Its supply is actually unclear. It’s believed that it absolutely was developed by crossing regional hens which have Buff Orpingtons. An effective hereditary resemblance was based in the polymorphism away from necessary protein loci away from egg from Poltava Clay and you will Rhode Island Reds.
Due to the fact step one951 new Ukrainian Institute away from Poultry Breeding could have been interested in breeding focus on Poltava Clay birds on such basis as size alternatives to improve eggs creation and you will live weight. Five inbred contours certified to have egg manufacturing were were only available in 1966; they certainly were bred by the mating 50 % of sibs. An average development reached 190-209 egg a year with an egg pounds regarding 54-58 g. Production of winners attained 316 egg a year.
The latest merging function away from birds from these brand new contours are checked-out on mix having White Leghorns. The creation of several- or three-range interbreed hybrids was 236-240 egg a-year which have an eggs weight out of 53-54 grams.
Poltava Clay birds was extensively distributed https://datingmentor.org/cs/pansexual-seznamka/ about Ukraine toward facilities maybe not focusing on poultry so that as private possessions of one’s rural population. Nowadays the stock has actually decreased of 747 100000 inside 1974 so you’re able to 626 100000 inside the 1980.
Poltava Clay birds have lover plumage that have black colored tips to flight and end feathers. Ear-lobes try red-colored; brand new comb try green and you will shanks is actually purple.
The brand new breed try increased for egg and you will meats creation. New alive lbs out of 8-week-dated . pullets is 0.8 kg and of cockerels 0.9 kg; adult hens consider 2.2 kg and you will cocks dos.6 kg. Decades at the maturity are 170 days. An average creation of Poltava hens was 170-190 egg a year that have a weight out of 56 g. The fresh egg shell are brownish. Fertility out-of egg try 95% and you may hatchability 88%. Success rates of young stock was 92% as well as grownups 95%.
Poltava Clay chickens are now being bred to possess large eggs design and you will eggs pounds and tend to be used in autosexing crosses that have wild birds that have light Columbian plumage.
MEAT-Egg Breeds ADLER Gold (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.
When making that it reproduce part of the breeding approach is actually number of the young inventory towards alive lbs during the two months old, rates of feathering, meats conformation. In each age group, when selecting birds with the nucleus inventory, preference obtained so you’re able to specimens to your Columbian plumage pattern.
New inventory regarding Adler birds became usually and by 1961 it had achieved 4600 lead; in the 1962 they designated 8100. Into the 1962 20 pencils off similar birds was in fact designed under control to evaluate dicks on the chicken qualities of their young children. Encouraging genealogical contours inside reproduce was acquiesced by 1965. The total stock in this seasons achieved 46 100 and you will conversion from hatching egg flower to help you 500 100000. The fresh reproduce is increased in Krasnodar and you will Stavropol areas and in Azerbaijan. Their populace increased of 110 000 from inside the 1975 in order to 603 000 by 1980.
Attribute options that come with brand new Adler breed is actually: both meats and eggs development, Columbian plumage development, unmarried comb, yellow ear-lobes and you will purple shanks. Such chickens possess a highly-create bones.
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