The Association between Prepartum Rumination Time, Activity and Dry Matter Intake and Subclinical Hypocalcemia and Hypomagnesemia in the First 3 Days Postpartum in Holstein Dairy Cows

Mahmoud H. Emam; Elise Shepley; Mourad M. Mahmoud; Megan Ruch; Sobhy Elmaghawry; Wafaa Abdelrazik; Ahmed M. Abdelaal; Brian A. Crooker; Luciano S. Caixeta

doi:10.3390/ani13101621

The Association between Prepartum Rumination Time, Activity and Dry Matter Intake and Subclinical Hypocalcemia and Hypomagnesemia in the First 3 Days Postpartum in Holstein Dairy Cows

Mahmoud H. Emam, Elise Shepley, Mourad M. Mahmoud, Megan Ruch, Sobhy Elmaghawry, Wafaa Abdelrazik, Ahmed M. Abdelaal, Brian A. Crooker, Luciano S. Caixeta

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Changes in prepartum behaviors such as total daily rumination (TDR), total daily activity (TDA) and dry matter intake (DMI) have the potential to be used as early indicators for cows at risk for subclinical hypocalcemia (SCH) or hypomagnesemia (HYM) after calving. Our objective was to investigate associations between average daily rate of change in total daily rumination (ΔTDR), total daily activity (ΔTDA) and dry matter intake (ΔDMI) from −3 days prepartum to calving with SCH and HYM at D0 or D3 relative to calving. Prepartum TDR, TDA and DMI were measured in 64 Holstein dairy cows. Blood samples were taken at D0 and D3 post-calving for the measurement of total plasma Ca and Mg concentration. Linear regression models were used to analyze the association between ΔTDR, ΔTDA and ΔDMI and SCH and HYM at D0 and D3 relative to calving. Potential confounding variables were offered to the models and backwards selection was used to determine which covariates to retain. No significant differences in prepartum ΔTDR, ΔTDA or ΔDMI were found between cows with or without SCH and HYM at D0 and D3. Our results suggest that the change in TDR, TDA and DMI in the last 3 days prepartum are not effective predictors for cows that will have SCH or HYM in the first 3 days postpartum.

Original language	English (US)
Article number	1621
Journal	Animals
Volume	13
Issue number	10
DOIs	https://doi.org/10.3390/ani13101621
State	Published - May 2023

Bibliographical note

Funding Information:
We thank the University of Minnesota Dairy Cattle Teaching and Research Center staff for assistance with animal care and handling.

Publisher Copyright:
© 2023 by the authors.

Keywords

activity behavior
postpartum disorders
precision technology
rumination behavior
transition cow management

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10.3390/ani13101621

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Emam, M. H., Shepley, E., Mahmoud, M. M., Ruch, M., Elmaghawry, S., Abdelrazik, W., Abdelaal, A. M., Crooker, B. A., & Caixeta, L. S. (2023). The Association between Prepartum Rumination Time, Activity and Dry Matter Intake and Subclinical Hypocalcemia and Hypomagnesemia in the First 3 Days Postpartum in Holstein Dairy Cows. Animals, 13(10), Article 1621. https://doi.org/10.3390/ani13101621

Emam, MH, Shepley, E, Mahmoud, MM, Ruch, M, Elmaghawry, S, Abdelrazik, W, Abdelaal, AM, Crooker, BA & Caixeta, LS 2023, 'The Association between Prepartum Rumination Time, Activity and Dry Matter Intake and Subclinical Hypocalcemia and Hypomagnesemia in the First 3 Days Postpartum in Holstein Dairy Cows', Animals, vol. 13, no. 10, 1621. https://doi.org/10.3390/ani13101621

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title = "The Association between Prepartum Rumination Time, Activity and Dry Matter Intake and Subclinical Hypocalcemia and Hypomagnesemia in the First 3 Days Postpartum in Holstein Dairy Cows",

abstract = "Changes in prepartum behaviors such as total daily rumination (TDR), total daily activity (TDA) and dry matter intake (DMI) have the potential to be used as early indicators for cows at risk for subclinical hypocalcemia (SCH) or hypomagnesemia (HYM) after calving. Our objective was to investigate associations between average daily rate of change in total daily rumination (ΔTDR), total daily activity (ΔTDA) and dry matter intake (ΔDMI) from −3 days prepartum to calving with SCH and HYM at D0 or D3 relative to calving. Prepartum TDR, TDA and DMI were measured in 64 Holstein dairy cows. Blood samples were taken at D0 and D3 post-calving for the measurement of total plasma Ca and Mg concentration. Linear regression models were used to analyze the association between ΔTDR, ΔTDA and ΔDMI and SCH and HYM at D0 and D3 relative to calving. Potential confounding variables were offered to the models and backwards selection was used to determine which covariates to retain. No significant differences in prepartum ΔTDR, ΔTDA or ΔDMI were found between cows with or without SCH and HYM at D0 and D3. Our results suggest that the change in TDR, TDA and DMI in the last 3 days prepartum are not effective predictors for cows that will have SCH or HYM in the first 3 days postpartum.",

keywords = "activity behavior, postpartum disorders, precision technology, rumination behavior, transition cow management",

author = "Emam, {Mahmoud H.} and Elise Shepley and Mahmoud, {Mourad M.} and Megan Ruch and Sobhy Elmaghawry and Wafaa Abdelrazik and Abdelaal, {Ahmed M.} and Crooker, {Brian A.} and Caixeta, {Luciano S.}",

note = "Funding Information: We thank the University of Minnesota Dairy Cattle Teaching and Research Center staff for assistance with animal care and handling. Publisher Copyright: {\textcopyright} 2023 by the authors.",

year = "2023",

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doi = "10.3390/ani13101621",

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AU - Emam, Mahmoud H.

AU - Shepley, Elise

AU - Mahmoud, Mourad M.

AU - Ruch, Megan

AU - Elmaghawry, Sobhy

AU - Abdelrazik, Wafaa

AU - Abdelaal, Ahmed M.

AU - Crooker, Brian A.

AU - Caixeta, Luciano S.

PY - 2023/5

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N2 - Changes in prepartum behaviors such as total daily rumination (TDR), total daily activity (TDA) and dry matter intake (DMI) have the potential to be used as early indicators for cows at risk for subclinical hypocalcemia (SCH) or hypomagnesemia (HYM) after calving. Our objective was to investigate associations between average daily rate of change in total daily rumination (ΔTDR), total daily activity (ΔTDA) and dry matter intake (ΔDMI) from −3 days prepartum to calving with SCH and HYM at D0 or D3 relative to calving. Prepartum TDR, TDA and DMI were measured in 64 Holstein dairy cows. Blood samples were taken at D0 and D3 post-calving for the measurement of total plasma Ca and Mg concentration. Linear regression models were used to analyze the association between ΔTDR, ΔTDA and ΔDMI and SCH and HYM at D0 and D3 relative to calving. Potential confounding variables were offered to the models and backwards selection was used to determine which covariates to retain. No significant differences in prepartum ΔTDR, ΔTDA or ΔDMI were found between cows with or without SCH and HYM at D0 and D3. Our results suggest that the change in TDR, TDA and DMI in the last 3 days prepartum are not effective predictors for cows that will have SCH or HYM in the first 3 days postpartum.

AB - Changes in prepartum behaviors such as total daily rumination (TDR), total daily activity (TDA) and dry matter intake (DMI) have the potential to be used as early indicators for cows at risk for subclinical hypocalcemia (SCH) or hypomagnesemia (HYM) after calving. Our objective was to investigate associations between average daily rate of change in total daily rumination (ΔTDR), total daily activity (ΔTDA) and dry matter intake (ΔDMI) from −3 days prepartum to calving with SCH and HYM at D0 or D3 relative to calving. Prepartum TDR, TDA and DMI were measured in 64 Holstein dairy cows. Blood samples were taken at D0 and D3 post-calving for the measurement of total plasma Ca and Mg concentration. Linear regression models were used to analyze the association between ΔTDR, ΔTDA and ΔDMI and SCH and HYM at D0 and D3 relative to calving. Potential confounding variables were offered to the models and backwards selection was used to determine which covariates to retain. No significant differences in prepartum ΔTDR, ΔTDA or ΔDMI were found between cows with or without SCH and HYM at D0 and D3. Our results suggest that the change in TDR, TDA and DMI in the last 3 days prepartum are not effective predictors for cows that will have SCH or HYM in the first 3 days postpartum.

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KW - precision technology

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KW - transition cow management

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The Association between Prepartum Rumination Time, Activity and Dry Matter Intake and Subclinical Hypocalcemia and Hypomagnesemia in the First 3 Days Postpartum in Holstein Dairy Cows

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