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This research aims to assess feed intake and physiological parameters in Angus cow-calf pairs during pregnancy and lactation.

Evaluation of Performance and Nutritional Intake in Angus Cow-Calf Pairs During Pregnancy and Lactation

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Evaluation shows consistent feed efficiency metrics in Angus cow-calf pairs across stages, indicating implications for beef production.

This research aims to assess feed intake and physiological parameters in Angus cow-calf pairs during pregnancy and lactation.
Two-year study evaluating feed intake and physiological changes of Angus cow-calf pairs.
Year 1: Heifers fed endophyte-free rations and monitored for growth parameters using Vytelle® Sense system.
Year 2: Cows fed endophyte-infected rations with calves, monitoring for milk production and physiological metrics.
Statistical analysis using SAS® MIXED procedure to evaluate effects on weight and body condition scores.
In Year 1, low-RFI heifers showed lower hair shedding score and tended to have lower feed intake compared to high-RFI.
In Year 2, 57% of dams retained low-RFI category and no significant differences in body weight or milk production were observed across RFI categories.
Low-RFI cows had lower feed intake compared to high-RFI cows, linking hair shedding to feed efficiency.

Rajo-Gomez et al. (2026) studied this question.

View Full Paper

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View Full Paper

Ask AI

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Authors

Evaluation shows consistent feed efficiency metrics in Angus cow-calf pairs across stages, indicating implications for beef production.

This research aims to assess feed intake and physiological parameters in Angus cow-calf pairs during pregnancy and lactation.
Two-year study evaluating feed intake and physiological changes of Angus cow-calf pairs.
Year 1: Heifers fed endophyte-free rations and monitored for growth parameters using Vytelle® Sense system.
Year 2: Cows fed endophyte-infected rations with calves, monitoring for milk production and physiological metrics.
Statistical analysis using SAS® MIXED procedure to evaluate effects on weight and body condition scores.
In Year 1, low-RFI heifers showed lower hair shedding score and tended to have lower feed intake compared to high-RFI.
In Year 2, 57% of dams retained low-RFI category and no significant differences in body weight or milk production were observed across RFI categories.
Low-RFI cows had lower feed intake compared to high-RFI cows, linking hair shedding to feed efficiency.

Rajo-Gomez et al. (2026) studied this question.

View Full Paper

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Bookmark