View Full Document. ï¬ 1  Primers determine the specificity of the PCR reaction. ï¬ The distance between the primer binding sites will determine the size of the PCR product. 2  T m ï¬ For short (14â20 bp) oligomers: ï¬ T m = 4Â° (GC) + 2Â° (AT)
Estrus, or heat, is the period in which the doe will stand and allow the buck to breed her. This phase of the reproductive cycle may last between 12 to 36 hours. The period from one heat cycle to the next is referred to as the estrous cycle. In goats, the estrous cycle occurs every 18 to 24 days, or 21 days on average.
Fact #2: Does can usually breed at 10 to 12 months of age, depending on the breed and the physical attributes of the animal. (Some animals do mature faster than its other herd mates.) However, male breeding goats or bucks reach sexual maturation only after their 12th month.Fact #3: Does become sexually receptive only after a short bleeding period (release of menstrual blood.).act #1: Among many things, the practice of breeding goats has one very important effect. Aside from the possibility of producing litters, the does or the female goats give off more milk than usual.