Swine estrous cycle The estrous cycle in the pig averages 21 days but can range from 17 to 25 days. The first day of standing heat, when the female is receptive to the male and will stand to be mounted, is referred to as day 0.
A: Goldfish mate by spawning. The female releases her eggs into the water, and the male releases his sperm to fertilize the eggs. Goldfish reach sexual maturity at approximately 1 year of age. The mating ritual of goldfish involves the male chasing the female and nudging against her to prompt her to release her eggs.
After 1000 degree days the eggs within the female goldfish are mature enough and the chances of a golfish spawning is any day now. If you keep track of the daily water temperature daily will be your best way at determining how soon or often your goldfish will be breeding or laying eggs. Remember the male goldfish needs to be sexually mature enough too. If your interested in breeding goldfish then itâs best to learn as much as you can. Throughout my blog you will find more information on breeding goldfish. Youâll learn all about how goldfish spawn come breeding time through the links below.