Croygenic processing has been around for number of years in NASCAR but it is starting to be used in off road racing as well as many other forms of racing, too. Caven says he uses a ring pack that is less than 3 mm for the CORR engine, and that the oil ring is really just there for insurance.
Hybrids are the earliest birds to start laying, starting about 1 month earlier than non-hybrids. Non-hybrids, which include our rare and heritage breeds, typically begin laying about one month later than hybrids. Most of the egg laying hybrids start laying at 4 to 5 months of age. These include Pearl White Leghorns, Black Stars, and Red Stars. Hybrid egg layers are bred by crossing two different lines or breeds. They are known for their excellent productivity and high feed conversion ratio.
Single Comb White Leghorn pullets, and Single Comb Rhode Island Red pullets were placed in the intervening ones. For a three-week period previous to the starting of the experiment each pen was headed by a male of the same breed as were the females. The first eggs were saved on Tuesday, January 24, and on the following