The silkworm farmer uses the unused silkworm sheds and silkworm sheds to raise 3-4 batches of broiler chickens before the silkworms in the late autumn till mid-May in the coming year. This will not only save equipment investment, but also increase economic efficiency. The technical points are as follows. First, the feeding cycle and density of broiler feeding cycle is only about 45 days, the production cycle is fast, the chicken house and utensils are cleaned and disinfected and then raised. It takes about 40 days for silkworm rearing and picking up on the larvae, similar to raising chickens. Broiler chickens and sericulture are group rearing, and the stocking density is large. Broilers are stocked at 18--25 square meters per square meter at 1–4 weeks of age and 10–18 at 5–8 weeks of age. Second, to achieve a virtuous circle of broilers can produce a large number of chicken manure and litter, can provide a large number of high-quality organic fertilizer for Mulberry, improve the mulberry soil, and promote the mulberry park high yield. Large chickens can also be placed in mulberry gardens to eat mulberry pests. Such chickens and silkworm breeding can greatly increase economic efficiency and achieve mutual promotion and virtuous circle. Third, the environment disinfection before the feeding of the room to thoroughly disinfected, usually by physical or chemical methods of disinfection. Such as cleaning, sun exposure, boiling, and chemical disinfectants for painting, spraying and fumigation. Disinfectant can be quicklime, formalin, bleach, chloramphenicol, norfloxacin and so on. Fourth, warm moisturizing meat with broiler heating and moisturizing measures are basically the same with sericulture, temperature and humidity control and sericulture are similar, are from high to low. Broilers have a temperature of 32-35 degrees Celsius at 1 week of age, and 3 degrees Celsius per week thereafter; at week 5 they stabilize at 20-25 degrees Celsius until slaughter. The relative humidity of the air is between 70% and 75% at 1 week old, and gradually decreases to 60% to 65% thereafter. Like silkworm rearing, high temperature, high humidity or low temperature and low humidity should be avoided during the whole process. V. Notes 1. Arrange chicken batches reasonably so that there is no conflict in the use of chickens and sericulture in housing and labor. The broiler chickens are best placed on order-based production of processed materials, and enter into contracts with processing companies to ensure that broiler chickens are sold in a timely manner. Generally, broilers are slaughtered 15 to 20 days before raising the first batch of spring silkworms, so as to allow enough time for the spring silkworm rearing. 2. Enhanced disinfection. In the spring before silkworm breeding to increase the intensity of disinfection, there can be no omissions. Completely eliminate pollution sources such as chicken droppings and plastics; use indoor walls with evenly plastered plaster; replace the topsoil with 4 cm of topsoil, and pour the ground with lime slurry, or scrub the ground more than twice with bleach disinfectant water, and then ventilate and change many. In 10 days to eliminate indoor odor. Smoke smoke should also be disinfected. Silkworms used for raising chickens should also be sterilized. 3. Chicken manure used for fertilizers must be strictly decomposed and buried to prevent contamination of mulberry leaves.
Amino Acid
Amino acid are organic acids containing amino groups, which are the basic units of proteins. There are more than 20 kinds of amino acids that constitute proteins, which are often divided into essential amino acids and non-essential amino acids according to their nutritional needs for pigs and chickens. In pigs, chickens can not be synthesized, or can be synthesized, but the speed and quantity of synthesis can not meet its normal growth needs, so must be supplied by the outside world of amino acids, called essential amino acids. So far, the essential amino acids that have been widely used in the breeding industry are methionine and lysine
Efficacy and function of amino acid for Poultry and veterinary use:
First, Feed Amino Acid improve immunity
Amino acids are important nutrients in animals, which can improve the immunity of animals
Second, promote growth and development
Amino acids also have a positive effect on the growth and development of domesticated animals
Third, improve the efficiency of breeding
There is a certain relationship between animal amino acid intake and feed conversion rate. Reasonable strengthening of amino acid supply can improve feed utilization rate, reduce pollutant discharge and improve aquaculture efficiency
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