Seventy eight "barren" (ewes which were not pregnant prior to treatment) or early post-partum Karakul ewes were used. The interval from progestagen sponge withdrawal to oestrus was shorter within than outside of the breeding season and in both seasons increasing…
The correlation between the average daily gain of calves and the reconception of their dams as a screening test when investigating problems with fertility in beef herds. A regression line (y = 32,025 + 140,223 x) between the average daily…
The distribution of calving Intervals of Rhodesian milk-recorded cows that completed lactations in 1969 was positively skew. The mean was approximately 400 days, but the mode was approximately 365 days. A questionnaire to farmers who participated in the milk-recording scheme…
Africander cows were inseminated with the semen of Limousine and Normande bulls and Jersey cows with that of bulls of the above two breeds as well as with Charolais semen. The male castrate progeny were compared in a fattening experiment…
