Research on the Effect of Utilization CLA and ZLL Nutritional Supplements in Dairy Cows Feeding

Abstract

The breeding of dairy cows is an area of great importance to ensure the basic needs of people. Dairy cows are also subjected to the action of various factors of influence due to the feeding peculiarities. This research aims to reveal the influence of the dairy cows feeding use of based on conjugated linoleic acid -CLA and a mixture of plant extracts and micro-ZLL supplements. The study was carried out in Agrimat Matca farm, on a herd of 100 cows at the first lactation. The experiment consisted in the administration of 0.20 kg VILOMIL ZLL and 0.13 kg VILOMIX CLA for a period of 24 days. Observations were made on the quantity of daily milk, the milk quality and hygiene and the health of the dairy cows. We observed that at the beginning of the experiment the somatic cell contents was 800000/ml, and at the end of the experiment it decreased to 400000/ml. The quantity of milk increased between 4 and 12.5%, the fat contents decreased by 0.4 to 0.6% while the protein content was not influenced.