Morning of next day or early afternoon. If the bull is not properly tested, the spreading of genital diseases will be increased. Aid required at calving. When do you inseminate? How does the A.
If the gun is getting caught in folds of the vagina, try stretching the cervix away from you to free the gun and allow easier passage to the cervix.
High-priced bulls & artificial insemination
In the recto-vaginal technique a sterile, disposable catheter containing the thawed semen is inserted into the vagina and then guided into the cervix by means of a gloved hand in the rectum. Shake the straw after removing it from the tank to eliminate any drops of nitrogen at the end of the cotton plug. You should begin breeding at days after calving to make the calving interval as short as possible. On the basis of individual bulls, sperm numbers in AI doses needed to be adjusted to reduce the variations in NRRs among bulls. If the farmer observes heat in the afternoon, inseminate early next morning. Fixed time deep intracornual insemination of heifers at synchronized estrus. Clean all equipment before returning it to the box.