Broiler fattening with the use of flavoring agents and colorants is good.
Add flavoring agent
Adding flavorings (such as cloves, ginger, sweet peppers, etc.) to the feed of fattening broilers not only stimulates the appetite of the chicken, but also improves the quality of the chicken, makes the chicken taste better, and can keep fresh for a long time. Because these spices have the dual functions of antisepsis and disease prevention, they can improve the meat quality of chickens and prolong the shelf life. The formula of the flavoring agent is as follows: 10 g of green onion and garlic, 7 g of dry yeast, 3 g of ginger powder, allspice powder and paprika, and 0.5 g of monosodium glutamate and salt. Add the flavoring agent to the feed at a ratio of 0.2% to 0.5% of the diet from 10 days to 15 days before the slaughter. After mixing well, feed each morning and evening.
Add natural coloring agent
Many natural colorants contain high levels of oxidized carotenoids and lutein. If added to chicken feed, the skin and fat of the chicken will be golden or orange, which will increase the grade of the product. Commonly used natural coloring agents and their addition amount are: 苜 粉 powder 5%, pine needle powder 5%, locust leaf powder 5%, red pepper powder 0.3%, marigold powder 0.3%, marigold flower petals 0.5% to 0.7%, Dry orange peel powder 2% to 5%, seaweed dry powder 2%, cow dung dry powder 1% to 2%, prawn powder 3%, silkworm 6% and so on. In addition, synthetic oxidized carotenoids, spotted crab yellow, lemon yellow and some antibiotics such as oxytetracycline and chlortetracycline in chicken feed can also improve the color of chicken, fat and eggshell.
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