Category of multiplication flocks whose mission is the second crossing of lines (breeds) and production of hatching eggs of the final hybrids.
Related terms
Parents
Individuals of the dam and sire lines with tested performance and combining abil...
Part per billion (ppb)
A unit equal to one billionth (10⁻⁹) of the whole.
Parts per million (ppm)
A unit equal to one millionth of the whole (0.001%).
Peak of egg production
The highest egg production achieved by a hen or flock during the laying period.
Pedigree hatching tray
Hatcher tray or box with partitions/holes that prevents uncontrolled movement of...
Pekin of English type
A meat-type duck breed originating from China and refined in England; characteri...
