Breeds and characteristics of ducks
According to the economic use, duck breeds can be divided into two types: meat type and egg type.
Meat ducks are large in size, broad in body, plump in muscle, delicious in meat, gentle in temperament and slow in action. It grows fast in the early stage and is easy to fatten. Representative are Beijing duck, Cherry Valley duck, French Muscovy duck, Oberstar duck and so on. At present, French muscovy duck and Oberstar duck are more suitable for the market, which are characterized by good meat quality, high lean meat rate, low feed-to-meat ratio and strong disease resistance. For example, the meat of French muscovy duck has wild fowl flavor; chest and leg muscles account for 27% of the carcass; under extensive conditions, the brooding rate and survival rate are as high as 95%.
Egg-type ducks are small in size, slender in body, compact in feathers, flexible in action, early in sexual maturity and high in egg production, but the egg shape is small and the meat quality is slightly poor. The more representative ones are Jinding duck, Shaoxing duck, Gaoyou duck and so on. Jinding duck in Fujian lays 260-300 eggs a year and weighs 60-80 grams, followed by Shaoxing duck in Zhejiang and Gaoyou duck in Jiangsu, which also lays about 250 eggs.
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Comprehensive measures to improve the body weight of weaned pigs
If the piglets are weaned at the same age, the greater the individual weight of weaned piglets, the stronger their physique, the stronger the vitality of piglets, the faster the weight gain after weaning, the higher the feed conversion rate and the higher economic benefits. Therefore, taking comprehensive measures to strive for the maximum individual weight of weaned piglets has become one of the keys to improve the economic benefits of raising pigs. 1. Long sows were selected and crossbred to improve the birth weight of piglets. The birth weight of piglets determines the strength and increase of piglets' vitality to a certain extent.
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Home-made egg pine
Raw material formula fresh egg 500 grams refined salt 10 grams peanut oil 500 grams cooking wine 2 ml monosodium glutamate production method 1. Knock the fresh eggs into the bowl, add cooking wine, refined salt and monosodium glutamate, and beat evenly with chopsticks. two。 Heat the pan with peanut oil until medium, then point the sieve (40mm 60 mesh) at the oil pan, slowly pour the broken eggs into the fine sieve, pour the egg liquid into the oil pan from the sieve eyes, and fry into thin shredded eggs. After the shredded eggs float, quickly remove them with a leaky spoon and drain the oil. 3. Will explode
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