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September 10, 2025Journal of Animal Science

Effects of intravenous lipopolysaccharide administration on physiological and ruminal responses that modulate feed intake in beef cattle

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Steers receiving lipopolysaccharide experienced a significant decrease in feed intake, indicating reduced appetite.
Ruminal fluid analysis revealed decreased concentrations of volatile fatty acids and overall bacterial load in LPS-treated steers.
Administration of LPS altered plasma concentrations of haptoglobin and cortisol, suggesting stress response and inflammation.
The findings indicate that LPS administration may impair feed degradation and overall ruminal function.

Authors

APAutumn PickettTexas College RCReinaldo F CookeTexas College SMShea MackeyTexas College

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Implication

Experimental evaluation of lipopolysaccharide effects on feed intake and ruminal physiological measures in Angus steers, indicating potential health impacts.

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Pickett et al. (2025) studied this question.

synapsesocial.com/papers/68c184069b7b07f3a06103f5 https://doi.org/10.1093/jas/skaf311

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Implication

Experimental evaluation of lipopolysaccharide effects on feed intake and ruminal physiological measures in Angus steers, indicating potential health impacts.

Effects of intravenous lipopolysaccharide administration on physiological and ruminal responses that modulate feed intake in beef cattle

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Discussion

Implication

Cite This Study

Effects of intravenous lipopolysaccharide administration on physiological and ruminal responses that modulate feed intake in beef cattle

Key Points

Discussion

Implication

Cite This Study

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