Their resource are undecided. It is believed that it actually was produced by crossing local hens which have Fan Orpingtons. A great hereditary similarity are based in the polymorphism off necessary protein loci away from egg regarding Poltava Clay and Rhode Isle Reds.
Since step one951 the latest Ukrainian Institute from Poultry Breeding might have been involved in breeding work at Poltava Clay birds on such basis as size options to improve eggs production and you may live weight. Four inbred outlines certified for eggs manufacturing was in fact started in 1966; these people were bred by mating 1 / 2 of sibs. The common development achieved 190-209 eggs annually that have an eggs pounds away from 54-58 grams. Production of champions attained 316 egg a-year.
New consolidating function regarding birds from the the fresh new outlines is checked-out from the cross with Light Leghorns. Producing several- or about three-line interbreed hybrids is 236-240 egg a-year that have a keen egg pounds out of 53-54 g.
Poltava Clay birds is commonly marketed regarding the Ukraine towards the farms maybe not specializing in poultry so when private assets of outlying populace. Lately the inventory enjoys diminished out of 747 100000 in 1974 to 626 000 inside the 1980.
Poltava Clay birds has actually buff plumage that have black colored ideas to trip and you may tail feathers. Ear-lobes is yellow; the latest brush are red and shanks is actually purple.
The latest reproduce are increased to own eggs and you may animal meat production. The brand new real time weight out of 8-week-dated . pullets was 0.8 kg and of cockerels 0.9 kg; adult hens weighing dos.2 kilogram and dicks 2.6 kg. Age during the maturity try 170 weeks. An average creation of Poltava hens try 170-190 egg annually that have an encumbrance from 56 g. The newest egg-shell are brownish. Virility off egg try 95% and you will hatchability 88%. Emergency rates of younger stock is actually ninety-five% and of grownups 95%.
Poltava Clay chickens are bred to own large egg manufacturing and you can eggs weight and so are used in autosexing crosses with wild birds which have light Columbian plumage.
MEAT-Eggs Types ADLER Silver (Adlerskaya serebristaya)
This breed was produced in the Adler poultry complex in Krasnodar territory during 1951-65 by crossing chickens of five breeds. Males of the Pervomai breed were mated with Russian White females and the F1 crosses were bred inter se. F2 progeny with a high production and viability were mated with New Hampshire males in order to improve meat qualities. The three-breed crosses were bred inter se. Offspring selected on appearance and growth rate were mated with White Plymouth Rock cocks for further improvement of meat conformation. These four-way crosses were bred inter se and their offspring were selected according to “standard” requirements. Some of these hens were mated with Yurlov cocks and the five-way crosses were bred inter se.
For making so it breed an element of the reproduction method is set of the young stock into alive pounds on 60 days old, rate from feathering, meats conformation. In for every generation, whenever choosing birds on the nucleus inventory, liking obtained to specimens to the Columbian plumage pattern.
New inventory regarding Adler birds became usually by 1961 it had hit 4600 lead; into the 1962 it designated 8100. In the 1962 20 pens from similar birds was molded managed to evaluate dicks into the meats characteristics of their children. Promising genealogical outlines in the breed was basically acquiesced by 1965. The complete stock for the reason that 12 months reached 46 100 and you can conversion out of hatching egg flower so you’re able to five-hundred one hundred thousand. New breed is elevated in Krasnodar and you can Stavropol regions and also in Azerbaijan. Its people improved out-of 110 one hundred thousand within the 1975 to 603 one hundred thousand by the 1980.
Trait options that come with this new Adler breed are: both meat and you can egg design, Columbian plumage development, solitary comb, reddish ear-lobes and you may reddish shanks. These chickens features a well-setup skeleton.