Submit or Track your Manuscript LOG-IN

The Influence of Seasonal Factors on the Quantitative and Qualitative Parameters of Ram Semen of the Dzhalginsky Merino Breed

The Influence of Seasonal Factors on the Quantitative and Qualitative Parameters of Ram Semen of the Dzhalginsky Merino Breed

Tatyana Mamontova1*, Konstantin Katkov1, Natalia Kizilova2 and Ali-Magomet Aybazov1

1North Caucasus Federal Agrarian Research Centre, 355004, Stavropol, Russian Federation
2Stavropol State Agrarian University, 355004, Stavropol, Russian Federation
 
* Corresponding author: mamontova.vniiok@gmail.com

Fig. 1.

Span diagram illustrating the results of variance analysis of a) semen volume, b) concentration, c) mobility and d) survival.

Fig. 2.
The dependence of semen volume on the duration of daylight.
Autumn semen values are marked with ●. The values obtained in winter are shown by *. Spring measurements are shown by ♦, summer semen measurements by *. The arrows show measurements taken on days as close as possible to the days of the summer and winter solstices (June 19, 2020 and December 20, 2019), as well as to the days of the autumn and spring equinox (September 20, 2019, and March 20, 2020). 
Fig. 3.

The ratio of changes in the volume of semen in rams and the duration of daylight: a) semen volume versus collection week number; b) dependence of the gradient of daylight on the week number of sperm collection; c) graphic area gradient of daylight.

Fig. 4.
Dependence of semen volume on the gradient value of daylight. 
For statistical details, see Figure 2.  

Pakistan Journal of Zoology

August

Vol. 54, Iss. 4, Pages 1501-2001

Featuring

Click here for more

Subscribe Today

Receive free updates on new articles, opportunities and benefits


Subscribe Unsubscribe