First, the incubation period
1. 10 to 15 days after pigeons start to lay eggs. Put snail pieces or clean short straw and pine needle grass on the egg nest 2 days before laying eggs.
2. During the incubation, the rainwater is prevented from infiltrating. After the eggs are blistered or wetted, the fertilized eggs will die. The litter should be replaced promptly. Usually pay attention to eggs do not leave the new abdominal feathers. When hot, reduce the amount of bedding, open more windows, wash with cool water or spray to reduce temperature, increase the amount of bedding when the weather is cold and pay attention to keep warm, 5°C or less should be considered to increase the temperature.
3. After 4 to 5 days and 12 days after hatching, each egg was taken 1 time, and no zygotes and dead embryos were promptly removed. The hatching condition was checked 17 to 18 days. .
Second, breast-feeding during lactation to give more nutritious feed, require more than 18% protein, metabolic energy 2800 card / kg or more, feed 2 or 3 times a day, care good pigeons, pigeons to move and nest , 15 days of age to move the baby pigeons cage feeding on the net.
3. During the moulting period, the pigeons are moulted once in the late summer and early autumn, for a period of 1 to 2 months. At this time, 10% of the hemp kernels in the feed can be increased, and 50 kg of health sand can be added to 200 g of gypsum powder or 100 g. K-sulfur powder promotes moulting, adding multiple vitamins to the feed, eliminating those breeders with low egg production, poor brooding performance, poor quality of offspring, and long moulting time according to the production performance, and selecting from the reserve breeding pigeons The fine varieties are supplemented, and the pigeonhouse is fully sterilized both inside and outside, as well as caged utensils.
Beneficiation reagents mainly refer to collectors, foaming agents, inhibitors, flocculants, regulators, and Hydrometallurgical extractants, matrix improvers, diluents, etc., involving hundreds of various inorganic or organic compounds. Among them, there are 24 kinds of beneficiation reagents (including arsenic, beryllium, cadmium, chromium, mercury, nickel, thallium, copper, lead and their compounds) which are listed as priority pollutants in China's water. The Chemical Reagents harmful to the environment are cyanide, hydrogen sulfide, hydrogen phosphide, fluoride, arsenide, dichromate, copper sulfate, zinc sulfate, disulfide. Carbon carbide, sulfite, alkyl xanthate, organic phosphorus, fatty alcohol, aniline, pyridine, hydrocarbon, olefin, ether, ketone, aldehyde ester, etc. It includes collectors, foaming agents, inhibitors, flocculants and so on.
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