Donkey artificial insemination technology
Donkey frozen thawed: 1. Remove the frozen fine tube from the liquid nitrogen tank and quickly thaw it in a 38°C water bath for 30 seconds. 2. Dry the frozen fine tube and load it. 3. Detection of frozen sperm vitality, above the vitality of 0.4 can be used for artificial insemination. Insemination method: 1. Preserve the female donkey in an appropriate period, sterilize its genital area, rinse with warm water after boiling, and dry with sterile gauze. 2. The inseminator's arm is disinfected with disinfectant, rinsed with warm water after boiling, and wiped with sterile gauze. 3. When inseminating, the inseminator is standing on the left side of the female donkey and carrying the sperm in the right hand. The fingers are tapered and slowly inserted into the vagina of the female donkey. The insemination gun is inserted into the mouth of the cervix 5 to 7 cm away. The left hand slowly pushes the semen into the donkey uterus. 4. Slowly pull out the insemination gun from his left hand and slowly pull his right hand out of the vagina of the female donkey, and continue to gently rub the uterine vulva. Http:// The Greenhouse Exhaust fan is popular in recent years.The Greenhouse Exhaust fan is a new environmentally friendly and energy-saving plant ventilation cooling equipment, because of the exhaust fan's large amount of ventilation, ventilation and cooling effect is good, low noise, the installation of the use of the site of the smallest destructive, cheap to buy, wide range of applications, Long life and other significant features, more and more users are loved. Wet Pad And Fan Cooling,Greenhouse Exhaust Fan,Cooling System Exhaust Fan,Exhaust Fan With Shutter Qingzhou JuLong Agriculture Equipment Co.,Ltd , https://www.julonggrowtech.com
Under the action of gravity, water flows from top to bottom, forming a water film on the surface of the corrugated fiber of the wet curtain. It and the fan form the Air Circulation System .When the fast flowing air passes through the wet curtain, the water in the water film absorbs the heat in the air and evaporates and takes away a lot of latent heat, so that the temperate of the air passing the wet curtain is lowered, so as to achieve the aim of cooling.Widely used in Tomato And Cucumber Greenhouse and Glass Greenhouse
Working principle: "water evaporation absorbs heat"