The correct answer is A buildup of lactic acid in the tissues I think. I hope this helped dear:)
Heat detection is needed for breeding.There is a system called timed breeding or the appointment breeding which is made so that the onset of heat and ovulation are induced for an animal to be inseminated at the right time. These then will help the breeder as well as the owner.
Related Colors are adjacent to each other on the color wheel.
I believe so. Hopefully this helps