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Abstract

Cytogenetic studies of mares are widely used in practice (in case of embryonic death this is a mandatory test) in countries with developed horse breeding. Genetic evaluation of Equus caballus is also widely performed. Nevertheless, in the available literature, we could not find publications on the...

Author(s)
Tkachev, A. V.; Tkacheva, O. L.; Rossokha, V. I.
Publisher
Agricultural Biology Editorial Office, NPO, Moscow, Russia
Citation
Sel'skokhozyaĭstvennaya Biologiya, 2018, 53, 2, pp 302-308
Abstract

Completing of modern dairy complexes and farms an import livestock demands large financial investments and also creates problems of adaptation of the delivered animals to local climatic conditions that affects further their health and efficiency. For development of dairy cattle breeding and...

Author(s)
Lyashenko, V. V.; Uryadov, P. N.; Kaeshova, I. V.; Gubina, A. V.
Publisher
Redaktsiya zhurnala Zootekhniya, Moscow, Russia
Citation
Zootekhniya, 2018, No.10, pp 18-21
Abstract

The aim of this study is determine the effectiveness of primary and re-insemination of cows of Black-Motley breed at different periods after calving with consideration of embryonic mortality. To work on the principle of analogues the matching groups of animals were formed depending on the period of ...

Author(s)
Taov, I. H.
Publisher
Izdatel'ski Dom "Folium", Moscow, Russia
Citation
Agrarnaya Rossiya, 2017, No.8, pp 32-34
Abstract

Artificial insemination (AI) in vitro had been pioneered by Russian scientist V.P. Vrassky (1855) and later has been developed and advanced by I.I. Ivanov. The latter has been the first who inseminated hens artificially with the sperm obtained from the seminal ducts of slaughtered cocks (1902). AI...

Author(s)
Konoplyova, A. P.; Roiter, Ya. S.
Publisher
"Avian" (Redaktsija zhurnala "Ptitsevodstvo"), Moscow, Russia
Citation
Ptitsevodstvo, 2019, No.3, pp 8-12
Abstract

Causes of low fertility rates of cows (76.2-78.1%) related to viral and bacterial infections, as well as to using of feeds containing mycotoxins, heavy metals and other harmful substances are discussed. It is stated that fertility decreases with the drop in the activity of the endocrine system...

Author(s)
Redkozubova, L.
Publisher
Redaktsiya zhurnala "Zhivotnovodstvo Rossii", Moscow, Russia
Citation
Zhivotnovodstvo Rossii, 2018, No.3, pp 53-54
Abstract

Investigations were conducted in Russia to compare traditional and intrauterine methods of insemination on reproductive performance of sows using 35 experimental and 35 control groups of sows. Data are tabulated on reproduction indicators of sows, i.e. percentage fecundity, total number of healthy, ...

Author(s)
Dzhamaldinov, A. Ch.; Khlopitskiĭ, V. P.; Narizhnyĭ, A. G.
Publisher
Izdatel'ski Dom Svinovodstvo, Moscow, Russia
Citation
Svinovodstvo (Moskva), 2016, No.3, pp 69-71
Abstract

The issues of intensification of cattle breeding are largely determined by the improvement of breed and productive qualities of animals that are realized in the process of reproduction of the herd. Effective reproduction of the herd is one of the most important components of profitable...

Author(s)
Bakovetskaya, O. V.; Fedosova, O. A.; Terekhina, A. A.
Publisher
Redaktsiya zhurnala Zootekhniya, Moscow, Russia
Citation
Zootekhniya, 2018, No.12, pp 30-32
Abstract

The results of a comparative analysis of the productivity of Holsteinized Black-and-White cows are presented, depending on the age of the first insemination. Primers of the Wis Beck Ideal line had the highest productivity, and it was 10073 kg. They outperformed their contemporaries of the line...

Author(s)
Basonov, O. A.
Publisher
Redaktsiya zhurnala Zootekhniya, Moscow, Russia
Citation
Zootekhniya, 2018, No.11, pp 30-32
Abstract

The aim of the studies was to determine the effectiveness of using freshly and cryopreserved sperm with artificial insemination of sows. For this, 20 boar-producers of Welsh breed were selected from which 5 groups of animals were formed, 4 heads each. The experiment lasted 150 days. In the main...

Author(s)
Narizhny, A. G.; Mysik, A. T.; Zasukha, Yu. V.; Grishchenko, S. N.; Grischenko, N. P.; Dghamaidinov, A. Ch.
Publisher
Redaktsiya zhurnala Zootekhniya, Moscow, Russia
Citation
Zootekhniya, 2018, No.10, pp 24-27
Abstract

Information is included on Altrezin based on the synthetic progestogen altrenogest [allyltrenbolone] suppressing development of oestrus allowing synchronization of the oestrous cycle and increase of birth of large-size litters. Investigations were conducted to study the effect of Altrezin on...

Author(s)
Aleksandrov, S. F.
Publisher
Izdatel'ski Dom Svinovodstvo, Moscow, Russia
Citation
Svinovodstvo (Moskva), 2018, No.5, pp 55-56

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