Use of Ultrasonography for the Evaluation of Lung Lesions in Lambs with Respiratory Complex
The ovine respiratory complex significantly affects lamb welfare and production efficiency, necessitating accurate diagnostic methods for pulmonary lesions. This study explores the relationship between clinical scoring, auscultation, ultrasonography, and macroscopic post-mortem evaluation to assess...
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MDPI AG
2025-04-01
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| author | Alejandro Sánchez-Fernández Juan Carlos Gardón Carla Ibáñez Joel Bueso-Ródenas |
| author_facet | Alejandro Sánchez-Fernández Juan Carlos Gardón Carla Ibáñez Joel Bueso-Ródenas |
| author_sort | Alejandro Sánchez-Fernández |
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| description | The ovine respiratory complex significantly affects lamb welfare and production efficiency, necessitating accurate diagnostic methods for pulmonary lesions. This study explores the relationship between clinical scoring, auscultation, ultrasonography, and macroscopic post-mortem evaluation to assess respiratory disease in 111 lambs. A standardized clinical scoring system, adapted from bovine models, evaluated ocular and nasal discharge, head tilt, cough, and rectal temperature. Auscultation categorized pulmonary sounds, while ultrasonography identified lung abnormalities, including B-lines, consolidations, pleural effusion, and abscesses. Macroscopic post-mortem examinations confirmed lesion extent. Kendall–Tau-B correlation coefficient analysis revealed significant associations between the methods (<i>p</i> < 0.01), with a high correlation between auscultation and clinical scoring <i>τ</i> of 0.634 (95% CI: 0.489 to 0.765), auscultation and ultrasonography <i>τ</i> of 0.611 (95% CI: 0.500 to 0.710), and ultrasonography and post-mortem findings <i>τ</i> 0.608 (95% CI: 0.460 to 0.731). While auscultation and clinical scoring provided useful insights, ultrasonography exhibited superior sensitivity in detecting subclinical and early-stage lesions, aligning closely with post-mortem evaluations. These findings emphasize ultrasonography as an effective tool for diagnosing respiratory disease in lambs, improving diagnostic accuracy and enabling timely interventions to mitigate disease impact and reduce antimicrobial use. |
| format | Article |
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| institution | OA Journals |
| issn | 2076-2615 |
| language | English |
| publishDate | 2025-04-01 |
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| spelling | doaj-art-6891c3c4f6544d739bd91f49fc023dbb2025-08-20T02:28:19ZengMDPI AGAnimals2076-26152025-04-01158115310.3390/ani15081153Use of Ultrasonography for the Evaluation of Lung Lesions in Lambs with Respiratory ComplexAlejandro Sánchez-Fernández0Juan Carlos Gardón1Carla Ibáñez2Joel Bueso-Ródenas3Doctoral School, Catholic University of Valencia San Vicente Mártir, 46001 Valencia, SpainDepartment of Medicine and Animal Surgery, Faculty of Veterinary Medicine and Experimental Sciences, Catholic University of Valencia San Vicente Mártir, 46001 Valencia, SpainDepartment of Animal Production and Public Health, Faculty of Veterinary Medicine and Experimental Sciences, Catholic University of Valencia San Vicente Mártir, 46001 Valencia, SpainDepartment of Animal Production and Public Health, Faculty of Veterinary Medicine and Experimental Sciences, Catholic University of Valencia San Vicente Mártir, 46001 Valencia, SpainThe ovine respiratory complex significantly affects lamb welfare and production efficiency, necessitating accurate diagnostic methods for pulmonary lesions. This study explores the relationship between clinical scoring, auscultation, ultrasonography, and macroscopic post-mortem evaluation to assess respiratory disease in 111 lambs. A standardized clinical scoring system, adapted from bovine models, evaluated ocular and nasal discharge, head tilt, cough, and rectal temperature. Auscultation categorized pulmonary sounds, while ultrasonography identified lung abnormalities, including B-lines, consolidations, pleural effusion, and abscesses. Macroscopic post-mortem examinations confirmed lesion extent. Kendall–Tau-B correlation coefficient analysis revealed significant associations between the methods (<i>p</i> < 0.01), with a high correlation between auscultation and clinical scoring <i>τ</i> of 0.634 (95% CI: 0.489 to 0.765), auscultation and ultrasonography <i>τ</i> of 0.611 (95% CI: 0.500 to 0.710), and ultrasonography and post-mortem findings <i>τ</i> 0.608 (95% CI: 0.460 to 0.731). While auscultation and clinical scoring provided useful insights, ultrasonography exhibited superior sensitivity in detecting subclinical and early-stage lesions, aligning closely with post-mortem evaluations. These findings emphasize ultrasonography as an effective tool for diagnosing respiratory disease in lambs, improving diagnostic accuracy and enabling timely interventions to mitigate disease impact and reduce antimicrobial use.https://www.mdpi.com/2076-2615/15/8/1153ovine respiratory complexORCthoracic ultrasoundmacroscopic lung lesions |
| spellingShingle | Alejandro Sánchez-Fernández Juan Carlos Gardón Carla Ibáñez Joel Bueso-Ródenas Use of Ultrasonography for the Evaluation of Lung Lesions in Lambs with Respiratory Complex Animals ovine respiratory complex ORC thoracic ultrasound macroscopic lung lesions |
| title | Use of Ultrasonography for the Evaluation of Lung Lesions in Lambs with Respiratory Complex |
| title_full | Use of Ultrasonography for the Evaluation of Lung Lesions in Lambs with Respiratory Complex |
| title_fullStr | Use of Ultrasonography for the Evaluation of Lung Lesions in Lambs with Respiratory Complex |
| title_full_unstemmed | Use of Ultrasonography for the Evaluation of Lung Lesions in Lambs with Respiratory Complex |
| title_short | Use of Ultrasonography for the Evaluation of Lung Lesions in Lambs with Respiratory Complex |
| title_sort | use of ultrasonography for the evaluation of lung lesions in lambs with respiratory complex |
| topic | ovine respiratory complex ORC thoracic ultrasound macroscopic lung lesions |
| url | https://www.mdpi.com/2076-2615/15/8/1153 |
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