Estimation of productive action of moisture canned and dry corn grain in feeding of cows in the conditions of dairy complexes

  • Mykhailo Kulik doctor of agricultural sciences, corresponding member of NAAS, laboratory head of technology harvesting feed of the Institute of feed research and agriculture of Podillya of NAAS https://orcid.org/0000-0002-7274-9980
  • Oleh Oleksiuk Chairman of the private joint-stock company «Plemzavod «Litynsky»
  • Yurii Obertiukh candidate of agricultural sciences, senior researcher scientist, leading researcher, laboratory of technology harvesting feed of the Institute of Feed Research and Agriculture of Podillya NAAS https://orcid.org/0000-0002-4821-1398
  • Iryna Petrivna Zelinska assistant of the department of feeding farm animals and aquatic biological resources of the Vinnytsia National Agrarian University https://orcid.org/0000-0002-7027-9591
Keywords: moisture canned corn grain, dry corn grain, preservatives, quality indicators of canned wet grain, dairy cows, dairy productivity

Abstract

Purpose. To evaluate the productive effect of moisture canned corn grain in feeding cows in dairy complexes on the herd of more than 1 thousand high-yielding cows for 120 days (January-April) when feeding crushed moisture canned corn grain and on the same herd of cows (June-September) feeding dry corn grain.

Methods. The studies were performed by the method of groups-periods on a dairy herd of cows with a productivity of 30 liters of milk per day and a live weight of 600 kg of black-spotted dairy breed. Indicators of milk productivity of cows included average daily milk yield (l), milk fat content (%), average daily milk yield of basic fat content (3.4%) and protein content in milk. Studies on the washing of cow feces were performed on sieves with different mesh diameters in order to have or not grains of undigested corn grain when fed to cows in dry form and moisture canned. Results. It is established that moisture canned corn grain when fed to a dairy herd provides higher milk production per 0.5 liters of natural and 2.5 kg of basic fat milk. The increase in milk fat content is due to the higher digestibility of wet canned grain starch in the rumen compared to the digestibility of dry grain starch, as well as increased digestibility of dry matter in bulk feed in the diet. Studies have shown that in the feces of cows that consumed canned moisture corn grain undigested grain grains were not detected, while in the feces of cows that consumed dry grain grains of undigested dry grain were present. Conclusions. The technology of canning of uncrushed moisture corn grain is promising for implementation in farms for milk and beef production. The main argument of the technology is lower energy consumption for canning moisture grain and obtaining a higher level of productivity compared to feeding dry grain to cows.

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Published
2021-12-21
How to Cite
Kulik, M., Oleksiuk, O., Obertiukh, Y., & Zelinska, I. P. (2021). Estimation of productive action of moisture canned and dry corn grain in feeding of cows in the conditions of dairy complexes. Feeds and Feed Production, (92), 160-172. https://doi.org/10.31073/kormovyrobnytstvo202192-15