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Serum C-reactive protein in dairy herds
Wen-Chuan Lee1, Huo-Cheng Hsiao, Ying-Ling Wu
1Department of Veterinary Medicine, National Taiwan University, Taipei, Taiwan, Republic of China.
Summary
Serum C-reactive protein (CRP) levels in dairy cattle correlate with lactation, body condition, and health, indicating inflammation and stress. CRP is a valuable tool for monitoring herd health and detecting early disease signs.
Area of Science:
- Veterinary Medicine
- Animal Health
- Biochemistry
Background:
- C-reactive protein (CRP) is an acute-phase protein involved in inflammation.
- Monitoring CRP levels can provide insights into the health status of livestock.
Purpose of the Study:
- To investigate the relationship between serum C-reactive protein (CRP) levels and lactation and health status in dairy cattle.
- To evaluate CRP as a potential indicator of inflammation, stress, and disease in dairy herds.
Main Methods:
- Blood samples were collected bi-weekly for 12 months from 29 dairy cows.
- Serum CRP levels were measured using SDS-PAGE and western immunoblotting.
- Data on lactation status, health, body condition score, and other factors were recorded concurrently.
Main Results:
- Serum CRP levels positively correlated with body condition score, lactation status, and overall animal health (P < 0.05).
- CRP levels increased with milk production, peaking during peak lactation, and decreased post-lactation.
- Elevated CRP was observed during natural infections like mastitis, confirming its role in inflammation detection.
- Blood sampling induced a temporary CRP elevation, highlighting its sensitivity to stress.
Conclusions:
- Serum CRP is a reliable indicator of inflammation and stress in dairy cattle.
- CRP levels are influenced by lactation intensity and health status.
- CRP serves as a valuable tool for assessing dairy herd health and early disease surveillance.