Studies on Lactation Yield and Individual Test-day Yields of Swedish Dairy Cows

References

• Auran , T. 1976 . Studies on monthly and cumulative monthly milk yield records. III. Estimates of genetic and phenotypic parameters . Acta Agric. scand. , 26 : 3 – 9 .
   Google Scholar
• Cady , R. A. and McDowell , R. E. 1980 . Persistency and other lactation parameters in crossbred dairy cattle . J. Dairy Sci. , 63 ( Suppl. 1 ) : 111
   Google Scholar
• Congleton , W. R. Jr. and Everett , R. W. 1980 . Application of the incomplete gamma function to predict cumulative milk production . J. Dairy Sci. , 63 : 109 – 119 .
   Web of Science ®Google Scholar
• Danell , B. 1979 . Calculation of selection indexes that include highly correlated traits . Acta Agric. scand. , 29 : 103 – 107 .
   Google Scholar
• Danell , B. 1981a . Studies on lactation yield and individual testday yields of Swedish dairy cows. I. Environmental influence and development of adjustment facors . Acta Agric. scand. , 32 : 65 – 81 .
   Google Scholar
• Danell , B. 1981b . Studies on lactation yield and individual testday yields of Swedish dairy cows. II. Estimates of genetic and phenotypic parameters . Acta Agric. scand. , 32 : 83 – 92 .
   Google Scholar
• Gaines , W. L. 1927 . Persistency of lactation in dairy cows . University of Illinois, Agricultural Experiment Station, Bulletin No. , 288 : 355 – 424 .
   Google Scholar
• Gravert , H. O. and Baptist , R. 1976 . Breeding for persistency of milk yield . Livestock Prod. Sci. , 3 : 27 – 31 .
   Google Scholar
• Harvey , W. R. 1977 . Users' guide for LSML76 , 76 Ohio State University . Mixed model leastsquares and maximum likelihood computer program
   Google Scholar
• Hickman , G. C. . Changes in the shape of the lactation curve and other correlated responses from selection for short period lactation yield . 22nd Ann. Meet. of the European Ass. for Anim. Prod. . 1971 , Paris.
   Google Scholar
• Johansson , I. and Hansson , A. 1940 . Causes of variation in milk and butterfat yield of dairy cows . K. LantbrAkad. Tidskr. , 79 ( 6 1/2 ) : 1 – 127 .
   Google Scholar
• Keown , J. F. and Van Vleck , L. D. 1971 . Selection on test day fat percentage and milk production . J. Dairy Sci. , 54 : 199 – 203 .
   Google Scholar
• Madsen , O. 1975 . A comparison of some suggested measures of persistency of milk yield in dairy cows . Anim. Prod. , 20 : 191 – 197 .
   Google Scholar
• Ratheiser , N. 1972 . Beziehungen zwischen dem Lebendgewicht der Milch und Fettleistung und der Persistenz bei Erstlingskühen des österreichischen Fleckviehs . Bodenkultur , 23 : 366 – 383 .
   Google Scholar
• Rönningen , K. 1967 . Phenotypic and genetic parameters for characters related to milk production in cattle . Acta Agric. scand. , 17 : 83 – 100 .
   Google Scholar
• Sanders , H. G. 1930 . The analysis of the lactation curve into maximum yield and persistency . J. Agric. Sci. , 20 : 145 – 185 .
   Google Scholar
• Schaeffer , L. R. , Minder , C. E. , McMillan , I. and Burnside , E. B. 1977 . Nonlinear techniques for predicting 305-day lactation production of Holsteins and Jerseys . J. Dairy Sci. , 60 : 1636 – 1644 .
   Google Scholar
• Schneeberger , M. 1978 . Der Verlauf der Laktationskurve und die Schätzung der Milchleistung beimschweizerischen Braunvieh , Zürich : Juris Druck + Verlag . 1978, Diss. ETH 6168
   Google Scholar
• Shanks , R. D. , Berger , P. J. and Freeman , A. E. 1980 . Genetic aspects of lactation curve parameters . J. Dairy Sci. , 63 ( Suppl. 1 ) : 111
   Google Scholar
• Van Vleck , L. D. 1975 . What to expect from part record sire proofs . Hoard's dairyman , 10 : 291 – 292 .
   Google Scholar
• Wood , P. D. P. 1967 . Algebraic model of the lactation curve in cattle . Nature , 216 : 164 – 165 .
   Web of Science ®Google Scholar
• Wood , P. D. P. 1968 . Factors affecting persistency of lactation in cattle . Nature , 218 : 894
   Google Scholar
• Zimmerman , E. and Sommer , H. 1973 . Zum Laktationsverlauf von Kühen in Hochleistungsherden und dessen Beeinflussung durch nichterbliche Faktoren . Züchtungskunde , 45 : 75 – 88 .
   Google Scholar