Dataset for study: Association between production and reproduction parameters based on parity and breed of dairy cows in the Czech Republic

Description

Milk production and the efficiency of dairy cow breeding are significantly influenced by reproductive factors. The purpose of our research was to examine the relationships between selected milk production and reproductive parameters. We evaluated 659 dairy cows, including 444 purebreds from the Czech Fleckvieh and Holstein breeds and 215 crossbreds. The evaluation included data from January to December 2018. Data on average milk yield per lactation (MY, kg), average fat in milk per lactation (F, kg), average protein in milk per lactation (P, kg), average lactose in milk per lactation (L, kg), average percentage of fat in milk (F%), average percentage of protein in milk (P%), and average percentage of lactose in milk (L%) were measured using the Pulsameter 2 (certified by ICAR, Labor- und Messgeräte GmbH, Germany). The dataset was further supplemented with data on SP (d), CalvInt (d), and summary selection indices for the Czech Fleckvieh (Genetic Total Merit Index – GZW) and Holstein breed index (Selection Index Holstein – SIH) from the performance control database maintained by the Czech Moravian Breeders Corporation (CˇMSCH;Hradištko, Czech Republic). This dataset provides key information on dairy cows, including individual IDs, breeding details, calving dates, and lactation periods. It tracks cows' reproductive history (parity and calving intervals) and farm location (Farm ID and Stable ID). The dataset also includes performance metrics (potentially related to breeding and health) and detailed records of milk production, including quantity and content analysis for fat, protein, and lactose. The dataset could be used for various purposes in the field of dairy cattle research, as it contains valuable information about reproduction and production of many dairy cows over an extended period.

Steps to reproduce

This dataset was compiled from publicly available data from dairy performance controls and supplemented with records from breeders using the FARMSOFT management program (Farmtec a.s., Jistebnice, Czech Republic).

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