Chickens feel sexually mature at 165-170 times of age

2022-11-15 efeo Brak

Chickens feel sexually mature at 165-170 times of age

Breeding work on the fresh communities regarding Russian Light birds is actually directed so you can expanding live lbs, egg pounds and you will eggs development.

EGG-Animal meat Types MOSCOW (Moskovskaya)

So it breed was developed throughout the 1946-67 by researchers of Moscow Timiryazev Academy off Farming because of the mating the crossbred young children of Brown Leghorn males and you can Yurlov female that have The newest Hampshire guys. The three-means get across birds had been bred inter se. Alternatives was achieved for egg creation, stability and fleshing.

From inside the very first phase of options inbreeding was used. The average inbreeding coefficient about outlines is no more than 20% as well as the hereditary similarity factor are forty five%. The latest multiplication from outlines is actually according to category mating regarding dicks that have picked 1 / 2 of-sibs otherwise sibs.

From the 1967 the latest breeding head, which included this new traces A great, B, C and you may D, designated more seven 000 lead. Regarding the most readily useful pens the newest egg yield hit 220 and you can winner levels brought 260-280 egg per year.

Since the 1970 the newest breeding out-of Moscow chickens could have been achieved when you look at the electric batteries and ultizing artificial insemination. During the time of eight many years, a growing the fresh new range has been made, M5, that have an enthusiastic eggs creation of 228 egg a-year. It is used to write hybrids from inside the crosses which have Light Leghorns. The fresh hybrids put a-year 230-250 eggs weigh 58-60 g. Into the selection for consolidating feature the newest returns off hybrids try compared with that regarding paternal sibs of 1 range and of maternal sibs of the almost every other (controls); meanwhile the latest production away from mutual hybrids was 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 new reproduce can be found in Moscow and Saratov regions along with the latest Ukraine. not by the 1980 their stock had refused so you can 42 100 compared with 61 100 inside 1975.

Moscow chickens is bred getting eggs and beef manufacturing. He’s got a standard head, greater and you may protruding breast, a lot of time and you may greater right back. Brand new plumage are thicker, black, that have otherwise rather than fantastic hackles. Dicks has fantastic feathers with the arms and straight back. Ear-lobes is actually yellow. From inside the hens shanks try black-and-yellow; from inside the people shanks is paler, rather than coloration.

The fresh new alive lbs off 8-week-dated pullets are 0.8 and this regarding cockerels is actually 0.nine kg; mature hens weighing step 1.9-dos.dos and you will dicks 2.6-2.8 kilogram. Egg-cover along with try white brown. Virility from eggs is located at 92%; hatchability try 85%. Emergency price of your own young and of people are 95 and you will 90% respectively. Yearly output averages 215-228 eggs consider 56-58 grams. Supply practices for each and every 10 eggs is actually step 1.86-dos.00 kilogram.

MOSCOW Light (Moskovskaya belaya)

Which breed is actually delivered throughout 1947-59 from the experts of one’s Ail-Connection Institute out of Poultry Breeding from the Zagorsk poultry ranch in Moscow part because of the mating Russian Light hens and you will Plymouth Rock and you may Pervomai cocks. Alternatives was according to the blend of highest eggs creation which have an effective fleshing. The brand new nucleus stock provided only wild birds which have a flower brush. For the 1948 the new hens and therefore satisfied the factors of the latest reproduce got the common egg creation of 173 eggs to the pounds out of 60-62 grams. The fresh champion applied 219 egg. An average live lbs out-of mature hens is kilogram.

Moscow White birds are utilized both for eggs and beef design. He has an intense and you will broad muscles, red-and-white ear-lobes and you will a rose brush. Shanks try red-colored rather than a lot of time. The brand new live pounds out of 8-week-old girls is actually 0.8 kg; mature hens consider dos.six and you may dicks step 3.6 kg.

Many years at the sexual maturity is 170 months. The average annual manufacturing is actually 180 eggs out of 58 g; egg-shell are white. Fertility of eggs was 95% and you can hatchability 90%. Endurance rate of the younger inventory is 95% and of people 90%.

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