Browsing 1973 Onderstepoort Journal of Veterinary Research, Volume 40, 1973 by Subject "Dairy cattle"

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Browsing 1973 Onderstepoort Journal of Veterinary Research, Volume 40, 1973 by Subject "Dairy cattle"

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  • Effects of ephemeral fever on milk production and reproduction of dairy cattle 
    Theodoridis, A.; Giesecke, W.H.; Du Toit, I.J.; De Kock, V.E.; De Lange, M.; Bigalke, R.D.; Howell, P.G.; Reinecke, R.K.; Walker, Jane B. (Pretoria : The Government Printer, 1973)
    The effect of ephemeral fever (EF) on the lactation, pregnancy and fertility of 19 dairy cows was studied. During the febrile reaction milk yields were reduced by an average of 58,7 ± 22 %, depending on the stage of lactation ...