteristics, Journal of Agricultural Science, 64, 121–125CrossRefGoogle Scholar
  7. Arik, I.Z., Dellal, G., Cengiz, F., 2003. Some physical characteristics of Anatolian Merino, White Karaman, Ile de France X Anatolian Merino (F1) and Ile de France X White Karaman (F1) ewes, Turkish Journal of Veterinary Animal Science, 27, 651–656Google Scholar
  8. Atti, N., Bocquier, F., Khaldi, G., 2004. Performance of the fat-tailed Barbarine sheep in its environment: adaptive capacity to alteration of underfeeding and re-feeding periods. A review, Animal Research, 53, 165–176Google Scholar
  9. Atti, N., Ben Hamouda, M., 2004. Relationships among carcass composition and tail measurements in fat-tailed Barbarine sheep, Small Ruminant Research, 53, 151–155CrossRefGoogle Scholar
  10. Babaei, H., Ayen, E., 2005. Evaluation of uterine involution using radio-opaque markers during the post-partum period in Makuii ewes, Iranian Journal of Veterinary Research, 6, 29–34 (article in Persian with English abstract)Google Scholar
  11. Badreldin, A. L., Oloufa, M. M., El-Labban, F. M., 1952. Some wool characteristics of the Ossimi sheep, Journal of Animal Science, 11, 591–598Google Scholar
  12. Barkawi, A. H., El-Asheeri, A. K., Hafez, Y. M., Ibrahim, M. A., Ali, M. M., 2009. Growth and carcass characteristics of lambs in relation to plasma IGF-1 and some histological traits of Longissimus lumborum and Biceps femoris as affected by breed and age at slaughter, Livestock Science, 124, 9–14CrossRefGoogle Scholar
  13. Bathaei, S.S., 1995. La croissance et le développement corporel de la naissance à la maturité dans la race ovine iranienne Mehraban à queue grasse. Revue d'Élevage et de Médecine vétérinaire des Pays tropicaux, 48, 183–194 (article in French with English abstract)Google Scholar
  14. Bicer, O., Pekel, E., Güney, O., 1992. Effects of docking on growth performance and carcass characteristics of fat-tailed Awassi ram lambs, Small Ruminant Research, 8, 353–357CrossRefGoogle Scholar
  15. Bilgin, O. C., Emsen, E., Davis, M. E. 2004. Comparison of non-linear models for describing the growth of scrotal circumference in Awassi male lambs, Small Ruminant Research, 52, 155–160CrossRefGoogle Scholar
  16. Bingöl, M., Aygün, T., Gökdal, Ö., Yilmaz, A., 2006. The effects of docking on fattening performance and carcass characteristics in fat-tailed Norduz male lambs, Small Ruminant Research, 64, 101–106CrossRefGoogle Scholar
  17. Bradford, G. E., Quirke, J. F., Sitorus, P., Inounu, I., Tiesnamurti, B., Bell, F. L., Fletcher, I. C., Torell, D. T., 1986. Reproduction in Javanese sheep: Evidence for a gene with large effect on ovulation rate and litter size, Journal of Animal Science, 63, 418–431PubMedGoogle Scholar
  18. Dana, N., Tegene, A., Shenkoru, T., 2000. Feed intake, sperm output and seminal characteristics of Ethiopian highland sheep supplemented with different levels of leucaena (Leucaena leucocephala) leaf hay, Animal Feed Science and Technology, 86, 239–249CrossRefGoogle Scholar
  19. Dorostghoal, M., Erfani Majd, N., Goorani Nejad, S., 2009. Stereological study of Arabian ram testis during different seasons, Iranian Journal of Veterinary Research, 10: 360–366Google Scholar
  20. Dreyer, J. H., Rossouw, E., Steyn, M. G., 1983. The histology of the pre-natal follicle and hair fibre in four curl types of the Karakul sheep, South African Journal of Animal Science, 13, 180–191Google Scholar
  21. Emsen, E., Emsen, H., Yaprak, M., Ockerman, H. W., 2002. Influence of breed and diet on carcass and organoleptic properties of male Red Karaman and Tushin fat- tailed lambs, Journal of Muscle Foods, 13, 301–311CrossRefGoogle Scholar
  22. Emsen, E., 2005. Testicular development and body weight gain from birth to 1 year of age of Awassi and Redkaraman sheep and their reciprocal crosses, Small Ruminant Research, 59, 79–82CrossRefGoogle Scholar
  23. Epstein, H., 1961. The development and body composition of docked and undocked fat-tailed Awassi lambs, Empire Journal of Experimental Agriculture 29, 110–118Google Scholar
  24. Erişir, Z., Ozbey, O., 2005. The wool production characteristics in Morkaraman and Chios X Akkaraman (F1) and Kivircik X Morkaraman (F1) crossbred sheep, Journal of Animal and Veterinary Advances, 4, 360–362Google Scholar
  25. Ermias, E., Yami, A., Rege, J.E.O., 2006. Slaughter characteristics of Menz and Horro sheep, Small Ruminant Research, 64, 10–15CrossRefGoogle Scholar
  26. Esenbuga, N., Yanar, M., Dayioglou, H., 2001. Physical, chemical and organoleptic properties of ram lamp carcasses from four fat-tailed genotypes, Small Ruminant Research, 39, 99–105PubMedCrossRefGoogle Scholar
  27. Evans, A. C. O., 2003. Ovarian follicle growth and consequences for fertility in sheep, Animal Reproduction Science, 78, 289–306PubMedCrossRefGoogle Scholar
  28. Farahani, K, A. H., Shahrbabak, H. M., Shahrbabak, M. M., Yeganeh, M. H., 2010. Relationship of fat-tail and body measurements with some economic important traits in fat-tail Makoei breed of Iranian sheep. African Journal of Biotechnology, 9, 5989–5992Google Scholar
  29. Farid, A., 1991. Slaughter and carcass characteristics of three fat-tailed sheep breeds and their crosses with Corriedale and Taghee rams, Small Ruminant Research, 5, 255–271CrossRefGoogle Scholar
  30. Fozooni, R., Zamiri, M. J., 2007. Relationships between chemical composition of meat from carcass cuts and the whole carcass in Iranian fat-tailed sheep as affected by breed and feeding level, Iranian Journal of Veterinary Research, 8, 304–312Google Scholar
  31. Galal, S., Gürsoy, O., Shaat, I., 2008. Awassi sheep as a genetic resource and efforts for their genetic improvement—a review, Small Ruminant Research, 79, 99–108CrossRefGoogle Scholar
  32. Ghoneim, K. E., Kazzal, N. T., Abdallah, R., K., 1974. Some wool characteristics of Karadi sheep in northern Iraq, Journal of Agricultural Science, 83, 171–174CrossRefGoogle Scholar
  33. Gizaw, S., Lemma, S., Komen, H., Van Arendonk, J. A. M., 2007. Estimates of genetic parameters and genetic trends for live weight and fleece traits in Menz sheep, Small Ruminant Research, 70, 145–153CrossRefGoogle Scholar
  34. Gizaw, S., Komen, H., Van Arendonk, J. A. M., 2008a. Selection on linear size traits to improve live weight in Menz sheep under nucleus and village breeding programs, Livestock Science, 118, 92–98CrossRefGoogle Scholar
  35. Gizaw, S., Komen, H., Hanotte, O., Van Arendonk, J. A. M., 2008b. Indigenous sheep resources of Ethiopia: types, production systems and farmers preferences, Animal Genetic Resources Information, 43, 25–39Google Scholar
  36. Gojjam, Y., Gizaw, S., Abegaz, S., Thwaites, C. J., 1995. Relationships between body weight and scrotal characteristics, and between environmental effects and fertility in Ethiopian Horro rams, Journal of Agricultural Science, 124, 297–299CrossRefGoogle Scholar
  37. Gökdal, Ö., Aygün, T., Bingöl, M., Karakuş, F., 2003. The effects of docking on performance and carcass characteristics of male Karakaş lambs, South African Journal of Animal Science, 33, 185–192Google Scholar
  38. Gökdal, Ö., Ülker, H., Karakus, F., Cengiz, F., Temur, C., Handil, H., 2004. Growth, feedlot performance and carcass characteristics of Karakas and crossbred lambs (F1) (Ile de France x Akkaraman (G1) x Karakas) under rural farm conditions in Turkey, South African Journal of Animal Science, 34, 223–232Google Scholar
  39. Greeff, J.C., Faure, A.S., Minaar, G.J., Schoeman, S. J., 1991. Genetic and phenotypic parameters of pelt traits in a Karakul control flock, South African Journal of Animal Science, 21, 156–161Google Scholar
  40. Guirgis, R.A., 1973. The study of variability in some wool traits in a coarse wool breed sheep, Journal of Agricultural Science, 80, 233–238CrossRefGoogle Scholar
  41. Guirgis, R. A., Kazzal, N. T., Haddadine, M.S., Abdallah, R. K., 1978. A study of some wool traits in two coarse wool breeds and their reciprocal crosses, Journal of Agricultural Science, 90, 495–501CrossRefGoogle Scholar
  42. Gϋndoğan, M., Serteser, M., 2005. Some reproductive parameters and biochemical properties in Akkaraman and Awassi rams, Turkish Journal of Veterinary animal Science, 29, 595–599Google Scholar
  43. Gϋndoğan, M., 2007. Seasonal variation in serum testosterone, T3 and andrological parameters of two Turkish sheep breeds, Small Ruminant Research, 67, 312–316CrossRefGoogle Scholar
  44. Güney, O., 1990. Commercial crossbreeding between Ile-de-France, Rambouillet, Chios and local fat-tail Awassi for market lamb production, Small Ruminant Research, 3, 449–456CrossRefGoogle Scholar
  45. Hafez, E. S. E., Badreldin, A .L., Darwish, Y. H., 1955. Seasonal variations in semen characteristics of sheep in the subtropics, Journal of Agricultural Science, 45, 283–292CrossRefGoogle Scholar
  46. Hagos, T., Melaku, S., 2009. Feed intake, digestibility, body weight and carcass parameters of Afar rams fed tef (Eragrostis tef) straw supplemented with graded levels of concentrate mix, Tropical Animal Health and Production, 41, 599–606PubMedCrossRefGoogle Scholar
  47. Hankins, O. G., Hiner, R. L., Simmons, V. L., 1951. A study of meat characteristics of Karakul sheep, Journal of Animal Science, 10, 399–410PubMedGoogle Scholar
  48. Hardy, J. I., Simmons, V. L., 1943. Ear measurements in relation to pelt thickness and fur characters of Karakul lambs, Journal of Animal Science, 2, 146–151Google Scholar
  49. Hayder, M., Ali, A., 2008. Factors affecting the postpartum uterine involution and luteal function of sheep in the subtropics, Small Ruminant Research, 79, 174–178CrossRefGoogle Scholar
  50. Hibret, A., Toé, F., Mukasa-Mugerwa, E., Kassa, T., Markos, T., 2001. Genital disorders, linear and testicular characteristics in Menz rams, Tropical Animal Health and Production, 33, 219–227PubMedCrossRefGoogle Scholar
  51. Intergovernmental Technical Working Group on Animal Genetic Resources for Food and Agriculture (ITWG/AGenR), 2010. http://www.fao.org/ag/againfo/programmes/en/genetics/angrvent-docs.html
  52. Iñiguez, L., Hilali, M., Thomas, D. L., Jesry, G., 2009. Udder measurements and milk production in two Awassi sheep genotypes and their crosses, Journal of Dairy Science, 92, 4613–4620PubMedCrossRefGoogle Scholar
  53. Izadifard, J., Zamiri, M. J., 1997. Lactation performance of two Iranian fat-tailed sheep breeds, Small Ruminant Research, 24, 69–76CrossRefGoogle Scholar
  54. Izadifard, J., Zamiri, M.J., 2007. Effects of supplementary feeding on growth and carcass characteristics of fat-tailed lambs grazing cereal stubble, Iranian Journal of Veterinary Research, 8, 123–130Google Scholar
  55. Jawasreh, K. I. Z., Khasawneh, A. Z., 2007. Studies of some economic characteristics on Awassi lambs in Jordan, Egyptian Journal of Sheep and Goat Sciences, 2, 101–110Google Scholar
  56. Joubert, D. M., Nel, J.Y., Steynberg, H., 1962. Influence of tail development on growth and carcass quality of Karakul ewes, Tydskrif Natuurwet, 2, 99–104Google Scholar
  57. Joubert, D. M., Ueckerman, L., 1971. A note on the effect of docking on fat deposition in fat-tailed sheep, Animal Production, 13, 191–192CrossRefGoogle Scholar
  58. Juma, K. H., Dessouky, F., 1969. Semen characteristics of Awassi rams, Journal of Agricultural Science, 73, 311–314CrossRefGoogle Scholar
  59. Juma, K. H., Alkass, J. E., 2006. Genetic and phenotypic parameters of some economic characteristics in Awassi sheep of Iraq: A review, Egyptian Journal of Sheep, Goat and Desert Animals Sciences, 1, 15–29Google Scholar
  60. Kafi, M., Safdarian, M., Hashemi, M., 2004. Seasonal variation in semen characteristics, scrotal circumference and libido of Persian Karakul rams, Small Ruminant Research, 53, 133–139CrossRefGoogle Scholar
  61. Kahtuei R. M, Shahneh A. Z, Sharebabak M. M., 2008. Lactation performance and suckling lamb growth of Kermani fat-tailed ewe, Journal of Animal and Veterinary advances, 7, 1575–1578Google Scholar
  62. Karakus, K., Seckin Tuncer, S., Arslan, S., 2005. Comparison of the fleece characteristics of Karakas and Norduz sheep (Local ewes of Turkey), Journal of Animal and Veterinary Advances, 4, 563–565Google Scholar
  63. Kashan, N. E. J., Manafi Azar, G. H., Afzalzadeh, A., Salehi, A., 2005. Growth performance and carcass quality of fattening lambs from fat-tailed and tailed sheep breeds, Small Ruminant Research, 60, 267–271CrossRefGoogle Scholar
  64. Kaymakçi, M., Oğuz, İ., Űn, C., Bilgen, G., Taşkin, T., 2001. Basic characteristics of some Turkish indigenous sheep breeds, Pakistan Journal of Biological Sciences, 4, 916–919CrossRefGoogle Scholar
  65. Keskin, I., Dag, B., 2009. Investigation of relationship amongst milk and wool yield traits of Awassi sheep by using canonical correlation analysis, Journal of Animal and Veterinary Advances, 8, 464–468Google Scholar
  66. Khaldari, M., Kashan, N. E. J., Afzalzadeh, A., Salehi, A., 2007. Growth and carcass characteristics of crossbred progeny from lean-tailed and fat-tailed sheep breeds, South African Journal of Animal Science, 37, 51–56Google Scholar
  67. Kheradmand, A., Babaei, H., 2006. Effect of ewe breed on the reaction time and semen characteristics in the ram, Iranian Journal of Veterinary Research, 7, 23–26 (in Persian with English abstract)Google Scholar
  68. Kiracofe, G.H., 1980. Uterine involution: Its role in regulating postpartum intervals, Journal of Animal Science, 51, 16–28PubMedGoogle Scholar
  69. Kirmizibayrak, T., Saatci, M., Aksoy, A. R., 2003. Slaughter and carcass characteristics of Tushin and Red Karaman lambs raised in semi intensive conditions, Kafkas University Veterinary Medical Journal, 9, 75–78Google Scholar
  70. Kridli, R. T., Abdullah, A. Y., Shaker, M.M., 2006. Sexual performance and reproductive characteristics of young adult Awassi, Charollais-Awassi and Romanov-Awassi rams, Sheep and Goat Research Journal, 21, 12–16Google Scholar
  71. Kridli, R. T., Al-Yacoub, A. N., 2006. Sexual performance of Awassi ram lambs reared in different sex composition groups, Applied Animal Behaviour Science, 96, 261–267CrossRefGoogle Scholar
  72. Kridli, R. T., Shaker, M. M., Abdullah, A. Y., Muwall, M.M., 2007. Sexual behavior of yearling Awassi, Charollais X Awassi and Romanov X Awassi rams exposed to oestrous Awassi ewes, Tropical Animal Health and Production, 39, 229–235PubMedCrossRefGoogle Scholar
  73. Kunene, N., Nesamvuni, E. A., Fossey, A., 2007. Characterization of Zulu (Nguni) sheep using linear body measurements and some environmental factors affecting these measurements, South African Journal of Animal Science, 37, 11–20Google Scholar
  74. Labussière, J., 1988. Review of physiological and anatomical factors influencing the milking ability of ewes and the organization of milking, Livestock Production Science, 18, 253–274CrossRefGoogle Scholar
  75. Lambe, N. R., Navajas, E. A., Bünger, L., Fisher, A. V., Roehe, R., Simm, G., 2009. Prediction of lamb carcass composition and meat quality using combinations of post-mortem measurements, Meat Science, 81, 711–719CrossRefGoogle Scholar
  76. Lubow, A. M., 1954. Sequence and growth of primary and secondary fiber follicles in Karakul sheep, Journal of Animal Science, 13, 765–780Google Scholar
  77. Macit, M., 2002. Growth and carcass characteristics of male lambs of the Morkaraman breed, Small Ruminant Research, 43, 191–194CrossRefGoogle Scholar
  78. Macit, M., Esenbuga, N., Karaoglu, M., 2002. Growth performance and carcass characteristics of Awassi, Morkaraman and Tushin lambs grazed on pasture and supported with concentrate, Small Ruminant Research, 44, 241–246CrossRefGoogle Scholar
  79. Marai, I. F. M., Nowar, M.S., Bahgat, L. B., 1987. Effect of docking and shearing on growth and carcass traits of fat-tailed Ossimi sheep, Journal of Agricultural Science, 109, 513–518Google Scholar
  80. Marai, I. F. M., El-Gaafary, M. N., Ahmed, B. A. K., 1992. A note on effects of docking on skin structure and characteristics of the fleece in Rahmani fat-tailed sheep, Animal Production, 55, 292–294CrossRefGoogle Scholar
  81. Marai, I. F. M., Bahgat, I. B., 2003. Fat-tailed sheep traits as affected by docking, Tropical Animal Health and Production, 35, 351–363PubMedCrossRefGoogle Scholar
  82. Marai, I. F. M., El- Darawany, A. A., Fadiel, A., Abdel-Hafez, M. A. M., 2008. Reproductive performance traits as affected by heat stress and its alleviation in sheep, Tropical and Subtropical Agroecosystems, 8, 209–234Google Scholar
  83. Mert, H., Karakus, K., Yilmaz, A., Aygun, T., Mert, N., Apaydin, B., Seydan, E., 2009. Effects of genotype on testis, semen quality, and mineral composition of semen in various ram breeds, Biological Trace Elements Research, 132, 93–102CrossRefGoogle Scholar
  84. Moharrery, A., 2007. Effect of docking and energy of diet on carcass fat characteristics in fat-tailed Badghisian sheep, Small Ruminant Research, 69: 208–216CrossRefGoogle Scholar
  85. Momani Shaker, M., Abdullah, A. Y., Kridli, R. T., Bláha, J., Šáda, I., Sovják, R., 2002. Fattening performance and carcass value of Awassi ram lambs, F1 crossbreds of Romanov x Awassi and Charolais x Awassi in Jordan, Czech Journal of Animal Science, 47, 429–438Google Scholar
  86. Mukasa-Mugerwa, E., Ezaz, Z., 1992. Relationship of testicular growth and size to age, body weight and onset of puberty in Menz ram lambs, Theriogenology, 38, 979–988PubMedCrossRefGoogle Scholar
  87. Mukasa-Mugerwa, E., Lahlou-Kassi, A., 1995. Reproductive performance and productivity of Menz sheep in the Ethiopian highlands, Small Ruminant Research, 17, 167–177CrossRefGoogle Scholar
  88. Nsoso, S. J., Podisi, B., Otsogile, E., Mokhutshwane, B.S., Ahmadu, B., 2004. Phenotypic characterization of indigenous Tswana goats and sheep breeds in Botswana: Continuous traits, Tropical Animal Health and Production, 36, 789–800PubMedCrossRefGoogle Scholar
  89. Obeidat, B.S., Aloqaily, B. H., 2010. Using sesame hulls in Awassi lambs diets: Its effect on growth performance and carcass characteristics and meat quality, Small Ruminant research, 91, 225–230CrossRefGoogle Scholar
  90. Ocak, S., Emsen, E., Köyecegiz, F., Kutluca, M., Önder, H., 2009. Comparison of placental traits and their relation to litter size and parity weight in sheep, Journal of Animal Science, 87, 3196–3201PubMedCrossRefGoogle Scholar
  91. Orman, A., Çalişkan, G. Ü., Dikmen, S., Üstüner, H., Moustafa Ogan, M., Çalişkan, Ç., 2008. The assessment of carcass composition of Awassi male lambs by real-time ultrasound at two different live weights, Meat Science, 80, 1031–1036CrossRefGoogle Scholar
  92. Orman, A., Caliskan, G. U., Dikmen, S., 2010. The assessment of carcass traits of Awassi lambs by real-time ultrasound at different body weights and sexes, Journal of Animal Science, 88, 3428–3438PubMedCrossRefGoogle Scholar
  93. Owen, J. E., Norman, G. A., Fisher, I. L., Frost, R.A., 1977. Studies on the meat production characteristics of Botswana goats and sheep—Part I: Sampling, methods and materials, and measurements on the live animals, Meat Science, 1, 63–85CrossRefGoogle Scholar
  94. Rege, J. E. O., Toe, F., Mukasa-Mugerwa, E., Tembely, S., Amindo, D., Baker, R. L., Lahlou-Kassi, A., 2000. Reproductive characteristics of Ethiopian highland sheep II. Genetic parameters of semen characteristics and their relationships with testicular measurements in ram lambs, Small Ruminant Research, 37, 173–187PubMedCrossRefGoogle Scholar
  95. Romdhani, S. B., Djemali, M., 2006. Estimation of sheep carcass traits by ultrasound technology, Livestock Science, 101, 294–299CrossRefGoogle Scholar
  96. Rovai, M., Caja, G., Such, X., 2008. Evaluation of udder cisterns and effects on milk yield of dairy ewes, Journal of Dairy Science, 91, 4622–4629PubMedCrossRefGoogle Scholar
  97. Safari, E., Fogarty, N.M., Gilmour, A. R., 2005. A review of genetic parameter estimates for wool, growth, meat and reproduction traits in sheep, Livestock Production Science, 92, 271–289CrossRefGoogle Scholar
  98. Safdarian, M. M., Zamiri, M. I., Hashemi, M., Noorolahi, H., 2008. Relationships of fat-tail dimensions with fat-tail weight and carcass characteristics at different slaughter weights of Torki-Ghashghaii sheep, Meat Science, 80, 686–689CrossRefGoogle Scholar
  99. Sahin, E. H., Yardimci, M., Cetingul, I. S., Bayram, I., Sengor, E., 2008. The use of ultrasound to predict the carcass composition of live Akkaraman lambs, Meat Science, 79, 716–721CrossRefGoogle Scholar
  100. Salhab, S. A., Zarkawi, M., Wardeh, M. F., Al-Masri, M. R., Kassem, R., 2001. Development of testicular dimensions and size, and their relationship to age, body weight and parental size in growing Awassi ram lambs, Small Ruminant Research, 40, 187–191PubMedCrossRefGoogle Scholar
  101. Salhab, S. A., Zarkawi, M., Wardeh, M. F., Al-Masri, M. R., Kassem, R., 2003. Characterization and evaluation of semen in growing Awassi ram lambs, Tropical Animal Health and Production, 35, 455–463PubMedCrossRefGoogle Scholar
  102. Sarvar, N. E., Moeini, M. M., Poyanmehr, M., Mikaeli, E., 2009. The effects of docking on growth traits, carcass characteristics and blood biochemical parameters of Sanjabi fat-tailed lambs, Asian-Australasian Journal of Animal Science, 22, 796–802Google Scholar
  103. Schoeman, S. J., 1998. Genetic and environmental factors influencing the quality of pelt traits in Karakul sheep, South African Journal of Animal Science, 28, 125–139Google Scholar
  104. Sefidbakht, N., Mostafavi, M.S., Farid, A., 1977. Effect of season of lambing on postpartum ovulation, conception and follicular development of four fat-tailed Iranian breeds of sheep, Journal of Animal Science, 45, 305–309PubMedGoogle Scholar
  105. Sefidbahkt, N., Mostafavi, M.S., Farid, A. 1978. Annual reproductive rhythm and ovulation rate in four fat-tailed sheep breeds, Animal Production, 26, 177–184CrossRefGoogle Scholar
  106. Shabankareh, H. K., Habibizad, J., Sarsaifi, K., Cheghamirza, K., Jasemi, V. K., 2010. The effect of the absence or presence of a corpus luteum on the ovarian follicular population and serum oestradiol concentrations during the estrous cycle in Sanjabi ewes, Small Ruminant Research, 93, 180–185CrossRefGoogle Scholar
  107. Sharafeldin, M. A., 1965. Wool characteristics of Iraqi Awassi sheep, Journal of Agricultural Science, 65, 223–225CrossRefGoogle Scholar
  108. Shelton, M., Willingham, T., Thompson, P., Roberts, E. M., 1991. Influence of docking and castration on growth and carcass traits of fat-tail Karakul, Rambouillet and crossbred lambs, Small Ruminant Research, 4, 235–243CrossRefGoogle Scholar
  109. Tabbaa, M. J., Al-Azzawi, W. A., Campbell, D., 2001. Variation in fleece characteristics of Awassi sheep at different ages, Small Ruminant Research, 41, 95–100PubMedCrossRefGoogle Scholar
  110. Tabbaa, M. J., Kridli, R. T., Amashe M. G., Barakeh F. S., 2006. Factors affecting scrotal circumference and semen characteristics of Awassi rams, Jordan Journal of Agricultural Sciences, 2,243–250Google Scholar
  111. Taha, T. A., Abdel-Gawad, E.I., Ayoub, M.A., 2000. Monthly variations in some reproductive parameters of Barki and Awassi rams throughout 1 year under subtropical conditions 1. Semen characteristics and hormonal levels Animal Science 71, 317–324Google Scholar
  112. Teke, B., Űnal, N., 2009. The effects of slaughter weight and sex on some slaughter traits of Akkaraman and Morkaraman and Turkish Merino lambs, Ankara Űniv. Vet. Fak. Derg., 56, 289–296CrossRefGoogle Scholar
  113. Tilki, M., Saatci, M., Aksoy, A. R., Kirmizibayrak, T., 2010. Effect of tail docking on growth performance and carcass traits in Turkish Tuj lambs, Journal of Animal and Veterinary Advances, 9, 2094–2097CrossRefGoogle Scholar
  114. Toe, F., Rege, J. E. O., Mukasa-Mugerwa, E., Tembely, S., Anindo, D., Baker, R. L., Lahlou-Kassi, A., 2000. Reproductive characteristics of Ethiopian highland sheep I. Genetic parameters of testicular measurements in ram lambs and relationship with age at puberty in ewe lambs, Small Ruminant Research, 36, 227–240PubMedCrossRefGoogle Scholar
  115. Topal, M., Yildiz, N., Esenbuğa, N., Aksakal, V., Macit, M., Özdemir, M., 2003. Determination of best fitted regression model for estimation of body weight in Awassi sheep, Journal of Applied Animal Research, 23, 201–208.Google Scholar
  116. Topal, M., Macit, M., 2004. Prediction of body weight from body measurements in Morkaraman sheep, Journal of Applied Animal Research, 25, 97–100Google Scholar
  117. Tufan, M., Akmaz, A., 2001. Slaughter and carcass traits of Güney Karaman, Kangal-Akkaraman and Akkaraman lambs at different slaughter weights, Turkish Journal of Veterinary Animal Science, 25, 495–504Google Scholar
  118. Ünal, N., Akçapinar, H., Aytaç, M., Atasoy, F., 2006. Fattening performance and carcass traits in crossbred ram lambs, Medycyna Weterynaryjna, 62, 401–404Google Scholar
  119. Vatankah, M., Talebi, M. A., 2008. Genetic parameters of body weight and fat-tail measurements in lambs, Small Ruminant Research, 75, 1–6CrossRefGoogle Scholar
  120. Webb, R., Gauld, I. K., Driancourt, M.A., 1989. Morphological and functional characterization of large antral follicles in three breeds of sheep with different ovulation rates, Journal of Reproduction and Fertility, 87, 243–255PubMedCrossRefGoogle Scholar
  121. Wilson, M. E., 2002. Role of placental function in mediating conceptus growth and survival, Journal of Animal Science 80 Supplement 2, E195–E201Google Scholar
  122. Yaprak, M., Koycegiz, F., Kutluca, M., Emsen, E., Ockerman, H. W., 2008. Canonical correlation analysis of body measurements, growth performance and carcass traits of Red Karaman lambs, Journal of Animal and Veterinary Advances, 7, 130–136Google Scholar
  123. Zamiri, M. J., Izadifard, J., 1997. Relationship of fat-tail weight with fat-tail measurements and carcass characteristics of Mehraban and Ghezel rams, Small Ruminant Research, 26, 261–266CrossRefGoogle Scholar
  124. Zamiri, M. J., Khodaei, H.R., 2005. Seasonal thyroidal activity and reproductive characteristics of Iranian fat-tailed rams, Animal Reproduction Science, 88, 245–255PubMedCrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Laboratory of Anatomy, Histology & Embryology, Veterinary SchoolUniversity of ThessalyKarditsaGreece

Personalised recommendations