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Broiler DOC weight
The weight of your broiler DOC plays an important roll in final weight of bird
What is the ideal weight of broiler DOCThe weight of your broiler DOC plays an important roll in final weight of bird
What is the ideal weight of broiler DOC
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6 Replies
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All commercial breeders of poultry published guidelines for weight. Look at the breeder guide for your birds to locate the day of hatch or day 1 of live body weight and use that number as a reference to what is the expected average weight for a newly hatched chick. By establishing a desired flock uniformity, you can determine what is the minimum acceptable weight for your farm.
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The discussion below from a weekly check-in for the Asia Basic Poultry Production Cohort #6 may be of interest.
ASSESSING CHICK QUALITY – key parameters include:
Absence Of Deformities Or Infections – chicks should have no physical abnormalities or twisted beaks, red hocks, or infections.
Red hocks in DOCs are primarily caused by poor incubation conditions, such as high humidity or improper temperature settings during the hatching process. Chicks with red hocks often suffer from leg weakness, making them less mobile. The damaged skin around the hocks can become a site for infections, further compromising the health and mobility of affected birds. This reduces their ability to access feed and water consistently, leading to suboptimal growth and poor FCR.
Chick Length – longer chick length is associated with better development and higher vitality. Optimal ranges typically fall between 16-20 cm (from the tip of the beak to the end of the middle toe when the chick is fully stretched) for broilers.
Studies show that chick length positively correlates with post-hatch growth rates, feed conversion efficiency, and final body weight. Longer chicks tend to start stronger and grow faster compared to shorter ones.
Chick length reflects the degree of embryonic development, as it excludes the variability caused by residual yolk weight, which can distort body weight measurements. This makes body weight less reliable as a sole indicator of chick quality.
Body Weight – DOC weight includes residual yolk, which does not necessarily reflect the chick’s developmental quality. A high yolk residue may indicate less embryonic development despite a higher body weight.
Body weight can also be influenced by factors such as egg size and breeder hen age, which may not directly correlate with chick vitality or long-term performance.
Body weight is a simple and objective metric that can be quickly assessed in large numbers of chicks, making it practical for hatchery operations.
Navel Quality – clean and well-healed navels reduce susceptibility to bacterial and fungal infections, supporting better post-hatch performance. Chicks with well-healed navels are more likely to exhibit high vitality, proper growth, and lower mortality rates.
Alertness – the ability of DOCs to stand within 3 seconds of being placed on their backs is a key indicator of chick quality and vitality. It demonstrates proper musculoskeletal development and strength, essential for accessing feed and water immediately after placement.
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37-45 gm
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37g SHOULD BE REJECTED
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44g
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Nice discussion
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