The sperm of a male turkey

The semen collection method is most commonly used with massage methods, and it is safe, easy, and easy to grasp.
The method of extracting sperm by massage requires 3 people to cooperate. One person is the main picker, and the other two are assistants. They are responsible for Baoding and mastering semen collection. The semen were sitting on a long wooden bench (about 1.2 meters long, 0.35 meters wide and 0.4 meters high) and they straddle on both sides of the wooden bench. The stool surface is wrapped with a soft cloth or a soft bag like a sack to prevent bruising of turkey breast skin. Semen and Baoding people seize the waist and legs of the male turkey and place their chest on a wooden bench. Their legs naturally hang down. After the male turkey is fixed, the sperm extractor holds the root of the tail of the male turkey with his left hand and gently massages the tail with his right hand. The two hands cooperate for 3 to 4 times, and then the right hand pushes the massage from the back to the tail base several times, then the male turkey The genital protrusion protrudes rhythmically outward. At this time, the spermator's right thumb and the other 4 fingers sequestered on both sides of the anal ring to form a squeezing movement. The left hand was placed on the belly of the male turkey to form a reflective erection, and the semen was located along the sides of the reproductive folds. The longitudinal groove is discharged, and the semen should be quickly collected into the collection cup.

The insemination of the second mother turkey

1. Preparation of female turkeys for insemination: Before insemination, a certain amount of semen is dispensed into each vas deferens, and 0.025 to 0.03 milliliters of semen is contained inside, or a glass pipette can be used to inject semen into the female turkey vagina. The same effect. If you use a graduated glass pipette to inseminate, you need to cooperate. The anal fistula pricks the female turkey's feet (crotch) with his right hand, head down, tail up, and the chest is clamped in between the knees of the anorthos and applies a certain amount of left leg to the left abdomen of the female turkey. With pressure, the cloaca was opened and the fallopian tube at the top left was pulled out.

2. Depth of insemination: The vagina of the female turkey has a "V-shaped bend of about 8 to 10 centimeters in length, and the sphincter of the uterus and the vagina has a stronger sphincter. Therefore, the method of superficial insemination of the fallopian tube should be adopted in production. 2cm depth is appropriate, you can receive good results.

3. Insemination volume and frequency of insemination: The amount of insemination and insemination should be based on the quality of semen. High sperm motility, high density, less insemination, insemination after dilution. If the original semen is used for insemination, the amount is 0.025 ml, but the actual amount of insemination in production is generally more than 0.025 ml. The sperm density of turkey semen is relatively high. Generally, the number of seminal spermatozoa per milliliter amounts to 7 billion to 8 billion. Therefore, the number of effective spermatozoa per input is approximately 70 to 90 million or 100 million. When the turkey group's egg production rate reaches 5%, the first insemination begins, followed by the second insemination on the fourth day, followed by insemination once weekly. As the age of turkeys increases, the egg production and fertilization rate will fall. Therefore, in the later period of laying of female turkeys (after 18 weeks of egg production), the frequency of insemination should be increased to maintain a high fertility rate.

4. Insemination time: The insemination time for female turkeys should be after the laying of eggs, ie 3 to 4 pm. Tests have shown that female turkeys that have hard-shelled eggs in the oviduct are inseminated and have a low fertilization rate.

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