Egg breeder sperm collection cup
A technology of semen chamber and inner chamber, which is applied in the field of semen extraction cups for layer breeders, can solve the problems of semen damage and affect the fertilization rate, and achieve the effects of reducing natural volatilization, ensuring the quality of collection, and ensuring the effect
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Embodiment 1
[0033] Such as figure 1 Shown, a kind of laying hen semen collection cup, comprises the second fine chamber 2 that is flexibly connected with the first fine chamber 1, and the bottom of the first fine chamber 1 is connected with the top of the second fine chamber 2, and the first fine chamber 1 is Double-layer structure, the first fine chamber 1 is provided with an inner chamber 4, the inner chamber 4 is separated from the outer wall of the first fine chamber, the inner chamber 4 communicates with the second fine chamber, the bottom of the inner chamber 4 is inclined to the middle, and the bottom of the inner chamber 4 The middle part is provided with a protrusion, and the diameter of the bottom surface of the protrusion is equal to the diameter of the communication channel between the inner chamber 4 and the second fine chamber. The inner chamber 4 is made of porous water-absorbing material, and there is a diluent between the inner chamber 4 and the first fine chamber 1 . Th...
Embodiment 2
[0037] The crotonate grafted chitosan was prepared by the following steps,
[0038] Step 1: Take 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 a constant temperature for 30 minutes, 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 ...
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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