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Investigate the nutritional and metabolic status of Simmental dairy cows during early versus mid-lactation by assessing blood biochemical metabolites, feed intake, and energy balance.

April 1, 2017Advances in Diabetes and MetabolismOpen Access

Correlation between Blood Biochemical Metabolites Milk Yield, Dry Matter Intake and Energy Balance in Dairy Cows during Early and Mid Lactation

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Investigate the nutritional and metabolic status of Simmental dairy cows during early versus mid-lactation by assessing blood biochemical metabolites, feed intake, and energy balance.
Evaluated 30 Simmental dairy cows divided into early lactation (N=15) and mid-lactation (N=15) cohorts.
Collected blood samples to measure beta-hydroxybutyrate (BHB), non-esterified fatty acids (NEFA), triglycerides (TG), glucose, and aspartate transaminase (AST) activity alongside dry matter intake (DMI), milk yield, and energy balance (EB).
Dry matter intake significantly negatively correlated with NEFA, BHB, and AST, while positively correlating with glucose and TG.
Energy balance significantly negatively correlated with NEFA, BHB, and AST, while positively correlating with glucose.
Early lactation cows had significantly higher serum NEFA, BHB, and AST activities compared to mid-lactation cows, whereas lower concentrations of glucose and TG in early lactation were not statistically significant.

Authors

RDRadojica DjokovićUniversity of Kragujevac VKVladimir KurčubićUniversity of Kragujevac ZIZoran IlićInstitute of Technical Sciences of SASA

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Implication

Observational study reveals strong links between blood metabolites and energy balance in lactating cows, indicating these markers reliably track metabolic status.

Cite This Study

Djoković et al. (2017) studied this question.

synapsesocial.com/papers/6a8bf8ebf8241cb45bfb78cf https://doi.org/10.13189/adm.2017.050202

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Implication

Observational study reveals strong links between blood metabolites and energy balance in lactating cows, indicating these markers reliably track metabolic status.

Correlation between Blood Biochemical Metabolites Milk Yield, Dry Matter Intake and Energy Balance in Dairy Cows during Early and Mid Lactation

Key Points

Discussion

Implication

Cite This Study

Correlation between Blood Biochemical Metabolites Milk Yield, Dry Matter Intake and Energy Balance in Dairy Cows during Early and Mid Lactation

Key Points

Discussion

Implication

Cite This Study