Procos, J; Clark, R.; Louw, J.G.; De Kock, V.E.; Alexander, R.A.
(Pretoria : The Government Printer, 1961)
The ketone body levels of ewes at oestrus have been shown to be significantly
lower than during anoestrus.
The ketone levels of wethers have been found to be significantly higher than that of
ewes.
A positive relationship ...