"Chicken" Domestic Small Animals PPT Courseware

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"Chicken" Domestic Small Animals PPT Courseware

discuss:

What parts can a chicken's body be divided into? What do the parts look like? How is it different from other animals? Where do chicks come from?

After observing the chicken's body and activities, ask a few questions that interest you.

We ask questions:

1. How do chickens find food?

2. How do chickens drink water?

3. How are chicks hatched?

Little discovery: Chickens love to eat stones

1. When chickens eat, they eat some stones to help digest food. Most of the food that chickens eat goes into the chicken crop. The chicken crop has a thick muscle wall with a layer of cuticles on it. These cuticles can use stones and sand. Grind up hard-shelled foods.

2. In addition, chickens have fossil gallbladders, which can absorb minerals from stones to replenish the body.

Characteristics of chicken:

1. The whole body is divided into five parts.

2. The whole body is covered with feathers.

3. Living on land, roosters crow and hens lay eggs.

4. Oviparous.

5. Has a beak.

Chicken living habits:

1. Poor cold resistance. The body temperature of newly hatched chicks is 3°C lower than that of adult chickens, and it takes 10 days to reach normal body temperature. In addition, chicks have short and thin fluff and cannot protect themselves from the cold, so they are not very adaptable to the environment and must rely on artificial insulation for normal growth. development. Chicks between 1 and 30 days old must be kept warm and raised in a clean and hygienic environment. For chicks that are over 30 days old, their feathers are basically full and full, so they do not need to be kept warm.

2. High body temperature and rapid growth. Generally, the body temperature of chickens is between 40.8-41.5°C, so they must be raised in an environment with warm winters and cool summers, and good ventilation. In addition, chickens have short digestive tracts, strong metabolism, and rapid growth and development, so they must be fed with adequate nutrition and easy digestion. The feed can meet the needs.

3. Weak resistance. Chicks, in particular, are vulnerable to harmful microorganisms. Therefore, in addition to keeping the environment clean and hygienic, we must also do preventive work. For example, outsiders are strictly prohibited from entering and exiting the chicken house, the environment and cages must be disinfected, and all chickens must be regularly injected with various vaccinations.

4. Easy to scare the crowd. Chickens are timid, especially young chickens, which are prone to flocking. In mild cases, they are crowded and their growth and development are stunted. In severe cases, chickens trample on each other, causing disability and death. Therefore, raise chickens in a quiet place. Rough management, sudden noise, intrusion of dogs and cats, seizures, etc. can cause disturbances in the chickens and affect growth.

5. Afraid of moisture. Chickens should grow in a dry and ventilated environment. If the environment is humid, they will easily get sick.

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Update Time: 2024-08-22

This template belongs to science courseware E-education edition third grade science volume 1 industry PPT template

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