Poultry hatchery's output value accounts for a large proportion of the income of poultry, and whether the hatchery's performance is good or not has a direct impact on operating efficiency. How can we improve the hatching rate of poultry? First, adjust the proportion of male and female breeders. The ratio of male to female is generally 1:12-15 for light chickens, 1:10-12 for medium chickens, and 1:8-10 for heavy chickens. This will increase the fertilization rate of eggs. Second, properly store eggs. 1. Shorten the storage period. The hatching period of the general breeding eggs does not exceed 7 days before hatching. In the optimum storage environment, the hatching rate of the breeding eggs begins to decrease after 7 days. 2. During the storage of the eggs, cover them with a plastic film to prevent the eggs from dehydrating excessively during storage. Using this method can improve the hatching rate of 1.3-3%. 3. Eggs during storage temperature and humidity. The temperature within a week of storage is 16 to 17°C. It is better to use 10 to 12°C for more than one week. The relative humidity is generally maintained at 75-80% to prevent evaporation of moisture in eggs. 4. When the eggs are stored, the egg heads up and stays upright. The inside of the incubator should be head down and a high hatching rate can be obtained. Third, do a good job in the seven stages of incubation. 1. On the 15th day after the eggs were hatched, an airtight film was applied to the shells to reduce the air-permeable area of ​​the shells by 13%. This improved the hatchability, and hatched chicks developed well and grew rapidly. 2. spray. During hatching, spraying with ordinary clean water 4 times a week, the hatching rate of fertilized eggs can be increased by 7.3 to 25%. 3. Use anion generator. The slight negative ionization of air in the incubator has a positive effect on hatching quality and hatchability. In the incubator with an air ion concentration of 15 to 300,000 ions per square centimeter, the hatching rate can be increased by 6.5 to 11.4%. 4. Before the hatching of the eggs, the red and infrared lasers with a radiation flux density of 103 watts/m2 were irradiated for 40 milliseconds to sustain the eggs, which was 6.3%, and the robust chicks were increased by 3.64%. 5. Lighting at hatching speeds up hatching without increasing deformity and mortality. Light incubation shortens incubation time 36 to 48 hours. The chicks hatched by light had a large body size, and the effect of weight gain was obvious. The opening age was 5 days ahead of schedule. 6. Incubation temperature. The general temperature of 37 ~ 39.5 °C incubation temperature. If the temperature is too high or too low, the incubation period will be shortened or extended, and the embryo mortality will increase. 7. Controlling the temperature is the key to successful incubation. The exact method to determine the optimum temperature during incubation is to periodically weigh the same hatching egg sample within the first 18 days after hatching. The weight of the hatching egg should be about 0.7% per day, and the humidity should in principle be high and low in the middle. The humidity of 1 to 7 days of incubation is 60 to 65%, 50 to 55% of 10 to 18 days, and 57 to 60% of 19 to 21 days. Fourth, correct midwifery is an effective measure to increase the rate of hatching. Chicks are generally shelled out 20 to 22 days, but some chicks are unable to break shells. Therefore, shellfish midwifery is usually performed before the 22nd day of hatching, but if the allantoic blood vessels are not dried, they should be immediately returned to the incubator, etc. Withered and then helped break the shell.
Slimming Flavor Tea: This type health blended tea is helpful to lose weight,whiten skin, dilute the stain,toxic emissions, cool blood , clear heat and toxic, promote metabolism, regulate the body's physiological function.Many type slimming tea add dried flowers,Not only it has attractive colors, but also its health benefits to human body.In recent years,dried flower has been using as the main formula for functional tea.
Slimming Flavor Tea
Slimming Flavor Tea,Lotus Leaf Tea,Slimming Natural Flavored Tea,Aid Digestion Herb Flower Tea
HUNAN MEETEA CO.,LTD , http://www.hnmeetea.com