Due to the fragile constitution of broiler chickens, it's essential to isolate and rear the broodstock separately. If left in a mixed flock, stronger birds may bully the weaker ones, restricting their access to food, water, and movement, which can ultimately lead to death.
To support weak chicks, it's important to increase the brooding temperature. These chicks often suffer from poor embryonic development, late hatching, or incomplete yolk absorption. Therefore, a higher temperature should be maintained during brooding to help the embryo develop further and ensure full yolk absorption. Weak chicks are usually placed near the heat source, with the ambient temperature kept between 34°C and 36°C. For individual chicks, the temperature on their bellies should be around 37°C.
Another critical aspect is providing supplementary fluids. Weak chicks often have slow development and impaired physiological functions, and high brooding temperatures can cause increased water loss. This can lead to dehydration and hinder growth. To address this, it's recommended to provide 5% glucose water or 8% white sugar water, allowing the chicks to drink freely. For those that cannot drink on their own, use a dropper to administer 2–3 drops at a time.
Feeding should be done rationally. Since weak chicks haven’t fully developed their digestive systems and may not have completely absorbed their yolk sac, feeding must be carefully managed. Avoid overfeeding or underfeeding. One method is to feed them easily digestible foods, such as 3–5 eggs per 100 chicks daily. Crack the eggs and mix them evenly into the feed to boost nutrition. Another option is to add yeast tablets—use 6–8 tablets per 500 grams of feed daily. Mix thoroughly and feed for 3–5 days to promote digestive organ development and improve digestion.
Finally, strengthening nursing care is crucial. First, maintain clean and healthy living conditions for the chickens. Second, administer antibiotics: in the early stages, mix penicillin at a concentration of 1–2 times the standard dose, with 3,000–5,000 international units per chick. Also, offer a 0.01% potassium permanganate solution as a drinking water supplement. Third, isolate and treat any sick chicks promptly. Feeding leeks and garlic can provide additional vitamins, have antibacterial properties, and stimulate appetite.
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