Browsing Doctoral Degrees (Animal and Poultry Science) by Title
Now showing items 49-52 of 52
Selenium × zinc interaction on growth performance, carcass traits and semen quality of Large White × Landrace and Kolbroek boars. (2018)Abstract available in PDF.
(2004)Ovulation rate in laying hens is determined by the interaction of two biological systems; namely, a circadian rhythm that restricts the release of luteinising hormone to an eight- to ten-hour period of the day, and the ...
Testing the libido of breeding sires to predict mating performance in the field and the hormonal control of male sexual behaviour. (1988)The incidence of sexually low-response rams was determined in a group of 31 young Ile de France stud rams by means of three libido tests. Eight rams ( 25,8%) we reclassified as being sexually low-response. The proportion ...
Theoretical and applied aspects of voluntary feed intake by ruminants, with special reference to the kinetics of rumen digestion. (1994)The aim of these studies was to examine the factors which determine voluntary feed intake and feed quality in ruminants. In the first experiments, the concepts of ruminal digestion kinetics were conceptualised and measured ...