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.
Follow these tips and I promise your goldfish will have bright colors, be very active, happy and stay healthy for a long time. Tips for a healthy goldfish diet: Feed your goldfish once a day. Don't worry about starving your fish. All he needs is what it can eat in 2 minutes; Feed your goldfish fruit and veggies regularly (every 2 days) Make sure that all hard vegetables like carrots, beans, rice are cooked, pealed and finely chopped up Goldfish have their favorites just like you do, so keep a note of what foods they enjoy