RTBS Rypin – Rypińskie Towarzystwo Budownictwa Społecznego

The eggshell occurrence, contour and you will weight are important characteristics, for both the maker in addition to consumer, additionally the variations regarding laying contour are related [35,36]. This new eggshell occurrence is comparable to the length of eggshell development, and you can immature shell glands write egg that have a thin eggshell . The outcome of the current demonstration, for most the fresh breeds, agree with the research in past times revealed from the almost every other article writers towards the eggshell occurrence from 20–24 days to 56–sixty weeks old. In today’s demonstration, toward earliest several months, the fresh slimming down calcium supplements try less than you to definitely recommended to own hybrid ytterligare lГ¤sning pullets not as much as a growing photoperiod to stimulate sexual readiness . The choice of instance a nutrition is actually addressed to purebred wild birds reared outside not as much as ecological criteria not the same as those of new intense rearing system.

It’s really worth remembering that, on very first years, for everyone types, the newest eggshell occurrence beliefs was basically on the diversity discovered by most other writers . Czytaj więcej →