Cookies on Animal Science Database

Like most websites we use cookies. This is to ensure that we give you the best experience possible.


Continuing to use  means you agree to our use of cookies. If you would like to, you can learn more about the cookies we use.

Animal Science Database

Supporting your research in animal production, welfare and health

 Sign up to receive our Veterinary & Animal Sciences eNewsletter, book alerts and offers direct to your inbox.

Results per page:

Search results


Pregnancy per insemination is a major determinant of reproductive efficiency in cattle and is affected by concentrations of progesterone (P4) during early pregnancy. The relationship between pregnancy per artificial insemination (P/AI) and early luteal concentrations of P4, and repeatability of...

Parr, M. H.; Mullen, M. P.; Crowe, M. A.; Roche, J. F.; Lonergan, P.; Evans, A. C. O.; Diskin, M. G.
Elsevier Inc., Philadelphia, USA
Journal of Dairy Science, 2012, 95, 5, pp 2390-2396