Digital technologies in dairy cattle breeding to improve the reproductive function of cows and heifers: A case study in Northern Kazakhstan

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Abstract
Background and Aim: In some countries, the application of digital technologies in dairy cattle breeding is still under development. This study aimed to investigate the use of digital technologies in dairy cattle breeding to improve the reproductive function of cows and heifers in three northern regions of Kazakhstan. Materials and Methods: This study explores the application of Austrian smaXtec bolus sensors, which enable the daily monitoring of the reproductive functions of cows and heifers in livestock. To control indicators of reproductive function in Simmental and Holstein-Friesian cattle breeds, a series of experiments were conducted before and after the introduction of boluses in the rumen. Results: It was established that the application of smaXtec boluses increases milk yield in 305 days, the percentage of conception in the first insemination and in cows with up to three inseminations, the duration of dry secretion, and the percentage of calve output per 100 heads. Moreover, the use of smaXtec boluses reduced the insemination index, duration of the calving-to-conception interval (open days), reproductive rate, and percentage of abortions and culls due to gynecological problems. Conclusion: The use of smaXtec boluses allows farmers and veterinarians to determine indicators, such as the period of sexual heat in livestock and diseases, in a timely manner and to increase the efficiency of feeding and controlling drinking cycles. Moreover, the application of smaXtec boluses minimizes labor costs associated with collecting data on indicators of reproductive function in cows and heifers and increases accuracy. Keywords: bolus, cows, digital technology, reproductive function, smaXtec.
Funding Information
  • Ministry of Agriculture of the Republic of Kazakhstan (O.0907)

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