What does the filters mean?
Parent Stock Age
Day-old chicks from younger parents than app. 32 weeks are smaller than day-old chicks from older parents. A smaller day-old chick will have a smaller average daily gain and can have a higher mortality in the first part of the production period.
Some productions meet special criteria for lower density. A lower density will reduce the production of kg meat per m2 but it will increase the potential live performance.
Feed can be optimized for best results or a combination of price and quality. High spec feed is at or very close to the recommendations from the genetic companies. Standard spec feed is optimized to make a compromise between acceptable quality and reduced price.