Nandan Yao chicken
Origin (or distribution): produced in Nandan County, Guangxi.
Main characteristics: it belongs to meat type chicken. Most chickens' main wing feathers, main tail feathers, shins and beak are black, aileron feathers are black and yellow, single crown, iridescent brown and yellow, meat lobes and earlobes are red. The feathers of Roosters are more golden, brown, red, yellow and black, while hens are more black, black and white, and khaki. Weight of adult chicken: 3537 grams for males and 2262 grams for females. Slaughtering rate of adult chickens: semi-clean, male 82.5%, female 90.0%; fully clean, male 77.0%, female 86.1%. The first laying age is 180-210 days, the annual laying of eggs is 60-80, the egg weight is 48 grams and the eggshell is brown.
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Species of pig parasites
In terms of economy and damage degree, the main parasites that harm live pigs The main parasites can be divided into the following three categories: (1) the less harmful and common parasites include Cysticercus cellulosae, piglet-like nematodes, porcine hair head nematodes (Trichuris suis), porcine echinococcosis, porcine esophageal mouth nematodes (porcine sarcoidosis), Ascaris suum (porcine snail pharyngostoma), porcine giant snout echinococcosis, porcine lice, porcine Eimeria and so on. (2) the serious and widespread parasites include ginger flake worm, Ascaris lumbricoides and pig queen.
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The microscopic fineness of pigs
Micro fine is the haggling when the price, is the work of meticulous, is never let go of any detail, is not allowed to neglect any place. Every job has details that are easy to be ignored. Pay attention to them and guard against them, and our career is bound to succeed. The specific details in the process of raising pigs are listed as follows: (1) the cost of feed accounts for more than 70% of the cost of raising pigs, and there are many places where feed is ignored. Put aside the bargaining in management, and put aside the technical angle.
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