Plastic Disposable Tattoo Tips,Cheap Tattoo Tips,Tattoo Tips Blue Zhongyu Mechanical Equipment Firm , http://www.ywtattoogoods.com
The pro-feathers should be moderately fine pigeons with good feathers, uniform color, rich luster, generous body, no deformity of the body and wings, straight keel without bending, nor prominent, chest width, body length, thick toes. The sufficient illumination time test showed that the production of pigeons lighted 16 hours to 17 hours a day, can increase egg production rate and egg fertilization rate. The reason is that proper lighting can stimulate the secretion of sex hormones in the producing pigeons and promote the maturation and excretion of sperms and eggs. Supplementation of multivitamins Vitamins (including vitamin A, vitamin B, vitamin D, vitamin K, vitamin E, etc.) are essential nutrients for growth and reproduction of the breeding birds. The qualified health sand that is rationed to qualified health sand is an essential ingredient that guarantees the healthy growth and normal reproduction of the producing pigeons. According to the test, the scientific production of qualified health sand, the production of pigeons in good condition, the fertilization rate of eggs can reach 90% -95%, the hatching rate and shelling rate is also high, the young pigeons grow rapidly. The breeding density must be appropriate and somewhat lean, not because the cocks do not have reproductive capacity, but because the pigeon lofts are densely bred, there are too many cocks, and the mating pigeons are disturbed. To change this situation, as long as small groups are raised, the density is appropriate.