How To Grow Uniform Broiler Breeder
Uniformity of broiler breeder flocks is the whole extent of the individual growth and development of neat
. It includes the size, weight, sexual maturity in three aspects, among which the most important weight uniformity, especially in the growing period. Uniform weight and high production in chickens opened timely, neat, quick peak into the egg, and the peak lasted longer, death and elimination rate, the same size eggs. Therefore, people breeder body weight uniformity seriously. After years of practice, we have summarized a number of broiler breeder body weight to improve the uniformity of experience, for your reference.
First, the density to be appropriate. Stocking densities and flock sizes are directly related. Appropriate density can be maintained discounted air fresh and reduce stress to prevent cannibalism. Dense flocks activities are limited, growth is retarded, resulting in decreased uniformity; density is the use of buildings is low. Each group of chickens to 300? 500 is appropriate. Breeding density: 1? 2 weeks 18? 25 / m 2; 3? 6 Weeks cock 5? 6 / m 2, hen 8? 10 / m 2; 3? 6 weeks old cock 5? 6 / m 2, hen 8? 10 / m 2; 7? 16 weeks of age 7? 8 / m 2; 16 weeks after 5 / m 2 is appropriate.
Second, keeping to limit. Specifically, this will be limited to, limited quality, combined to limit three kinds of methods, 4? Daily limit of 12 weeks feeding, the daily feeding of quantitative feed. 12? 15 weeks of age take 1 / 2 restricted feeding, feeding two days after the three days of feeding amount, expected to one day stop. 16? 18 weeks of age with 2 / 5 limit method, the feeding amount is divided into five days a week feeding, the middle of the week, two days of 2,5-stop material. Random weekend in each breeding chickens for individuals weighing 10%, respectively, to calculate the average weight of hens the public and with the recommended standard weight control, such as the average weight with the recommended standard weight does not match, then adjust the number of feeding. The actual weight exceeds the standard, next week to maintain the previous week to feeding quantity, weight less than the standard, each 1% below, an increase of 3 per day per bird? 5 grams of feeding quantity.
Third, Duanhui must be accurate. Reasonable Duanhui pecking each other to avoid, reduce waste and improve the uniformity of feed is important. First Duanhui 4? 10 days, the second Duanhui within 10 weeks of age in, otherwise will delay sexual maturity. Duan Hui 3 days before and after the diet or drinking water supplemented with Vc, Vk alleviate stress and bleeding. Duan Hui's approach to accurate, hand pressing light chicken throat, so that the tongue retracted, to avoid burns, make upper beak down to 1 / 2, off to the next Hui 1 / 3; Duanhui blade should be sharp, blade and chicken Hui touch 2? three seconds, a short time the bleeding effect is not good, and not cauterizing Duanhui point, there is the possibility of regeneration, long time and the Hui have become sensitive to the grotesque.
Fourth, the environment should be suitable. Hen house temperature to 23? 24 suitable, humidity 50? 55%, to prevent high temperature and humidity, low temperature and humidity occur; attention to ventilation, control of light, take a short not long illumination times, the intensity should not weak and strong principles, prevention of sexual Kentucky; to keep the litter clean and dry, to chicken growth and development to create a good environment conducive to the improvement of uniformity.
5, immunization must be reasonable. To clean the chicken house and the surrounding environment, timely Conservancy, regularly disinfected. Strengthening the perfect breeder vaccination program, the scientific use of vaccines. This is to improve the uniformity of broiler breeder body weight guarantee.
by: gaga
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