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.
Getting Your Meat Goats Bred. As I stated in the last section, does tend to cycle in the fall, after about September first. A young doeling will begin to come into heat at about 4 months old. A normal heat cycle is 21 days, but the actual range is more like 18 to 25 days.The doe will remain in heat for 12 to 36 hours.etting Your Meat Goats Bred. As I stated in the last section, does tend to cycle in the fall, after about September first. A young doeling will begin to come into heat at about 4 months old. A normal heat cycle is 21 days, but the actual range is more like 18 to 25 days. The doe will remain in heat for 12 to 36 hours.