Íslenskar landbúnaðarrannsóknir - 01.09.1976, Side 61

Íslenskar landbúnaðarrannsóknir - 01.09.1976, Side 61
STUDIES ON AUTUMN WEIGHT QF ICELANDIC LAMBS 59 REFERENCES — HEIMILDARRIT Aðalsteinsson, S. 1971. Kynbótaeinkunn áa. J. Agr. Res. Icel., 3, (1): 28—38. Bowman, ]. C. 1966. Meat £rom sheep. Anim. Breed. Abstr. 34, 239—319. Eikje, E. D. 1970. Nedarving av produksjonsegen- skaper hos s0yer. Husdyrfors0ksm0tet pá Nor- ges Landbrukshpgskole 3.—4. desember 1970: 18—20. Gjedram, T. 1967. Phenotypic and genetic para- meters for weight of lambs at five ages. Acta Agr. Scand., 17, 199—216. Hallgrímsson, S. 1971. Niðurstöður athugana á arfgengi á lifandi þunga og fallþunga lamba (Heritability estimates of autumn weights and carcass weights of lambs) 3pp. Mimeograph. Hohenboken, W. D. and Brinks, ]. S. 1971. Re- lationships between direct and maternal effect on growth in Herefords. II. Partitioning of covariance between relatives. J. Anim. Sci., 32: 2'6—34. Jónmundsson, J. V. 1976. Studies on autumn weights of Icelandic lambs. I. Correaion faaors fo.r autumn weights of lambs. J. Agr. Res. Icel., 8 (1): 48—53. Koch, R. M. and Clark, R. T. 1955. Genetic and environmental relationships among economic characters in beef cattle. III. Evaluating mater- nal environment. J. Anim. Sci., 14: 979—996. Osborne, R. 1957. The use of sire and dam family averages in increasing the efficiensy of selective breeding under a hierarchical mating system. Heredity, 11: 93—116. Pattie, W. A. 1965. Selection for weaning weight in Merino sheep. 1. Direct response to selec- tion. Aust. J of Exp. Agric. and Anim. Husb., 5:535—360. Robertson, A. 1959. Experimental design in the evaluation of genetic parameters. Biometrics, 15:219—226. Shelton, H. and Menzies, ]. W. 1968. Genetic parameters of some performance charaaeristics of range fine-wool ewes. J. Anim. Sci., 27: 1219—1223. Turner, H. N. and Young, S. S. Y. 1969. Quan- titative Genetics in Sheep Breeding. Cornell University Press New York, 332 pp.

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