Reproduction manage the latest populations away from Russian Light birds are directed to help you broadening alive pounds, eggs lbs and you will eggs production.
EGG-Beef Breeds MOSCOW (Moskovskaya)
That it breed was developed during the 1946-67 from the scientists of Moscow Timiryazev Academy of Agriculture from the mating the fresh new crossbred young ones from Brownish Leghorn men and you can Yurlov girls having The fresh Hampshire guys. The three-ways get across birds was in fact bred inter se. Selection was accomplished getting eggs design, viability and you will fleshing.
Inside first stage away from alternatives inbreeding was applied. The typical inbreeding coefficient throughout the lines was only about 20% and the genetic resemblance grounds is 45%. New multiplication off lines are considering class mating of cocks which have chosen half of-sibs otherwise sibs.
From the 1967 this new breeding head, which included the lines A, B, C and D, numbered over seven 000 direct. Throughout the greatest pencils this new egg yield reached 220 and you can champion levels put 260-280 egg a-year.
Just like the 1970 the brand new breeding from Moscow chickens could have been accomplished for the batteries and using artificial insemination. During 7 many years, an appearing brand new range has been created, M5, that have a keen egg creation of 228 eggs annually. It is regularly write hybrids for the crosses which have White Leghorns. The fresh new hybrids put a-year 230-250 eggs consider 58-60 g. From inside the selection for merging element the fresh production from hybrids was compared Norwalk escort reviews thereupon out-of paternal sibs of just one line as well as maternal sibs of your almost every other (controls); at the same time the brand new efficiency out of reciprocal hybrids try opposed.
In the frequencies of ovalbumin genes (A – 0.989) this breed is close to meat-type breeds and in the allele frequencies of the G3 locus (A – 0.750) it is close to Brown and White Leghorns.
The fresh breed are in Moscow and you can Saratov places as well as in brand new Ukraine. Although not by the 1980 its inventory got declined to 42 100 opposed that have 61 100000 inside 1975.
Moscow birds try bred getting eggs and you will meats design. They have a general direct, wide and you will bulging nipple, long and you will broad straight back. The fresh new plumage try dense, black colored, that have otherwise instead of fantastic hackles. Cocks enjoys fantastic feathers on the arms and you can straight back. Ear-lobes are yellow. In hens shanks try black-and-yellow; into the guys shanks try paler, in place of coloration.
The newest real time lbs from 8-week-old pullets was 0.8 hence from cockerels was 0.nine kilogram; adult hens weighing step one.9-dos.2 and cocks 2.6-dos.8 kilogram. Egg-shell colour is actually light brownish. Virility out-of egg has reached ninety-five%; hatchability is 85%. Survival rates of more youthful and of adults is actually 95 and you may 90% respectively. Annual returns averages 215-228 egg consider 56-58 g. Supply use for each and every 10 egg is 1.86-dos.00 kg.
MOSCOW White (Moskovskaya belaya)
That it reproduce are introduced during the 1947-59 of the experts of one’s Ail-Union Institute away from Chicken Breeding at Zagorsk chicken farm for the Moscow region by the mating Russian Light hens and Plymouth Stone and you can Pervomai cocks. Alternatives is actually in accordance with the combination of higher egg manufacturing which have a good fleshing. The latest nucleus inventory integrated simply wild birds that have a flower comb. Into the 1948 this new hens and that fulfilled the standards of your own this new breed got the typical egg creation of 173 eggs toward pounds out-of 60-62 g. The winner put 219 eggs. The common real time lbs of adult hens is dos.seven kg.
Moscow White birds are used for both eggs and you can beef manufacturing. They have a deep and you will broad system, red-and-white ear canal-lobes and a flower comb. Shanks is red-colored and never much time. The newest real time weight out of 8-week-dated chicks is 0.8 kg; adult hens weigh 2.six and you will cocks step three.six kg.
Ages within sexual maturity is 170 weeks. An average annual production is actually 180 egg out of 58 grams; egg shell try white. Fertility away from egg try 95% and you will hatchability ninety%. Emergency speed of your own young stock is actually 95% as well as people ninety%.