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COWS-fed-barely-sprouting-fodders, page : 67
a bull then you have the option to either lease a bull or borrow one, but once again make sure he is healthy and with no venereal disease otherwise the disease might be spread to your heifers. If is a good idea to have your vet check the proposed bull before introducing it to your heifers. Bulls most at risk are ones that have been breeding a variety of cows – especially purchased cows with unknown background. Another consideration is a bull that has only been used on virgin heifers.
Artificial insemination:
If you select to breed your heifers through artificial insemination you will need a chute to restrain the heifer so that the technician (AI) can insert a capsule of semen into her uterus. You must watch her closely to know when she might be coming into heat. Speak with your AI technician before the time arrives and ask his advice on what you need to do and when to order the semen. When ordering the semen stress that you want it from a bull that sires low birth weight calves and ask to be shown the bulls records to help you make your selection.
Artificial insemination:
If you select to breed your heifers through artificial insemination you will need a chute to restrain the heifer so that the technician (AI) can insert a capsule of semen into her uterus. You must watch her closely to know when she might be coming into heat. Speak with your AI technician before the time arrives and ask his advice on what you need to do and when to order the semen. When ordering the semen stress that you want it from a bull that sires low birth weight calves and ask to be shown the bulls records to help you make your selection.