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Agriculture
Reference:

Metabolism of Cows With Different Genotypes When Using the Grain Molass in the Feed Based on the Analysis of Central Yakutia

Nikolaeva Nataliya Afanas'evna

PhD in Agriculture

Leading Researcher at Yatursk Research Agricultural Institute

677001, Russia, respublika Sakha (yakutiya), g. Yakutsk, ul. Bestuzheva-Marlinskogo, 23/1

natanik_69@mail.ru

DOI:

10.7256/2453-8809.2018.1.28029

Review date:

10-11-2018


Publish date:

17-11-2018


Abstract: The results of the experiment on feeding grain molasses in the diets of cows of different genotypes (Purebred Simmentals, Austrian Breeding Simmentals, Simmental-Holstein Hybrids) are presented. The studies were conducted in the FSUE "Red Star" of the Megino-Kangalassky ulus of the Sakha Republic (Yakutia). The positive effect of grain molasses on the digestibility of nutrients, which contributed to the activation of animal metabolism, was revealed. In the I-experimental group of cows (Simmentals of Austrian Breeding) protein digestibility coefficients were higher by 10.33% than in the control group of cows (Purebred Simmentals) and by 8.57% than in the II-experimental groups (Simmental-Holstein Hybrids). This intensified the metabolic processes of cows and improved the use of mineral feed. The feed and the feed remainders were analyzed at the biochemical and mass analysis laboratory of the Yakutsk Research Agricultural Institute. The results of the research and analysis of physiological indicators have allowed to make the following conclusion: the use of grain molasses in the diets of milk cows has raised digestibility of all nutrients. This is due to the fact that the efficiency of metabolism depends on how efficiently the metabolic energy of the feed is used and transformed in the farding bag of cows which is in many ways determined by the composition of the feed. To increase productivity of milk cows, Nikolaeva recommends to use the 13% grain molass in the diet of cows. According to the author, this will allow to avoid the loss of nutrients and thus economize the feed and increase productivity of milk cows. 


Keywords: protein, metabolism, diet, digestibility, nutrient materials, Simmental-Holstein cross-breeds, grain molasses, the Simmental cows Austrian selection, simmental breed, cows
This article written in Russian. You can find full text of article in Russian here .

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