Pullet chickens management knowledge-Selection of chicks

After the chicks hatch eggshells in the hatchery and are transferred from the hatcher, they have already undergone considerable operations, such as picking and grading, individual selection of chicks after hatching, selection of healthy chicks, and removal of weak and weak chicks. Sick chicks, male and female identification, and some have even been immunized, such as the Marek’s disease vaccine immunization for chicks after hatching. To evaluate the spray rate of 1-day-old chicks, it is necessary to inspect the individual chicks and then make a judgment. The inspection contents mainly include:


1.Reflective ability

Put the chick down, it can stand up quickly within 3 seconds is the healthy chick; if the chick is tired or weak, it may only stand up after 3 seconds.


Healthy chicks are clear, with open eyes and shiny; weak chicks have closed eyes and are dull.

3.Belly button

The umbilical part of the cocoon is well healed and clean; the umbilical part of the weak chick is uneven, with yolk residue, the umbilical part is poorly healed, and the feathers are stained with egg white.


The beak of the healthy chick is clean and the nostrils are closed; the beak of the weak chick is red and the nostrils are dirty and deformed.


5.Yolk sac

The healthy chick has a soft stomach and stretches; the weak chick has a hard stomach and tight skin.


Healthy chicks are dry and shiny; weak chicks are wet and sticky.


All healthy chicks are the same size; more than 20% of weak chicks are above or below average weight.


8.Body temperature

The body temperature of healthy chicks should be 40-40.8°C; the body temperature of weak chicks is too high or too low, higher than 41.1°C, or lower than 38°C, and the body temperature of chicks should be 40°C within 2 to 3 hours after arrival.

Please continue to follow me, the next article will introduce the transportation of chicks~

Post time: Apr-07-2022

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