RESIDUAL FEED INTAKE DETERMINATION USING VYTELLE (GROWSAFE) TECHNOLOGY

Abstract

The article discusses the experience of using the Vytelle technology, which is used in countries with a developed agro-industrial complex with the aim of introducing it in Kazakhstan to assess the breeding and meat qualities of Kazakh white-headed cattle. At present, Vytelle technology is being implemented in "Galiсkoe" LLP in Pavlodar region. The objects of research were bulls of the Kazakh white-headed breed in the amount of 58 heads at the age of 18-21 months. To conduct research, an unloading from the Vytelle database was used. According to the data obtained, the residual feed intake RFI varied within the limits for group 1: from -1.95 to 1.90, for group 2 from -2.16 to 2.08. Residual average daily gain (RADG) for the first sample was -0.64…0.71, for the second sample -0.39…0.33. The average live weight at the end (END WT.) of the studies was 426.75 kg for the first group and 328.4 kg for the second group. The average value of the average daily live weight gain (ADG) was 0.93 and 0.64 kg for the groups. Dry matter intake for the first group on average per day by animals during the test (DMI) was between 8.55...13.91, for the second group - 6.63...12.43. The average value of the ratio of feed to growth for the first group Adj. F:G was 16.78, the second - 17.13. The average value of the residual feed intake calculated for each individual animal based on their phenotypic RFI values and information about the pedigree for the first group was -0.0514, for the second group was -0.0779. Index (RFI%Rank for the first herd - 52%, for the second herd - 42%. The average dry matter intake index for the animals DMI EPD in the first group was -0.0633, in the second group -0.0877. The average value of DMI%RANK in the first group - 56%, in the second - 49%.