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[Rumen fluid studies in calves with abnormal and normal sucking behavior]
1Klinik für Geburtshilfe, Jungtier- und Euterkrankheiten mit Ambulatorium, Universität Zürich.
Tierarztliche Praxis
|February 1, 1992
Summary
Calves with poor suckling behavior often have low ruminal pH and metabolic acidosis, with a shift towards gram-positive bacteria. Healthy calves maintain a higher ruminal pH and a gram-negative bacterial flora.
Area of Science:
- Veterinary Medicine
- Ruminant Physiology
- Microbiology
Context:
- Investigating calf health is crucial for early disease detection and management.
- Understanding the relationship between suckling behavior, ruminal environment, and metabolic status in calves is essential.
- This study focuses on neonatal calves exhibiting poor suckling behavior.
Purpose:
- To compare ruminal fluid and blood parameters in calves with poor versus normal suckling behavior.
- To identify key indicators of health issues in calves with reduced milk intake.
- To analyze the correlation between ruminal pH, bacterial flora, and blood gas analysis in different calf groups.
Summary:
- Ruminal fluid and blood samples from 39 calves with poor suckling behavior and 21 controls were analyzed.
- Calves with poor suckling behavior showed significantly lower ruminal pH (<5.5 in 74.4%) and a higher prevalence of metabolic acidosis (22 calves).
- Gram-positive bacteria dominated the ruminal flora in sick calves (74.4%), while gram-negative bacteria were prevalent in healthy calves (76.2%). Chloride concentration showed no significant difference.
Impact:
- Identifies specific physiological markers (ruminal pH, bacterial composition) associated with poor suckling behavior in calves.
- Provides insights into the early diagnosis of metabolic disturbances in neonatal calves.
- Highlights the importance of ruminal microbiome analysis in assessing calf health and welfare.