Effect of early mating of goats of the altai white down breed on growth, development and reproductive qualities
https://doi.org/10.26897/0021-342X-2022-2-109-116
Abstract
Increasing the production of mutton and goat meat is essential for the food security of the Russian Federation, therefore, studies on early mating of animals are relevant, since early mating allows more offspring to be produced at an earlier date. The aim of the study was to compare the reproductive qualities, growth and development characteristics of goatlings when they are mated at 7 months of age and at 18 months of age. It was found that an experimental group of two-years-old goatlings outperformed the controlled group of one-year-old ones in all the measurements, but significant differences were found in the oblique body length and chest width. Goatlings at two years of age compared to those at one year of age had a more compact and massive body with a broader chest. In the group of goatlings of 30 heads (n=30) born at seven months of age, 27 or 90% live kid goats were born. At the same time, the average live weight of goats at birth hatched at 18 months and 7 months differed insignificantly. Thus, early mating does not negatively effect on their growth and development, and allows additionally getting 90 kid goats per 100 goatlings.
About the Authors
Yusupzhan A. Yuldashbaev
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation
Russian Federation
Yusupzhan A. Yuldashbaev, RAS Academician (Full Member), DSc (Ag), Professor, Acting Director of the Institute
49 Timiryazevskaya Str., Moscow, 127550, Russian
Federation
phone: (905) 551–72–41
Tatiana B. Kargachakova
Gorno-Altai Research Institute of Agriculture – “Federal Altai Scientific Center of Agrobiotechnology”
Russian Federation
Russian Federation
Tatiana B. Kargachakova, Senior Research Associate, the Animal Husbandry Laboratory
2 Katunskaya Str., v. Mayma, Altai Republic, 649100, Russian Federation
phone: +7 388 44–2–11–84
Aleksandr I. Chikalev
Gorno-Altai Research Institute of Agriculture – “Federal Altai Scientific Center of Agrobiotechnology”
Russian Federation
Russian Federation
Aleksandr I. Chikalev, Senior Research Associate, DSc (Ag), Associate Professor, the Animal Husbandry Laboratory
2 Katunskaya Str., v. Mayma, Altai Republic, 649100, Russian Federation
phone: +7 388 44–2–11–84
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Review
For citations:
Yuldashbaev Yu.A., Kargachakova T.B., Chikalev A.I. Effect of early mating of goats of the altai white down breed on growth, development and reproductive qualities. IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY. 2022;(2):109-116. (In Russ.) https://doi.org/10.26897/0021-342X-2022-2-109-116
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