1. Use and limitations of profiles in assessing health or nutritional status of dairy herds;Adams;J. Dairy. Sci.,1978
2. Some results of tests with the electrometrical method of ascertaining the time to inseminate cows;Aizinbudas;Zhivotnovodstuo,1966
3. Detection of oestrus in dairy cattle;Appleyard;Vet. Rec.,1979
4. Fertility losses in normal cows and repeat breeders;Ayalon;Proc. 7th Int. Congr. on Anim. Reprod. and AI (Munich),1972
5. The fertility of the dairy cows inseminated on the basis of mild progesterone measurements;Ball;Br. Vet. J.,1979