The new male and female cockroaches that are kept as seedlings require a nine-month breeding period before they can fully grow and grow their seedlings. At this time, the weight of the public cockroach can reach 1600-2000 g. 42-45 centimeters, females weigh up to 750-900 grams, body up to 36-38 centimeters. After the new eel was reared to the equinox, with the shortening of the sunshine time, the reproductive physiology of the otter began to increase and the endocrine hormone activity related to hair exchange began to increase. Under the regulation of endocrine hormones, the ovary of the female oviduct began to develop, and the oviposition began to change. hair. After the winter solstice, the sunshine began to rise, endocrine hormones further enhanced activity, rapid development of sexual organs, female genital uterine wall cells thickening, a large increase in uterine mucosal capillaries, uterine glands increased, increased motility. When the sunshine duration was extended to 11 hours, the egg matured and gradually migrated to the surface of the ovary, gradually protruding, and the egg epithelial cells secreted estrogen, the ovary was congested, the color was bright red, the surface was uneven, and the males crawled, flirted and mated. Under stimulation, the mother quail begins to ovulate and can be bred to enter the production period.
After the autumn equinox, the sexual organs begin to develop rapidly, the testicular weight increases by 2.0-2.5 g, and the volume becomes larger. Under the action of androgens, the testicular epithelial cells produce sperm, and the sperm is shed into the delicate lumen of the song, in the epiglottis. Mature and stored. The end of February the following year to mid-March, the peak season for public breeding activities. At this point, the male testicles weighed 4.8-6.5 grams and there was a clear spouse requirement.
After the autumn equinox, the sexual organs begin to develop rapidly, the testicular weight increases by 2.0-2.5 g, and the volume becomes larger. Under the action of androgens, the testicular epithelial cells produce sperm, and the sperm is shed into the delicate lumen of the song, in the epiglottis. Mature and stored. The end of February the following year to mid-March, the peak season for public breeding activities. At this point, the male testicles weighed 4.8-6.5 grams and there was a clear spouse requirement.
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