Layer chickens refer to chicken breeds that are raised specifically to supply eggs, and eggs are the main source of egg breeding, which is still significantly different from broilers. The nutrition of eggs is basically well known, and the market demand is also high, so improving egg quality and egg production rate of layer chickens is the key to maintaining market competitiveness. Of course, the difference in breeds is also one of the influencing factors, so which layer chicken breed is better? How to choose the layer chicken breed? Let's take a look.
Which layer breed is better?
According to the color of the eggshell, the layer chicken is mainly divided into three series: powder shell, white shell and brown shell.
1, pink shell layer chicken: the parent generation of powder shell layer chicken breed, one side is a white shell layer strain, the other side is a brown shell layer strain, the size of the body is between the two, the eggshell color is also between the two, light brown. In some ways, the advantages of these two chickens have been inherited, with high egg production, heavy eggs, etc.
Representative varieties: Domestic varieties mainly include Nongda No. 3, Dawu Jinfeng, Dawufeng No. 1, Jingfeng No. 1, Xinyang Black Chicken; foreign varieties mainly include Roman powder, Hailan ash, Roman ash and so on.
2, white shell layer chicken: white shell layer chicken is small, less feeding, large egg production, but its egg weight is small, poor anti-stress ability, easy to peck anus, pecking feathers.
Representative varieties: domestic varieties include Jingbai 938; foreign varieties mainly include Roman white, Highland white and so on.
3, brown shell layer chicken: brown shell layer chicken eggs are heavy, low damage rate, suitable for preservation and transportation. However, it consumes more materials, is not heat-resistant, and has higher feeding techniques than white-shelled layer chickens.
Representative varieties: Domestic varieties are mainly Jinghong No. 1, and foreign varieties mainly include Hyland brown, Roman brown, Hysex brown and so on.
How to choose the layer chicken breed?
1. Check
First, the high-yield breed is selected according to local conditions, and then the breeding farm is checked for the purity of the breed and the production performance of the breeder, and whether the breed is bred according to the supporting line and follows the acceptance regulations of the breeding farm.
2. Look
It mainly depends on whether the time of chicks coming out of the shell is normal, whether the size is uniform, whether the mental state is good, and whether it is in line with the characteristics of the breed. High-quality chicks usually appear as big eyes, protruding outwards, responsive, lively and active, neat and clean villi, moderate abdomen size, good umbilical healing, dry, covered with villi, no blood, no mutilation of the wings, etc.
3. Listen
Listen mainly to the chicks. Quality healthy chicks have loud, crisp and short calls, while weak chicks have weak, hoarse or screaming sounds.
4. Touch
Hold the chicks in your hands and touch the fat, belly size, whether the yolk is well absorbed, and whether the posture is even.
In general, the classification of layer chicken varieties is still very wide, in addition to domestic varieties, China has also introduced many foreign high-quality varieties, in the actual breeding process, production performance are outstanding. Therefore, when farmers choose varieties, they must make multi-party comparisons and choose varieties that are suitable for them.
(Material originated from the Internet, invaded and deleted)