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      Análisis histológico de lesiones pódales de pollos comerciales en la Planta de Sacrificio de Pollo Olympico S.A., Colombia Translated title: Histological analyses of toe lesions for commercial broiler at the slaughterhouse of Pollo Olympico S.A., Colombia

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          Abstract

          Objetivo: Realizar el análisis histológico de lesiones pódales de pollos comerciales en la planta de sacrificio de Pollo Olympico S.A., Colombia con el fin de discutir aspectos sobre su retención sanitaria en plantas de sacrificio. Materiales y métodos: Se utilizó la población avícola de 10 granjas de la empresa Pollo Olympico S.A evaluando macroscópicamente 129.551 animales y microscópicamente 330 lesiones podales. El análisis histológico evaluó el tipo y la profundidad de las lesiones inflamatorias y la presencia de estructuras micóticas. Resultados: La evaluación macroscópica evidenció lesiones podales en el 64,7% de la población total de aves. La evaluación microscópica mostró un predominio de procesos inflamatorios con presentación de heterófilos (73,1%), el 19% fueron infiltrados mixtos y el 7.9% de predominio mononuclear. Las lesiones encontradas mostraron una localización principalmente subcorneal (77.9%) y la ausencia de estructuras micóticas, células gigantes o lesiones vasculares.

          Translated abstract

          Objetive: To conduct histological analyses of toe lesions for commercial broiler at the slaughterhouse of Pollo Olympico S.A., Colombia, with the ultimate goal of proposing recommendations about sanitary containment. Materials and Methods: Poultry subjects were sampled in 10 farms of Pollo Olympico S.A. Macroscopic inspections were conducted on 129.551 animals while the microscopic ones were on 330 toe lesions. Histological analyses evaluated type and depth of inflammatory lesions as well as the presence of fungal infections Results: Macroscopic analyses revealed inflammatory process mediated by heterophiles (73,1%), mixed infiltrates (19%) and mononuclear (7.9%). Lesions were mainly localized at the sub-corneal level (77.9%) and showed no signs of fungal structures, giant cells or vascular presence.

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          Most cited references 31

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          Footpad dermatitis in poultry.

          Footpad dermatitis (FPD) is a condition that causes necrotic lesions on the plantar surface of the footpads in growing broilers and turkeys. This condition not only causes downgrades and condemnations of saleable chicken paws, the portion of the leg below the spur, but is also an animal welfare concern in both the United States and in Europe.. Revenue from chicken paws in 2008 alone was worth $280 million. Harvesting large, unblemished paws has become a priority to poultry companies all over the world. Research on this subject has been ongoing since the 1940s and has looked into many different areas including nutrition, environment, and genetics. Early research looked at nutritional deficiencies such as riboflavin and biotin mainly in turkey poults. This early research was most likely looking at a separate form of dermatitis than what is being investigated now. Recent findings have suggested that there is a myriad of interacting factors that lead to FPD. Litter moisture appears to be the most likely culprit in the onset of this condition. Research has also shown a possible genetic link in the susceptibility to development of FPD lesions. Current chicken paw prices have skyrocketed due to a large export market in Asia. To produce unblemished paws for both increased profit and comply with current animal welfare recommendations, further research is needed to understand how the condition develops and what strategies can be used to prevent it.
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            Wet litter not only induces footpad dermatitis but also reduces overall welfare, technical performance, and carcass yield in broiler chickens

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              Pododermatite de contato em frangos de corte

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                Author and article information

                Journal
                nova
                Nova
                Nova
                Universidad Colegio Mayor de Cundinamarca (Bogotá )
                1794-2470
                July 2014
                : 12
                : 22
                : 187-193
                Article
                S1794-24702014000200007
                Product
                Product Information: website
                Categories
                SOCIAL SCIENCES, INTERDISCIPLINARY

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