B Kh Galiev, N M Shirnina, I A Rakhimzhanova, A S Baykov, I S Miroshnikov, N N Dokina

Acknowledgements:

Research was carried out according the plan of research scientific works on 2019-2021 yy. FSBSI FRC BST RAS (No 0761-2019-0005)

DOI: 10.33284/2658-3135-102-3-94

UDC 636.085.53:636.085.25

The influence of preparation technology of a concentrated portion of diets

on the cicatricial digestion of young cattle 

B Kh Galiev1, N M Shirnina1, I A Rakhimzhanova2, A S Baykov2, I S Miroshnikov1, N N Dokina1

1 Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences (Orenburg, Russia)

2 Orenburg State Agrarian University (Orenburg, Russia)

Summary. The article studies the effectiveness of the use of cavitated concentrates (grain mix, wheat bran) on the synthesis of fats of volatile fatty acids (VFAs) and their quantitative conversion into other energy compounds in fore-stomachs of red steppe bulls during rearing and fattening.

Based on the studies, it was found that after feeding with cavitated grain mixtures and wheat bran, the synthesized amount of volatile fatty acids (VFA) became higher by 0.18 and 0.64 kg or 8.4 and 29.8%, respectively.

The difference in energy value of the analyzed VFA was 3.2 and 11.73 MJ or 8.36 and 29.88% in favor of experimental groups I and II, respectively.

If we consider separately volatile fatty acids, then they amounted to acetate – 1.43; 5.07 MJ (8.45; 29.95%), propionate – 0.77; 2.73 (8.43; 29.90%), butyrate – 0.81; 2.93 (8.27; 29.93%) and higher fatty acids – 0.28; 1.03 MJ (7.98; 34 %).

During reaing and fattening of experimental calves of the Red Steppe breed in the control group, where grain mixtures of traditional preparation were used, 54.58 MJ (58.50%) of energy was received through pre-gastric digestion, after use of cavitated grain mixtures and wheat bran in the diets these figures were higher 4.97 and 17.02 MJ (8.46-30.01%).

It should be noted that in group II this indicator was higher by 12.05 MJ (19.87%) in comparison with the analogues from group I which received cavitated grain mix in the diet.

The introduction of cavitated concentrated feed into the diet of young fattening positively affects ruminal digestion.

Key words: bulls, Red Steppe breed, feed allowance, cavitation, ruminal content, volatile fatty acids (VFA), synthesis and conversion of energy compounds, higher fatty acids (HFA), microbial mass.

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Galiyev Bulat Khabuleevich,Dr. Sci (Agr.), Professor, Chief Researcher, Department of Agricultural Animals Nutrition and Fodder Technology named after SG. Leushin, Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Januarya St, tel.: 8(3532)43-46-79, е-mail: vniims.or@mail.ru

Shirnina Nadezhda Mikhailovna,Cand. Sci (Agr.), Senior Researcher,Department of Agricultural Animals Nutrition and Fodder Technology named after SG. Leushin, Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Januarya St, tel.: 8(3532)43-46-79, е-mail: vniims.or@mail.ru

Rakhimzanova Ilmira Agzamovna, Dr. Sci (Agr.),Head of the Department of Electrical Technology And Electrical Equipment, Orenburg State Agrarian University, 460000, Orenburg, Russia,AV. Kovalenko, 4 St,tel.: 8(3532)57-81-52, е-mail: kaf36@orensau.ru

Baykov Alexey Sergeevich,Teacher,Department of Electrical Technology And Electrical Equipmen, Orenburg State Agrarian University, 460000, Orenburg, Russia,AV. Kovalenko, 4 St,tel.: 8(3532)57-81-52, е-mail: kaf36@orensau.ru

Miroshnikov Ivan Sergeevich,Cand. Sci (Agr.), Researcher, Department of Agricultural Animals Nutrition and Fodder Technology named after SG. Leushin, Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Januarya St, tel.: 8(3532)43-46-79, е-mail: vniims.or@mail.ru

Dokina Nina Nikolaevna, Researcher, Department of Agricultural Animals Nutrition and Fodder Technology named after SG. Leushin, Federal Research Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 460000, Orenburg, Russia, 29, 9 Januarya St, tel.: 8(3532)43-46-79, е-mail: vniims.or@mail.ru

Received: 11 September 2019; Accepted: 16 September 2019; Published: 30 September 2019

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