Broiler-breeder fertility links flock management with future meat supply

Reduced fertility in broiler breeders has become an applied-research priority for USPOULTRY. In a call published on 10 September, the association seeks proposals on how to sustain fertility, hatchability and productivity throughout the breeding cycle. The notice does not present a new scientific result; rather, it sets out a research agenda that shows where the industry sees risks to chick supply.

The association identifies flock age, male and female reproductive performance, body-weight management, nutrition, environmental conditions, health and mating behaviour as possible factors. Proposed research includes male-to-female ratios across genetics, housing systems and ages, as well as feeder space, feed distribution, feeder design, male competition and breeder selection or culling.

Its relevance to the poultry-meat chain lies in the link between apparently small management decisions and later supply availability. Fertility is not merely a hatchery figure: it determines how many chicks enter the system and affects planning for grow-out, slaughter and finished product. Sound research will need to separate management, genetics, environment and health effects instead of assigning changes to a single variable.

There is also a welfare dimension. Measures intended to improve reproductive efficiency must be assessed alongside body condition, competitive pressure and animal behaviour. The call therefore advances a useful principle: stable supply should be built with biological and welfare indicators, not production targets alone.