Associations Between Non-Steroidal and Steroidal Anti-Inflammatory Drug Use, Welfare, and Milk Production in Dairy Sheep: A Multivariate Study
Simple Summary
Abstract
1. Introduction
2. Materials and Methods
2.1. Study Area, Sampling, and Data Collection
2.2. Statistical Analysis
3. Results
Descriptive Statistics
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
NSAIDs | Nonsteroidal Anti-Inflammatory Drugs |
COX | Cyclooxygenase |
PGs | Prostaglandins |
TX | Thromboxane |
SAIDs | Steroidal Anti-Inflammatory Drugs |
FM | Flunixin Meglumine |
MX | Meloxicam |
KP | Ketoprofen |
BCS | Body Condition Score |
PSM | Propensity Score Matching |
CI | Confidence Interval |
DEX | Dexamethasone |
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Indicator | Normal Range/Requirements in Sheep | Score |
---|---|---|
Water supply | Adequate water suppliers (absence of waiting queue) | 10 |
Inadequate water suppliers (presence of waiting queue) | 0 | |
Space per animal | 1.5 m2/ewe or more (1.2 m2 per ewe and 0.3 m2 per lamb) | 10 |
Less than 1.5 m2/ewe | 0 | |
BCS | BSC of 2–3 in lactating ewes and 3–4 in dry period ewes in 5% of the total herd, randomly picked ewes | 10 |
BSC of 2 in lactating ewes 2 and 3 in dry period ewes in 5% of the total herd, randomly picked ewes | 5 | |
BSC of 1 in lactating ewes 1 and 1–2 in dry period ewes in 5% of the total herd, randomly picked ewes | 0 | |
Cleanliness | Clean in the upper body, belly, and udder in 5% of the total herd, randomly picked ewes | 10 |
Clean only in the upper body in 5% of the total herd, randomly picked ewes | 0 | |
Skin alterations | Absence of alterations in 5% of the total herd, randomly picked ewes | 10 |
Hairless spots in 5% of the total herd, randomly picked ewes | 5 | |
Wounds in 5% of the total herd, randomly picked ewes | 0 | |
Avoidance behavior | 5% of the total herd, randomly picked ewes, distanced less than 1 m | 10 |
5% of the total herd, randomly picked ewes, distanced more than 1 m | 0 | |
Hoof conformation | 1 hoof trimming per year | 10 |
No hoof trimming in the previous year | 0 | |
Lameness | <5% presence in the flock | 10 |
5–10% presence in the flock | 5 | |
>10% presence in the flock | 0 | |
Getting-up behavior | Physiological way of getting up of 5% of the total herd, randomly picked ewes | 10 |
Abnormal way of getting up of 5% of the total herd, randomly picked ewes | 0 | |
Dystocia occurrence | <5% in the flock | 10 |
5–10% in the flock | 5 | |
>10% in the flock | 0 |
Variable | Min | Max | Mean | St. Deviation |
---|---|---|---|---|
Number of animals | 45 | 640 | 175.3 | 134.40 |
Total milk yield (kg) | 5394 | 236,739 | 50,589.0 | 49,946.4 |
Milk yield per sheep (kg) | 119.9 | 383.8 | 261.26 | 67.63 |
Mean fat % | 5.51 | 7.01 | 6.12 | 0.38 |
Mean proteins % | 4.67 | 6.18 | 5.61 | 0.30 |
Flunixin meglumine vials | 0.0 | 3.0 | 0.43 | 0.89 |
Meloxicam vials | 0.0 | 13.0 | 1.43 | 3.17 |
Dexamethasone vials | 0.00 | 5.00 | 0.87 | 1.36 |
Animals per worker (n) | 30.0 | 200.0 | 88.06 | 39.3 |
Variable | Median | Mode | St. Deviation |
---|---|---|---|
Mean Body Condition Score | 2.0 | 2.0 | 0.57 |
Housing Condition Score 1 | 2.0 | 2.0 | 0.73 |
Farmer’s age 2 | 2.0 | 2.0 | 0.70 |
Water supply | 10.0 | 10.0 | 0.0 |
Space per animal | 10.0 | 10.0 | 4.66 |
Body Condition Score | 5.0 | 5.0 | 2.73 |
Cleanliness | 10.0 | 10.0 | 4.66 |
Skin alterations | 10.0 | 10.0 | 2.45 |
Avoidance behavior | 0.0 | 0.0 | 4.90 |
Hoof conformation | 2.5 | 0.0 | 5.0 |
Lameness | 5.0 | 5.0 | 3.31 |
Getting-up behavior | 10.0 | 10.0 | 0.0 |
Dystocia occurrence | 10.0 | 10.0 | 2.52 |
Total score | 70.0 | 70.0 | 16.92 |
Welfare score | 2.0 | 2.0 | 0.81 |
Model | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | Collinearity Statistics | ||
---|---|---|---|---|---|---|---|
B | Std. Error | Beta | Tolerance | VIF | |||
(Constant) | −10,057.8 | 23,138.4 | −0.435 | 0.668 | |||
Mixed use | −30,338.4 | 21,444.9 | −0.273 | −1.415 | 0.171 | 0.244 | 4.1 |
Farmer’s education University degree | 37,156.6 | 12,196.6 | 0.335 | 3.046 | 0.006 | 0.754 | 1.3 |
Workers per animal | 610.0 | 152.4 | 0.480 | 4.003 | <0.001 | 0.634 | 1.6 |
Flunixin use | 42,616.3 | 14,077.1 | 0.367 | 3.027 | 0.006 | 0.619 | 1.6 |
Meloxicam use | 28,623.0 | 13,621.7 | 0.291 | 2.101 | 0.047 | 0.473 | 2.1 |
Corticosteroid use | −3386.6 | 17,517.1 | −0.034 | −0.193 | 0.848 | 0.291 | 3.4 |
Farmer’s age | −7684.9 | 7978.9 | −0.108 | −0.963 | 0.346 | 0.723 | 1.3 |
Model | Dependent Variable | Factor | Point Estimate (95% CI) | p-Value |
---|---|---|---|---|
1 | Flunixin meglumine | Intercept | 0.02 (0.001–0.16) | - |
Herd Size | 1.01 (1.005–1.025) | 0.01 | ||
2 | Meloxicam | Intercept | 0.71 (0.11–4.6) | - |
Herd Size | 0.95 (0.88–0.99) | 0.03 | ||
Milk yield herd (kg) | 1.002 (1.001–1.004) | 0.025 | ||
3 | Dexamethasone | Intercept | 0.47 (0.18–1.11) | - |
Farmers’ education | 6.43 (1.15–52.25) | 0.04 | ||
4 | NSAID | Intercept | 0 (0–0.0372) | - |
Milk yield herd (kg) | 1.05 (1.018–1.11) | 0.02 | ||
5 | Welfare | Intercept | 0 (0–0.0038) | - |
Milk yield herd (kg) | 1.04 (1.02–1.08) | 0.004 |
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Share and Cite
Tsekouras, N.; Christodoulopoulos, M.A.B.; Meletis, E.; Kousoulis, C.; Kostoulas, P.; Pantazis, V.; Papatsiros, V.G.; Dimoveli, K.; Gougoulis, D. Associations Between Non-Steroidal and Steroidal Anti-Inflammatory Drug Use, Welfare, and Milk Production in Dairy Sheep: A Multivariate Study. Animals 2025, 15, 1104. https://doi.org/10.3390/ani15081104
Tsekouras N, Christodoulopoulos MAB, Meletis E, Kousoulis C, Kostoulas P, Pantazis V, Papatsiros VG, Dimoveli K, Gougoulis D. Associations Between Non-Steroidal and Steroidal Anti-Inflammatory Drug Use, Welfare, and Milk Production in Dairy Sheep: A Multivariate Study. Animals. 2025; 15(8):1104. https://doi.org/10.3390/ani15081104
Chicago/Turabian StyleTsekouras, Nikolaos, Mathis A. B. Christodoulopoulos, Eleftherios Meletis, Christos Kousoulis, Polychronis Kostoulas, Vasileios Pantazis, Vasileios G. Papatsiros, Konstantina Dimoveli, and Dimitrios Gougoulis. 2025. "Associations Between Non-Steroidal and Steroidal Anti-Inflammatory Drug Use, Welfare, and Milk Production in Dairy Sheep: A Multivariate Study" Animals 15, no. 8: 1104. https://doi.org/10.3390/ani15081104
APA StyleTsekouras, N., Christodoulopoulos, M. A. B., Meletis, E., Kousoulis, C., Kostoulas, P., Pantazis, V., Papatsiros, V. G., Dimoveli, K., & Gougoulis, D. (2025). Associations Between Non-Steroidal and Steroidal Anti-Inflammatory Drug Use, Welfare, and Milk Production in Dairy Sheep: A Multivariate Study. Animals, 15(8), 1104. https://doi.org/10.3390/ani15081104