This type of types are known as twin-purpose (beef and you can egg) breeds, even though variations in adult body size can be found (Dining table 1)
The purpose of which job is to study the end result off reproduce and you can age toward egg manufacturing in addition to egg outside and you may interior quality inside four Italian dual-objective types , at the beginning and some months later on than simply earliest months installing interest you to taken place, correspondingly, at the conclusion of summer/beginning of autumn plus cold weather, less than variable environment criteria.
dos.step one. Animals and you will Rearing Criteria
Five Italian chicken breeds, Pepoi (PP), Ermellinata di Rovigo (ER), Robusta Maculata (RM) and you will Robusta Lionata (RL), was thought on data. Your body lbs from mature females is actually step 1.25 kg in the PP, dos.29 kilogram within the Er and 3.05 kg inside the RM and you will RL. The resource ‘s the Veneto area (Italy): PP is actually a classic regional breed; their resource try dated back again to this new XIX century, however, zero accurate analysis with the the genetic resource can be found. One other types are formulated within the Veneto when you look at the 1950s: the fresh new Emergency room reproduce is inspired by Sussex (tinted eggshell reproduce) and you can Rhode Area (brown eggshell breed) types, while toward RM and you may RL types, Brownish Orpington and you may Light The united states, a few brown eggshell types were utilized . (далее…)