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.
How long does it take for a female goldfish to lay it's eggs? A goldfish becomes sexually mature around 1 year of age, but it typically takes another 2 years before it's in it's prime.Provided that there is a male in the tank, and the f â¦ emale is full of eggs, it could happen at any time, usually right after you do a water change and have the tank nice & clean (it's true!).If she releases eggs, it's pretty quick and may only take 30 minutes or even less for her to lay them all at that time.ow long does it take for a female goldfish to lay it's eggs? A goldfish becomes sexually mature around 1 year of age, but it typically takes another 2 years before it's in it's prime.