Their origin was not sure. It is thought that it absolutely was produced by crossing regional hens with Lover Orpingtons. A genetic similarity was based in the polymorphism regarding protein loci away from eggs out-of Poltava Clay and you can Rhode Island Reds.
Once the step 1951 the newest Ukrainian Institute out-of Poultry Reproduction has been involved in-breeding manage Poltava Clay birds based on mass selection to increase eggs development and you can alive weight. Five inbred contours certified to have egg development have been started in 1966; they were bred by the mating 50 % of sibs. The average production achieved 190-209 egg a-year which have an enthusiastic egg pounds of 54-58 grams. Production of champions hit 316 eggs per year.
New merging feature off birds from all of these this new lines was tested on the cross that have White Leghorns. Producing a couple of- otherwise about three-line interbreed hybrids is 236-240 eggs a-year which have an eggs pounds of 53-54 g.
Poltava Clay chickens are widely marketed on Ukraine to the facilities perhaps not specializing in chicken so that as private possessions of your outlying population. Recently their inventory has actually diminished away from 747 000 inside the 1974 to 626 100 for the 1980.
Poltava Clay birds features buff plumage with black colored suggestions to airline and tail feathers. Ear-lobes try purple; the fresh comb is actually green and you may shanks is yellow.
This new breed was increased to have egg and you will animal meat production. The new real time pounds regarding 8-week-dated . pullets is actually 0.8 kilogram and of cockerels 0.9 kg; adult hens consider 2.dos kilogram and cocks 2.6 kilogram. Ages on readiness try 170 weeks. The common production of Poltava hens are 170-190 egg a year with a burden from 56 g. The latest egg shell is brown. Virility out of egg is actually 95% and hatchability 88%. Emergency rates of the more youthful inventory are ninety five% as well as people 95%.
Poltava Clay chickens are increasingly being bred getting high eggs production and you will eggs pounds consequently they are used in autosexing crosses having birds with white Columbian plumage.
MEAT-Eggs Types 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 which breed part of the reproduction method is group of the young inventory on alive lbs at two months old, speed out-of feathering, meats conformation. For the for each age group, when choosing birds to the nucleus inventory, liking was given in order to specimens with the Columbian plumage pattern.
The fresh stock off Adler chickens expanded constantly and by 1961 they got attained 4600 lead; inside 1962 they designated 8100. In 1962 20 pencils off comparable birds was in fact shaped managed to check cocks on the beef features of its girls and boys. Promising genealogical outlines inside reproduce was acknowledged by 1965. The entire stock in http://www.datingmentor.org/over-50-dating that seasons attained 46 100000 and you will sales off hatching eggs flower in order to 500 100. The brand new breed are elevated from inside the Krasnodar and you can Stavropol areas plus in Azerbaijan. The people increased out-of 110 100000 in the 1975 to 603 000 by 1980.
Trait options that come with the new Adler breed are: one another beef and you may egg manufacturing, Columbian plumage development, unmarried brush, red ear canal-lobes and you may purple shanks. These types of birds enjoys a well-build skeleton.