Under natural conditions, 1st instar amber can only grow to 5-13 gram weight. Through normal artificial rearing, feed 3-6% of the body weight of the carp feeding daily. The first-instar nymph can only grow to 18-40 grams. The use of biogas residue with artificial normal breeding, the amount of feed each day only 2% of the weight of carp, and achieve better results than normal breeding, 1st instar eel can grow to 30-70 grams. Increased weight by about 67% compared to normal farming and reduced costs by about 30%.
First, building a breeding pond and nest
According to the scale of breeding, determine the size of the pool capacity, pool depth requirements 1.7 meters, not less than 1.5 meters. After the pool is dug, the bottom of the pool is paved with cement mortar, and the pool wall is covered with bricks (stones). The joints are cemented with cement mortar to prevent the jaundice from escaping. Nesting holes, along the pool wall and around the center, using pebbles or gravel, repair a small lotus, 0.7-1 meters high, 0.5 meters wide, stone joints filled with thin mud and biogas residue, as the nest and spawning cricket . You can also open the “Cross†ditch in the middle, natural length, width 0.8 meters, depth 0.25 meters, the bottom of the trench to use cement mortar to wipe the surface, fill in some pieces of stone, stone seams filled with biogas residue and thin mud, the same can be used for the skull in the stone seam Zhong Zuo points spawn.
Second, feeding and management
1. Discharging: After raising the rearing ponds and nests, put the first half of the yellow seedlings and put biogas residue fertilizer into the pool. Method: The biogas residue is mixed with the slime, and the thickness is 0.5-0.7 meters, which is used as the feed and activity site of Astragalus. After filling the material, the water is discharged into the pool. The water depth varies with the season, generally about 0.5 meters in summer and autumn, and 0.25 meters in winter and spring.
2, the amount of stocking: Each square meter put about 25 grams of about 2 kg of Astragalus.
3, the amount of feeding and timing of feeding: Huangqi activity is nocturnal activity, nocturnal activities, so the vote is usually at dusk. After one month of the small yellow lotus seedlings going down the pond, they will cast fresh biogas residues every 15 days or so, each time 15 kg per square meter. However, attention should be paid to observing the water quality in the pool. Good water quality and appropriate dissolved oxygen levels should be maintained in the pool. If an anoxic floating head is found, change the water immediately. The squid eats live food and feeds some oysters, snail meat, silkworm cocoons, clams, small fish and some bean cakes every 5-7 days during the fattening stage. 4%. Carp is a kind of semi-hibernating fish. Before winter, it needs a lot of food. It needs to increase the amount of feed, store nutrition, and meet the needs of hibernation.
4. General management: In order to protect the carp safely in the winter, the water in the pool can be completely drained and covered with a layer of 10-20 cm thick straw insulation on the surface of the pool. Summer temperatures are high, can be planted around the pool loofah, wax gourd, lentils, etc., and framed for the yellow shading, cooling. Strengthen water management to prevent pesticides, chemical fertilizers and other harmful substances from entering the pool. Always observe the behavior of the jaundice and timely find the disease of the squid.
Portable cow Milking Machine is important equipments for today's dairy industry, it is widely used in small, medium and large farms. Also personal use is more and more common. Milking machine consists of vacuum pump, milk pulsator, electric motor, milk bucket etc. And the motor could be used electric motor, diesel motor and gasoline motor.Gasoline engine milking machine cow for sale is the necessary equipment for dairy farms. Compare with hand milking, milking machine can improve the milking efficiency. It can solve the problem of unstable power supply in somewhere.
Technical characteristics are as follows:
1. Advanced dual vacuum milking system(optional equipment) imitation calf feeding low vacuum(42-45Kpa) cow nipple sucking massage to make cows in the best condition to complete the entire milking process; squeezed milk is specifically high vacuum(60Kpa) timely and quickly pumped into milk pipeline, effectively ensure the stability of the milking system pressure.
2. Effective control of mastitis in cows before milking pulsation than technology meet physiological characteristics of pulsation than the technology front, the front breast area ratio of small pulsation ratio breast after large(generally breast area after area than in the previous 15% more milk); breast area while completing the four milking, milking effectively avoid the occurrence of air, reducing the incidence of mastitis.
3. Prevent overcrowding and premature removal from the design collection cup milk tubes are used to seat all the transparent design, so it can be visually determine whether there is over-milking premature phenomenon and the phenomenon of de-cup;
4. Unique automatic off cup system(optional equipment) set milk Block built vacuum shut-off valve, auto-off cup without vacuum residue will not produce cow nipples pulling force, but also off the cup action is very gentle,, collection of milk will not fall to the ground seat.
5. Advanced air cleaning mixed feeding device that can impact the entire column to form the pipeline flow scrub the entire pipeline, effectively improve the quality of the milk.
6. Hassle U-tube design U-shaped connecting pipe so that the whole milk collection device cleaning without leaving clean corners, to ensure the quality of milk.
7. Pasture management software(optional configuration) automatically precision measuring devices, computers permanent data storage. Machine, cattle integration management through our hardware and software to be human, bovine, machine together organically, to achieve maximum efficency.
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