Íslenskar landbúnaðarrannsóknir - 01.09.1977, Qupperneq 108

Íslenskar landbúnaðarrannsóknir - 01.09.1977, Qupperneq 108
106 ÍSLENZKAR LANDBÚNAÐARRANNSÓKNIR 1974: Kynbótaskipulag fyrir íslenska kúastofn- inn. Isl. landbúnaðarranns. 6 (1—2): 49—63. Lindström, U., Maijala, K. og Vilva, V., 1971: Studies on AI dairy sire provings. II. Sire x region-interaction. Z. Tierzuchtg. Zuchtungs- biol., 88: 1—11. Mao, I. L. og Bmnside, E. B., 1969: Sire by herd environment interaaion for milk produaion. J. Dairy Sci., 52: 1055—1062. Mason, I. L. og Robertsson, A., 1956: The pro- geny testing of dairy bulls at different levels of produaion. J. Agric. Sci., 47: 367—375. McDaniel, B. T. og Corley, E. L., 1967: Rela- tionships between sire evaluations at different herdmate levels. J. Dairy Sci., 50: 735—741. Norman, H. D., 1974: Factors that should be considered in a national sire summary model. J. Dairy Sci., 57: 955—962. Petersen, P. H., 1975: Genotype-environment in- teraction in milk produaion under Danish and Bulgarian-Czeckoslowakian conditions. Anim. Prod., 21: 101—108. Rickardson, D. O., Owen, J. R., Plowman, R. D. og Miles, J. T., 1971: Importance of sire ration interaction in produaion and feed intake traits of dairy cattle. J. Dairy Sci., 54: 1518—1525. Robertson, A., 1959: The sampling variance of the genetic correlation coeffident. Biometrics, 15: 469—485. Robertson, A., 1960: The progeny testing of dairy bulls. A comparison of tests on father and son. J. Agric. Sci., 54: 100—104. Robertson, A. og Mason, I. L., 195'6: The progeny testing of dairy bulls. A comparison of special station and field results. J. Agric. Sci., 47: 376—381. Robertson, A., O’Connor, L. K. og Edwards, J., 1960: Progeny testing dairy bulls at different management levels, Anim. Prod., 2: 141—152. Robertson, A. og Rendel, J. M., 1954: The per- formance of heifers got by artificial insemina- tion. J. Agric. Sci., 44: 184—192. Robertson, A., Stewart, A og Ashton, E. D., 1956: The progeny assessment of dairy sires for milk: The use of contemporary comparisons. Proc. Brit. Soc. Anim. Prod. 1956: 43—50. Rönningen, K., 1967: Phenotypic and genetic parameters for characters related to milk pro- duaion in cattle. Aaa Agr. Scand., 17: 83— 100. Stefánsson, Ólafur E., 1968: Nautgriparækt. í Bættir eru bænda hættir, Þorri s/f Reykjavík, 1968: 95—106. Syrstad, O., 1966: Studies on dairy herd records. IV. Estimates of phenotypic and genetic para- meters. Aaa Agr. Scand., 16: 79—96. Syrstad, O., 1973: Opaimum stage of seleaing among progeny tested bulls. Meld. Norg. Land- br. Högsk., 52 nr. 26, 13 s. Syrstad, O., 1976: Samspill arv-kraftfornivá i mjölkproduksjonen. Meld. Norg. Landbr. Hög- sk., 55 nr. 20, 8 s. Tochberry, R. W., Rottersten, K. og Andersen, H., 1960: A comparison of dairy sire progeny tests made at special testing stations with tests made in farmer herds. J. Dairy Sci., 43: 529 —543. Van Vleck, L. D., 1963: Genotype and environ- ment in sire evaluation. J. Dairy Sci., 46: 983 —987. Van Vleck, L. D., Wadell, L. H. og Henderson, C. R., 1961: Components of variance associated with milk and fat records of artificially sired Holstein daughters. J. Anim. Sci., 20: 812— 8i6. Odegárd, A. K., 1968: Relationship between pro- geny tests of fathers and sons. Acta Agr. Scand., 18: 143—144. Odegárd, A. K. og Robertson, A., 1967: A com- parison of progeny tests for milk production on fathers and sons. Aaa Agr. Scand., 17: 241— 246.
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