Volume 2, Issue 1, January 2016, Page: 1-5
Genetic Evaluation of Iraqi Awassi Rams According to Some Growth Traits of Their Progeny Lambs
Firas R. Al-Samarai, Department of Veterinary, Public Health, College of Veterinary Medicine, University of Baghdad, Baghdad, Iraq
Fatten A. Mohammed, Department of Animal Resources, Directorate of Baghdad Agriculture, Ministry of Agriculture, Baghdad, Iraq
Falah H. Al-Zaydi, Department of Animal Resources, Directorate of Baghdad Agriculture, Ministry of Agriculture, Baghdad, Iraq
Nasr N. Al-Anbari, Department of Animal Resources, College of Agriculture, University of Baghdad, Baghdad, Iraq
Yehya K. Abdulrahman, Department of Veterinary, Public Health, College of Veterinary Medicine, University of Baghdad, Baghdad, Iraq
Received: Dec. 13, 2015;       Accepted: Dec. 17, 2015;       Published: Jan. 5, 2016
DOI: 10.11648/j.ajasr.20160201.11      View  4156      Downloads  201
This study was carried out on the research station of sheep and goat (Abo Gharib, west of Baghdad, Iraq) to evaluate the 120 Awassi rams for the birth weight (BW), weight at weaning (WW) and pre-weaning daily gains (DG) of their lambs after adjusting to the effects of parity, year of birth, sex, and type of birth (single, twin). Restricted Maximum Likelihood (REML) method in a mixed model (paternal half sib) was utilized to estimate the heritability (h²) for above mentioned traits. Proc mixed in SAS program was used to estimate Best Linear Unbiased Prediction (BLUP) values of rams for the three studied traits. The results revealed that the means of BW, WW and DG were 3.85, 26.64 and 0.181kg respectively. The studied traits were significantly (P < 0.01) affected by all fixed effects except the effect of ram on WW and DG which was significant (P < 0.05). Heritability estimates (h²) of BW, WW and DG were 0.23, 0.12 and 0.19 respectively. The lowest and highest BLUP values for the mentioned traits were -0.325, 0.255 kg, -1.142, 1.284 kg, and -0.103, 0.053 kg respectively. In conclusion: the results indicated that selection of rams for DG and BW could play an important role for improving the growth traits of Awassi sheep due to the high range among BLUP values along with the acceptable estimations of heritability.
Awassi Lamb, Birth Weight, Weaning Weight, Heritability
To cite this article
Firas R. Al-Samarai, Fatten A. Mohammed, Falah H. Al-Zaydi, Nasr N. Al-Anbari, Yehya K. Abdulrahman, Genetic Evaluation of Iraqi Awassi Rams According to Some Growth Traits of Their Progeny Lambs, American Journal of Applied Scientific Research. Vol. 2, No. 1, 2016, pp. 1-5. doi: 10.11648/j.ajasr.20160201.11
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AbiSaab, S., Sleiman, F. T. (1995). Physiological responses to stress of filial crosses compared to local Awassi sheep. Small Rum. Res., 16: 55-59.
Abou-Bakr, S. (2009). Genetic and phenotypic trends of 305-day milk yield of Holstein cows raised at commercial farm in Egypt. Egyptian J. Anim. Prod., 46: 85-92.
Aga Khan Foundation (AKF). (2006). Report of the Rural Support Program Activities. Salamieh, Hama (in Arabic).
Aksakal, V., Macit, M., Esenbuga, N. (2009). Effect of various ages of weaning on growth characteristics, survival rate and some body measurements of Awassi lambs. J. Anim. Vet. Adv., 8: 1624–1630.
Al-Barzinji, Y. M. S., Othman, G. U. (2013). Genetic Polymorphism in FecB Gene in Iraqi Sheep Breeds Using RFLP-PCR Technique. IOSR Journal of Agriculture and Veterinary Science. 2: 46–48.
Al-Hilliali, A. H. (1982). Genetic analysis of some post-weaning productive characteristics in Awassi sheep. M. Sc. Thesis, Agricultural University Baghdad, Baghdad.
Al- Jalili, Z. F., Al-Azzawi, W. A. R., Mohammed, Q. S. (2006). The effect of type of birth of both ewe and lambs and other factors on lamb birth and weaning weights. Egyptian J. Sheep, Goat Desert Anim. Sci., 1: 31-40.
Alkass, J. E., Alrawi, A. A., Al-Hillali, A. H., Al-Tayy, H. M. A. (1986). Body weight of horne-vs-polled-sired Awassi lambs. 3rd World Congress on Genetics Applied to Livestock Production. Paper 3. http://digitalcommons.unl.edu/wcgalp/3.
Alkass, J. E., Aziz, D. A., Hermiz, D. A. (1991). Genetic parameters of growth traits in Awassi sheep. Emirates J. of Agric. Sci., 3: 152-161.
Al-Khazrji, W. J., Al-Samari, W. A., Ajil, A. M. (2014). The effect of some genetic and nongenetic factors on fertility and growth traits in Awassi sheep. The Iraqi J. Agric. Sci. 45: 205–211.
Al-Rawi, A. A., Badawi, F. S., Said, A. S. I., Faraj, M. S. (1982). Genetic and phenotypic Parameter estimates for growth traits in awassi sheep. (Abst.) Proceeding American Society Animal Science Meeting, 38: 35.
Al-Salman, M. H. (2009). Some factors influencing growth of Awassi lambs and their crosses from birth till weaning and weight at the age of 6 months, Al-Anbar J. Agric. Sci., 7: 128–136.
Al-Wahab, R. M. H. (2003). Effects of crossing Finnrams with Awassi sheep on prolificacy and other quantitative traits, J. Bio. Sci., 3: 32-42.
Aziz, D. A. (1977). Genetic, non-genetic parameters of some traits in Awassi sheep. MS. Thesis, College of Agriculture, Forestry, Univ. of Mosul (In Arabic).
Dikmen, S., Turkmen, I. I., Üstüner, H., Alpay, F., Balcı, F., Petek, M., Ogan, M. M. (2007). Effect of weaning system on lamb growth and commercial milk production of Awassi dairy sheep. Czech J. Anim. Sci., 52: 70–76.
Dzakuma, J. M., Nielsen, M. K., Doane, T. H. (1978). Genetic and phenotypic parameters of lamb weight. (Abst.) Proceeding American Society Animal Science Meeting, 45: 16.
ElWakil, S. L., ElSayed, M., Ahmed, A. M., Sadek, R. R., Nigm, A. A. (2009). Genetic and phenotypic parameters of birth, weaning and yearling body weights of Barki sheep raised in the North West coast of Egypt. Egyptian J. Anim. Prod., 46: 43-52.
Esenbuğa, N., Dayıoğlu, H. (2002). Effects of some environmental factors on growth traits of Awassi and Redkaraman lambs. Turk. J. Vet. Anim. Sci., 26: 145–150.
Ghoneim, K. E., Shrode, R. R., Abdallah, R. K. (1982). Statistical analysis of birth weight in Awassi sheep in northern Iraq. Proceedings of the Sixth International Conference on Animal and Poultry Production held at University of Zagazig, Zagazig, Egypt, 21-23 September. 2: 488-496.
Gursoy, O., Kirk, K., Cebeci, Z., Pollot, G. E. (1995). Genetic evaluation of growth performance in Awassi sheep. In: Gabiña D. (ed.) Strategies for sheep and goat breeding; Zaragoza: CIHEAM, p. 193-201. (Cahiers Options Méditerranéennes; n. 11). Meeting of the joint FAO/CIHEAM Network on Sheep and Goats, Subnetwork on Animal Resources, 1995/03/26-28, Sidi-Thabet (Tunisia). http://om.ciheam.org/om/pdf/c11/96605556.pdf
Hassen, Y., Sölkner, J., Fuerst-Waltl, B. (2004). Body weight of Awassi and indigenous Ethiopian sheep and their crosses. Small Rum. Res., 55: 51–56.
Jawasreh, K. I. Z., Khasawneh, A. Z. (2007). Studies of some economic characteristic on Awassi lambs in Jordan. Egyptian J. of Sheep and Goats Sciences, 2: 76–85.
Kamber, F. H. (1987). Studies on some factors affecting milk production and growth of lambs from birth to weaning in Awassi sheep. MS. Thesis, College of Agriculture, Forestry, Univ. of Mosul (In Arabic).
Khalaf, A. I., Said, S. I., Edriss, S. M. (2010). Role of some genetic and environmental factors in growth traits of Turkish Awassi, local and crossbred lambs. The Iraqi J. Agric. Sci., 41: 12-22.
Kingwell, R. S., Abdil-Ghadim, K. A. (1995). Robinson, A. D.: Introducing Awassi sheep to Australia: an application of farming system models. Agric. Systems., 47: 451-471.
Kridli, R. T., Abdullah, A. Y., Shaker, M. M., Al-Smadi, N. M. (2007). Reproductive performance and milk yield in Awassi ewes following crossbreeding. Small Rum. Res., 71: 103–108.
Kazzal, N. T. (1973). Evaliuation of some genetic and environmental factors affecting growth and development of Awassi. Ph. D. Dissertation, Univ. Tennessee, Knoxville, Tennessee, USA.
Křížek J., Louda F., Jakubec V., Řeháček E. (1983): Genetické a negenetické factory ovlivňující mateřské vlastnosti ovcí. Živoč. Výr. 28, 63–68.
Lightfoot, J. (1988). The Awassi fat tail sheep. J. Agric., Western Australia., 28: 107-113.
Obaido, M. (2010). Characterization and comparative evaluation of sheep production under traditional and improved management conditions of central Syria: MSc Thesis, Dep. of Anim. Sci. Çukurova University. Turkey.
Özcan, M., Altinel, A., Yilmaz, A., Güneş, H. (2001). Studies on the Possibility of Improving Lamb Production by Two-way and Three-way Crossbreeding with German Black-Headed Mutton, Kıvırcık and Chios Sheep Breeds 1. Fertility, Lamb Survival and Growth of Lambs. Turk. J. Vet. Anim. Sci., 25: 687–694.
SAS, (2010). Statistical Analysis System. Version 9.1, SAS Institute Inc., Cary NC, USA.
Shaker, M. M., Abdullah, A. Y., Kridli, R., Šáda, I., Sovjak, R., Muwalla, M. M. (2002). Effect of crossing indigenous Awassi sheep breed with mutton and prolific sire breeds on the growth performance of lambs in a subtropical region. Czech J. Anim. Sci., 47: 239–246.
Sunderman, F., Johns, M. (1994). Awassi fat tail- a chance for premium export. J. Agric., Western Australia., 35: 99-105.
Tabbaa, M. J., Alnimer, M. A., Shboul, M., Titi, H. H. (2008). Reproductive characteristics of Awassi ewes mated artificially or naturally to Jordanian or Syrian Awassi rams. Anim. Reprod., 5: 23-29.
Thrift, F. A., Whiteman, J. V., Kratzer, D. D. (1973). Genetic analysis of preweaning and postweaning lamb growth traits. J. Anim. Sci., 36: 640–643.
Todorovski, N. (1988). The improved Awassi breed of sheep is wholly acclimatized to the natural conditions of Macedonia-Yugoslavia. Proceedings of the Third World Congress on Sheep and Beef Cattle Breeding, Paris, France, 2: 739-742.
Üstüner, H., Oğan, M. M. (2013). Main productive performance of Awassi sheep in the Central Anatolian Region of Turkey. Turk. J. Vet. Anim. Sci., 37: 271-276.
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