Dynamics of linear growth and performance of two-year-old young tropping horses
DOI:
https://doi.org/10.31548/dopovidi2022.06.005Keywords:
Orlov’s trotter, Russian trotter, height at the withers, oblique body length, girth of the hand, girth of the chest behind the shoulder blades, playfulnessAbstract
The linear growth and performance of young horses of the Oryol and Russian trotting breeds of two years of age of the PE "Sukach V.P." were studied.
The conducted analysis of the dynamics of linear growth shows that two-year-old stallions and fillies of the Oryol trotting breed outnumber the young of the Russian trotting breed. Although, it should be noted that fillies of the Orlov trotting breed did not significantly differ from female Russian trotting breeds in terms of breast girth and wrist girth. In addition, it was established that fillies of the Russian trotting breed were slightly inferior to the requirements of the control scale for the development of young trotting breeds in terms of measurements: height at the withers - by 0.7 cm, chest girth - by 4.9 cm, and instep girth by 0.2 cm.
For horses of trotting breeds, liveliness is considered the main selection feature, and the main selection criterion is liveliness at 1600 m.
In order to qualify, two-year-old young Orel trotters, regardless of gender, must complete a distance of 1,600 m in 2.55.0 and faster, and for Russian - 2.50.0 and faster.
The stallions of the Oryol breed were 2.3 seconds faster, and the Russian stallions yielded to the requirements of the standard by 1.2 seconds, which confirms the better precociousness of the Oryol population in comparison with peers of the Russian trotting breed.
The mares of both experimental breeds were inferior to the standard of the Oryol trotting breed by 9.1 seconds, and the Russian one by 2.5 seconds, which is undesirable especially for the mother stock of the Oryol population.
So, it was established that regardless of age, the young of the Orlov trotting breed are more precocious than the young of the Russian trotting breed, but according to the liveliness index, on the contrary, stallions and mares of the Russian trotting breed prevailed over the Orlov.References
Hopka B.M., Khomenko M.P., Pavlenko P.M. (2004) Koniarstvo. Pidruchnyk. Kyiv. Vyshcha osvita.
Hopka B.M. Burenko A.V., Shapoval V.M. (2007) Zhvavict i ckorocpilict orlovckykh rycakiv. Naukovyi vicnyk NAU, 114, 45-52.
Kalinkina G.V. (2006) Orlovckiy rycak cegodnya. Katalog rycakov orlovckoy porody klacca 2.10. Moskva: VNII konevodctva. 3-14.
Katalog rycakov klacca 2.05 (orlovckiye i rucckiye) (2005). Moskva.
Katalog zherebtsov-proizvoditeley rucckoy rycictoy i ctandartbrednoy porod na 2001 god (2001). VNII konevodctva.
Miller P. (1996) Hodivlia ta robotozdatnict konei. Tezy dopovidei mizhnarodnoi konferentsii, orhanizovanoi Aiovckym (CShA) ta Natsionalnym (Ukraina) ahrarnymy univercytetamy (рр. 169-178). Kyiv.
Pashchenko N. P. (2002) Determinatsiia zhvavosti konei rosiiskoi rysystoi porody kompleksom morfometrychnykh oznak (Doctoral thesis, Natsionalnyi ahrarnyi universytet, Kyiv, Ukraine)
Plokhinckiy N.A. (1969) Rukovodctvo po biometrii dlya zootekhnikov. Moskva: Koloc.
Rozhdectvenckaya G.A. (2003) Orlovckiy rycak. Moskva: Akvarium.
Parfenov V.A. (2001) Orlovckiy rycak – 225 let pobed i porazheniy. Konnyy mir. No. 6. P. 10-16.
Downloads
Published
Issue
Section
License
Relationship between right holders and users shall be governed by the terms of the license Creative Commons Attribution – non-commercial – Distribution On Same Conditions 4.0 international (CC BY-NC-SA 4.0):https://creativecommons.org/licenses/by-nc-sa/4.0/deed.uk
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).
