Breeding chicken semen extracting instrument
A technology of equipment and sperm chamber, applied in the field of artificial insemination tools, can solve the problems of semen destruction, affecting the fertilization rate, etc., and achieve the effect of reducing natural volatilization, ensuring the quality of collection, and ensuring the effect.
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Embodiment 1
[0033] Such as figure 1 As shown, a breeder sperm extraction device includes a second sperm chamber 2 flexibly connected to the first sperm chamber 1, the bottom of the first sperm chamber 1 is connected to the top of the second sperm chamber 2, and the second sperm chamber 2 is a double Layer structure, the second fine chamber 2 is provided with an inner tank 3, the inner tank 3 communicates with the first fine chamber, the upper end of the first fine chamber 1 is provided with an electric shock rod 8, the electric shock rod 8 is hollow, and the middle part of the electric shock rod 8 is connected to the first fine chamber. Room 1 is connected. The electric shock rod 8 includes an upper section and a lower section which are fixedly connected. There is an included angle of 108° between the upper section and the lower section. The electric shock rod 8 is made of an insulating rod, and the top of the electric shock rod 8 is inlaid with a ring electrode, and the ring electrode is...
Embodiment 2
[0037] The crotonate grafted chitosan was prepared by the following steps,
[0038] Step 1: Weigh a portion of chitosan, take an appropriate amount of water as a solvent, adjust the pH of the solution to 4.7, add an appropriate amount of isopropanol to prepare a suspension with a starch mass fraction of 37%, and stir for 30 minutes;
[0039] Step 2: add NaOH to the solution according to the chitosan:NaOH mass ratio of 1:0.05, heat up to 30°C, stir at constant temperature for 30min, and slowly add allyl dropwise to the solution according to the NaOH:allyl chloride molar ratio of 1:1.2 base chloride, warming up to 50°C, stirring at constant temperature for 24h;
[0040] Step 3: filter, take the solid and redisperse it in a distilled water-ethanol solution with a volume ratio of 18:82, adjust the pH to 7 with acetic acid, wash with an appropriate amount of distilled water after suction filtration, and dry to obtain allyl etherified chitosan;
[0041] Step 4: Take a portion of ally...
Embodiment 3
[0044] Nano-hydroxy calcium phosphate / polycaprolactone / polylactic acid is prepared by the following method: through the reaction formula Ca(NO 3 )·4H 2 O+(NH 4 ) 2 HPO 4 → Ca 10 (PO 4 ) 6 (OH) 2 To prepare nano-calcium hydroxyphosphate, configure nano-calcium hydroxyphosphate into a slurry with a mass fraction of 5%, add the slurry to a three-necked bottle with a water separator, a stirring device and a condensation device, and add 150mL solvent DMAC and an appropriate amount of polyethylene glycol at the same time. For diol, the temperature is gradually increased to 100°C, dehydrated at 100-120°C, then polycaprolactone and polylactic acid are added in proportion, stirred and compounded for 4 hours at 120-130°C, taken out, and washed with hot deionized water for 4 hours times, washed with ethanol twice, and dried at 50-60°C for 48 hours to obtain a composite material.
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