Genetic parameters of production and fertility traits in Hungarian Merino sheep

Journal of Animal Breeding and Genetics

Volumn 116, Issue 5, 1999, Pages 399-413

  Nagy, I ^a   Solkner J ^b   Komlosi I ^a   Safar L ^c  

^a UNIVERSITY OF DEBRECEN   (Hungary)

^b UNIVERSITY OF NATURAL RESOURCES AND LIFE SCIENCES   (Austria)

^c Hung Sheep Breeders' Association   (Hungary)

Author keywords

[No Author keywords available]

Indexed keywords

OVIS ARIES;

EID: 0442298655     PISSN: 09312668     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1439-0388.1999.00204.x     Document Type: Article

References (25)

1. ABDULKHALIQ, A. E.; HARVEY, W. R.; PARKER, C. F., 1989: Genetic parameters for ewe productivity traits in the Columbia, Suffolk and Targhee breeds. J. Anim. Sci. 67: 3250-3257.
2. AL-SHOREPY, S. A.; NOTTER, D. R., 1996: Genetic variation and covariation for ewe reproduction, lamb growth, and lamb scrotal circumference in a fall-lambing sheep flock. J. Anim. Sci. 74: 1490-1498.
3. AP DEWI, I.; OWEN, J. B.; EL-SHEIKH, A.; AXFORD, R. F. E.; BEIGI-NASSIRI, M.; 1996: Variation in ovulation rate and litter size of Cambridge sheep. Anim. Sci. 62: 489-495.
4. ATKINS, K. D., 1990: Incorporating parameters for lifetime productivity into breeding objectives for sheep. Proceedings of the 4th World Congress on Genetics Applied to Livestock Production, Edinburgh, XV: 17-26.
5. BLAIR, H. T.; GARRICK, D. J.; RAE, A. L.; WICKHAM, G. A., 1985: Selection responses in New Zealand Romney sheep. 2. Selection for yearling greasy fleece weight. NZ J. Agr. Res. 28: 257-264.
6. BUNGE, R.; THOMAS, D. L.; STOOKEY, J. M., 1990: Factors affecting productivity of Rambouillet ewes mated to ram lambs. J. Anim. Sci. 68: 2253-2262.
7. CAMERON, N. D., 1997: Selection Indices and Prediction of Genetic Merit in Animal Breeding. CAB International. Wallingford.
8. FAHMY, M. H., 1990: Development of DLS breed of sheep: genetic and phenotypic parameters of date of lambing and litter size. Can. J. Anim. Sci. 70: 771-778.
9. FOGARTY, N. M., 1995: Genetic parameters for live weight, fat and muscle measurements, wool production and reproduction in sheep: a review. Anim. Breed. Abstract. 63: 101-143.
10. GROENEVELD, E., 1990: PEST Users' Manual. Federal Agricultural Research Centre (FAL), Neustadt.
11. _, 1996: REML VCE Users' GUIDE. Federal Agricultural Research Centre (FAL), Neustadt.
12. JURADO, J. J.; ALONSO, A.; ALENDA, R., 1994: Selection response for growth in a Spanish Merino flock. J. Anim. Sci. 72: 1433-1440.
13. KUMAR, N.; REHEJA, K. L., 1993: Genetic and phenotypic parameters of growth and reproduction traits in UAS strain of sheep estimated by multitrait animal model. Ind. J. Anim. Sci. 63: 978-983.
14. LONG, T. E.; THOMAS, D. L.; FERNANDO, R. L.; LEWIS, J. M.; GARRIGUS, U. S.; WALDRON, D. F., 1989: Estimation of individual and maternal heterosis, repeatability and heritability for ewe productivity and its components in Suffolk and Targhee sheep. J. Anim. Sci. 67: 1208-1217.
15. MAVROGENIS, A. P., 1988: Adjustment factors for growth traits of Chios sheep. Livest. Prod. Sci. 19: 409-416.
16. MORRIS, C. A.; JOHNSON, D. L.; SUMNER, R. M.; HIGHT, G. K.; DOBBIE, J. L.; JONES, K. R.; WRIGGLESWORTH, A. L.; HICKEY, S. M., 1996: Single trait selection for yearling fleece weight or liveweight in Romney sheep-correlated responses in liveweight, fleece traits, and ewe production. NZ J. Agr. Res. 39: 95-106.
17. NOTTER, D. R.; HOUGH, J. D., 1997: Genetic parameter estimates for growth and fleece characteristic in Targhee sheep. J. Anim. Sci. 75: 1729-1737.
18. SHRESTHA, J. N. B.; HEANEY, D. P., 1985: Genetic and phenotypic parameters of early growth traits of lambs reared artificially in a controlled environment. Can. J. Anim. Sci. 65: 37-49.
19. _; PETERS, H. F.; HEANEY, D. P.; VAN VLECK, L. D., 1996: Genetic trends over 20 years of selection in the three synthetic Arcotts, Suffolk and Finnish Landrace sheep breeds. 1. Early growth traits. Can. J. Anim. Sci. 76: 23-34.
20. STATISTICAL ANALYSES SYSTEMS INSTITUTE, 1989: SAS Users' Guide, Statistics, Version 6. SAS Institute Inc., Gary, NC.
21. SZÉKELY, P.; DOMANOVSZKY, Á.; CZINEGE, F., 1996: A juhtenyésztés eredményei. National Institute for Agricultural Quality Control, Budapest.
22. TURNER, H. N.; YOUNG, S. Y., 1969: Quantitative Genetics in Sheep Breeding. Macmillan Limited, Melbourne.
23. VERESS, L., 1969: Kvantitatív Genetikai Vizsgálatok Fésûsmerinó Állományban. PhD Dissertation, Academy of Science, Budapest.
24. _; MAGYAR, K.; KOMLÓSI, I.; HORVÁTH, I.; KOVÁCS, Z., 1995: A sheep production programme and results. Hung. Agr. Res. 4: 24-34.
25. _; NIZNIKOVSKI, R.; MEDEBEUKOV, K., 1997: Possibilities of Merino improvement and breeding integration in Central Europe and Middle Asia. Act. Agr. Hung. 45: 195-205.