The method of catching the mother-in-law should be properly maintained. When catching the mother-in-law, the person should grasp the neck and tail of the mother-in-law, and do not grasp the chest and abdomen to avoid damage to the internal organs.
Number of times of trials against frequency The number of trials with mothers and males should not be too frequent to prevent the mothers from being misaligned due to panic or bite. For mothers who do not accept mating for two consecutive days, they should be allowed to breed again every 1 to 2 days.
Correctly identify the true and false match of the cockroach: the male and female cockroaches are very honest and quiet. When ejaculating, the public cocoon squints and the buttocks frequently forwards and shakes, and the mother-in-law emits a low embarrassment. After mating, the female vulva is highly congested, swollen, and pubic hair is moist. The public is thirsty and wants to drink, then enter the small room to rest. Fake distribution: Although the male cockroach climbs across the mother-in-law and shows a mating posture, it is not actually equipped. When the dummy is fitted, the male hindquarters do not have a large curvature and cannot stand the movement of the mother's jealousy. The spirit is not concentrated and there is no ejaculation action. There is a slight threat of separation and there is no congestion in the vulva.
Prevention of Minamata Damage Mink the mating time varies, the shortest is only a few minutes, the elderly up to 6 hours, mostly 0.5 to 1 hour. After the breeding of leeches is completed, the male and female cubs often bite each other and must return the female quail to the original cage in time. At the same time, when thirsty after the public breeding, it should provide drinking water to ensure its health. Since the estrus identification is inaccurate, the mother-in-law has no mating requirements, or the husband or mother doesn't like the other party because of improper mating. When this happens, care should be taken to prevent the male and female parents from biting and hurting each other.
Establishing and perfecting breeding records After confirming that the male and female cockroaches have completed the mating, the relevant mating data must be promptly filled into the seedling registration form for later reference.
Do a good job in semen quality inspection work Semen quality semen quality directly affects the breeding effect of the mother quail. The average ejaculate volume of a normal public eel is 0.1020.066 milliliters. There are 542,652,595 sperms per liter of semen, and the average sperm length is 32.815.7 micrometers. According to relevant information, the rate of infertility in public funds accounts for 2% to 5%. Therefore, the quality of public semen must be checked during the breeding period so that timely discovery and elimination of infertile public funds can be achieved.
Scientific use of sex hormones during the breeding period of leeches will often encounter no estrus in the mother quail. Repeated trials have been rejected. In order to promote maternal estrous and achieve smooth mating, some marketers used ethylene-estradiol for maternal aphrodisiac for three consecutive days in mid-February, which severely disturbed the female's normal reproductive physiology due to premature medication and long medication time. , And cause endometrial hyperplasia and gland degeneration, and thus counterproductive. The author suggests that the mother-in-law that is still not in heat during the prosperous estrus phase may use injections of 170 IU of chorionic gonadotropin or 150 IU of maternal serum gonadotropin in the middle of March. day.
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