In the chicken production process, some chicken farmers only know that the chicken-fed bone meal can promote development, promote eggshell formation, and prevent the production of soft eggs. However, if there is too much bone meal and the diet contains more than 2.5% calcium (other than laying hens), chicks and broilers will develop high calcium and low phosphorus urine, even with nephritis, gout, urinary stones, and some Loss of appetite and death can occur. For this reason, the chicken farmer should be reminded that the amount of bone meal fed by the chicken should be appropriate, not the better.
The Greenhouse Film Electric Roll-Up Unit replacing traditional manual roll-up unit to reach high speed automation in revolving & releasing films and greenhouse environment, it is the new generation of greenhouse ventilation and temperature regulation facilities. Portability, output torque, output lock, wide range and precise adjustment, waterproof, dew-proof and power-saving are the key characteristics for Electric Roll-Up Unit, which is the best choice for modern daylight greenhouse applied in different climates.
Greenhouse Film Manual Roll Up,Greenhouse Manual Winch,Greenhouse Side Film Roll Up
JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , http://www.spgreenhouse.com