What question did this study set out to answer?

Determine differences in carcass weight, parts yield, and body composition between 1957 and 2001 broiler strains when fed diets representative of each era.

October 1, 2003Poultry ScienceOpen Access

Carcass composition and yield of 1957 versus 2001 broilers when fed representative 1957 and 2001 broiler diets

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Authors

GHGB HavensteinNorth Carolina State University PFPR FerketNorth Carolina State University MQMA QureshiJohannes Gutenberg University Mainz

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Implication

Comparative study demonstrates substantial increases in carcass and breast yield in modern broilers, indicating genetics primarily drove historical production gains.

Key Points

Determine differences in carcass weight, parts yield, and body composition between 1957 and 2001 broiler strains when fed diets representative of each era.
Evaluated 1957 Athens-Canadian Randombred Control (ACRBC) and 2001 commercial Ross 308 broilers fed representative 1957 and 2001 diets.
Sampled broilers at 43, 57, 71, and 85 days of age to measure carcass weight, yields of parts (breast meat, saddle, legs), and chemical levels of fat, moisture, and ash.
Ross 308 broilers on the 2001 diet were 6.0, 5.9, 5.2, and 4.6 times heavier than ACRBC birds on the 1957 diet at 43, 57, 71, and 85 days, respectively.
Hot carcass yields were 11.1 to 13.6 percentage points higher and total breast meat yields (20.0% to 22.2%) were 8.4 to 10.3 percentage points higher in Ross 308 broilers compared to ACRBC controls.
Ross 308 broilers accumulated higher whole carcass fat across all four ages (13.7%, 15.0%, 18.6%, and 18.5%) compared to the 1957 ACRBC strain (8.5%, 10.6%, 12.7%, and 14.0%).

Cite This Study

Havenstein et al. (2003) studied this question.

synapsesocial.com/papers/69eede8ba84321e0ae63c488 https://doi.org/10.1093/ps/82.10.1509

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Implication

Comparative study demonstrates substantial increases in carcass and breast yield in modern broilers, indicating genetics primarily drove historical production gains.

Carcass composition and yield of 1957 versus 2001 broilers when fed representative 1957 and 2001 broiler diets

Discussion

Member takes

Implication

Key Points

Cite This Study

Carcass composition and yield of 1957 versus 2001 broilers when fed representative 1957 and 2001 broiler diets

Discussion

Member takes

Implication

Key Points

Cite This Study

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Also Consider