Showing papers on "Animal welfare published in 1976"

TL;DR: Observed differences in behaviour, particularly utterances, whose variations in frequency and type suggest that gnotobiotic pigs are subjected to greater stress, and it is argued that this could be a cause of mortality.

TL;DR: The number of foetuses and corpora lutea in four different groups of Merino ewes has been estimated from observations of their mating activity and observed and expected values could not be shown to be different.