PANTSIREV (Pantsirevskaya)
It breed was made throughout 1947-61 in the Pantsirev breeding state farm from the Volga urban area of the crossing Light Leghorns, Rhode Area Reds, The brand new Hampshires, Black colored Australorps and you will White Plymouth Rocks. The idea were to create a native variety of twin-objective types of with a high eggs and you may beef creation.
In the 1st phase Leghorn hens was in fact mated so you can Rhode Island and you will The new Hampshire cocks. In another classification Rhode Area hens was indeed mated that have This new Hampshire cocks. Inside 1948 the fresh crossbred hens was indeed mated to help you This new Hampshire, Rhode Area or Leghorn dicks. Shortly after 1951 the three-way crosses were bred inter se which have band of hens hence got white or black plumage and you can a leading eggs production.
When you look at the 1954 Black colored Australorp dicks had been mated to the black colored hens on crossbred population and white hens were mated with White Plymouth Rocks. Subsequent reproduction works are led to help you expanding growth rate.
Pantsirev birds used to be widely spread about Volga town. He or she is fabled for the flexibility so you can regional requirements. Inside 1974 the latest stock designated 278 100000 however, because of the 1980 it had opted down seriously to twenty-two 100000. Lower dual-mission creation looked like the key reason because of it fall off.
Pantsirev black colored hens used for meat and eggs manufacturing features an excellent strong and you will greater looks, red-and-white ear canal-lobes and a single brush. Shanks is black-and-white. Cocks normally have several white feathers near seat and you may end.
The latest real time weight of 8-week-dated birds are 0.91 kilogram; that adult hens is 2.cuatro as well as dicks step three.dos kg. An average yearly development is 180 eggs from 57 g. Egg-shell are solution-colored. Virility out of egg try 95% and you may hatchability 85%. Emergency rate of your own more youthful is actually 86%.
The population from Pantsirev hens which have light plumage is for eggs and you can meat manufacturing. He's got a little lead having just one brush and you can compact system. Ear-lobes try red-colored-and-light.
The newest real time weight regarding 8-week-old chickens try 0.93 kilogram; that of mature hens 2.5 and of cocks step three.0 kilogram. Many years during the sexual maturity is 170 months. An average annual production is actually 190 eggs out of 58 grams. Egg-shell try light ointment. Fertility off eggs is actually 95% and you can hatchability are 80%. Endurance speed of your own more youthful was 95% and of grownups 96%.
PERVOMAI (Pervomaiskaya)
That it breed was created during the Pervomai county farm about Ukraine (1935-41) and at Pachelma state farm during the Penza part (1942-63) regarding a about three-breed cross.
Light Wyandotte cocks was basically mated with Rhode Area hens and you can a crossbred penis is chose which had been mated which have Yurlov hens. Around three contours was indeed molded by the breeding the three-reproduce crosses inter se using 50 % of-sib mating.
While in the The second world war the population decreased in order to forty-eight hens and 6 dicks; the brand new nucleus inventory provided only ten hens and you will cuatro dicks. When you look at the 1947 this new Pervomai populace risen up to 180 and in 1948 so you can 670 wild birds. Range options was then abandoned of the negative effectation of inbreeding on the viability, hatchability and you can egg development. Area of the reproduction procedures turned into high-level crossing off contours and infusion out-of fresh bloodstream of males off their facilities. The entire year 1956 marked the latest resumption out of range selection, breeding guys getting examined on growth rate of its kids https://datingmentor.org/okcupid-vs-tinder/. Because of the 1962 the populace of the Pervomai breed attained 56 000 direct.
For the entire chronilogical age of reproduce development, choices is carried out to have large growth rate, highest eggs production and early maturity. Annual creation of hens improved out of 135 so you're able to 195 egg, weigh 56-57 g. Hatchability increased of 66 to help you 78%. Eggs creation of winners reached 256-270 eggs.
Part of the downside associated with breed is too low a launch and you will failure to help you contend with modern extremely certified egg-beef lines. For this reason the people out-of Pervomai chickens started initially to drop sharply as well as in 1975-80 it designated simply 2100-2500 head.