Differentiation of Gastrointestinal Diseases of Calves

Navarre, Christine B.; Belknap, Ellen B.; Rowe, Sara E.

doi:10.1016/s0749-0720(15)30136-5

Cited by 12 publications

(13 citation statements)

References 25 publications

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“…Para establecer medidas eficientes de prevención y control es indispensable determinar la causa específica de esta enfermedad. En los casos de diarrea el color, la consistencia y otras características físicas pueden verse similares por eso la identificación del agente es necesaria para hacer el diagnóstico (1).…”

Section: Introductionunclassified

Identificación de agentes infecciosos asociados con Diarrea Neonatal Bovina en la Sabana de Bogotá

2012

Rev MVZ Córdoba

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RESUMENObjetivo. Determinar los agentes infecciosos asociados causalmente a la presentación de Diarrea Neonatal Bovina (DNB) en terneros menores de 5 semanas de vida, procedentes de fincas lecheras y de producción mixta de la Sabana de Bogotá. Materiales y métodos. Se seleccionaron por conveniencia 21 fincas, se realizó seguimiento de 620 terneros desde el nacimiento hasta las 5 semanas de edad, se tomaron muestras de materia fecal de los animales que presentaron cuadro clínico de diarrea y de terneros clínicamente sanos como controles pareados. Se realizaron pruebas de ELISA para diagnóstico de E.coli F5, Rotavirus, Coronavirus, Cryptosporidium sp., y Salmonella sp., prueba de Ritchie para diagnóstico de Giardia sp., y tinción de Ziehl Neelsen modificada para Cryptosporidium sp. Se evaluó la asociación epidemiológica entre los agentes y la presentación de diarrea usando prueba de c2, seguido de un modelo de regresión logística (p<0.05). Resultados. Se encontró en la prueba de ELISA que de la totalidad de las muestras, 51 (38.3%), 26 (19.7%), 10 (7.5%) y 1 (0.75%) fueron positivas a Cryptosporidium sp., rotavirus, E coli F5 y coronavirus, respectivamente. Los animales positivos a Rotavirus por la prueba de ELISA y a Cryptosporidium sp., por la técnica de Ziehl Neelsen modificada tuvieron 2.6 y 7.0 veces mayor probabilidad que los demás animales de presentar DNB, respectivamente. Conclusiones. Los resultados presentados son los primeros que muestran el papel y la importancia del Cryptosporidium sp., y del Rotavirus en la DNB en las explotaciones ganaderas de la Sabana de Bogotá y en Colombia.

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Section: Introductionunclassified

Identificación de agentes infecciosos asociados con Diarrea Neonatal Bovina en la Sabana de Bogotá

2012

Rev MVZ Córdoba

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“…In the clinical signs associated with the four types of gastrointestinal diseases targeted in this study ( Table 1 ), different patterns of abdominal distention presented among these four diseases. The types of abdominal distention in younger affected calves can be divided into left-sided, right-sided, and bilateral [ 31 ]. In younger cases, the right-sided and bilateral types are the predominant macroscopic appearance associated with various abdominal diseases, compared with a smaller proportion of the left-sided type, induced mainly by left displacement of the abomasum as well as various diseases of the rumen [ 11 , 31 ].…”

Section: Discussionmentioning

confidence: 99%

“…Bovine intestinal obstruction may be identified based on indicative findings, such as excess intraluminal gas in dilated intestinal loops or the appearance of horizontal gas–fluid interfaces [ 6 , 24 , 25 , 26 , 27 , 28 ]. Contrast radiography is routinely utilized to diagnose various intestinal diseases in small animals [ 29 ] and could be helpful for diagnosing abomasal dislocation and atresia coli in some bovine cases [ 30 , 31 ]. However, the diagnostic efficacy of radiography in bovine practice may be inferior to that in small animal practice, because of the lack of clarity of lesions due to the overlapping of the very large abdominal viscera and the presence of structural traps such as the omasum preventing the smooth intraluminal flow of contrast medium when administrated orally [ 27 , 28 ].…”

Section: Introductionmentioning

confidence: 99%

Efficacy of Abdominal Ultrasonography for Differentiation of Gastrointestinal Diseases in Calves

Yoshimura

Tsuka

Yoshimura

et al. 2022

Animals

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This study investigated the clinical efficacy of abdominal ultrasonography for abomasal dilation in three calves, intestinal volvulus in five calves, intussusception in one calf, and internal hernia in one calf. In the abdominal ultrasonograms of the abomasal dilation cases, this disease was commonly characterized by severely extended lumens, including heterogeneously hyperechoic ingesta without intraluminal accumulations of gas. In the animals with intestinal volvulus and intussusception, a to-and-fro flow was observed to be a common ultrasonographic characteristic that led to suspicion of an intestinal obstruction. The use of abdominal ultrasonography for five cases with intestinal volvulus gave no reason to suspect this disease, despite its efficacy in one case, based on an acutely angled narrowing. Although three of five animals with intestinal volvulus had intestinal ruptures, no ultrasonographic evidence could be obtained. When abdominal ultrasonography was used for one case with intussusception, this pathological condition could be strongly suspected, as a “target” sign was observed. This finding supported surgical intervention for this case, followed by treatment with manual reduction, resulting in a favorable outcome. In terms of the differential and definitive diagnosis for various intestinal diseases, abdominal ultrasonography may be poor at providing indicative evidence, but very helpful for confirming intestinal obstruction.

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“…Co-infection with viral and bacterial pathogens is common, and viral components often increase susceptibility to bacterial pathogens (e.g., immunosuppressive nature of bovine viral diarrhea infection) [ 94 ]. Similarly complex etiologies are observed with neonatal scours in cattle where viruses, bacteria, and parasites may cause disease in calves of varying ages as microbial populations in the juvenile gastrointestinal system evolve [ 95 ].…”

Section: Microbial Fuel Cells and Potential Applications For Ruminantmentioning

confidence: 99%

Microbial Fuel Cells and Microbial Ecology: Applications in Ruminant Health and Production Research

Bretschger

Osterstock²,

Pinchak³

et al. 2009

Microb Ecol

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Microbial fuel cell (MFC) systems employ the catalytic activity of microbes to produce electricity from the oxidation of organic, and in some cases inorganic, substrates. MFC systems have been primarily explored for their use in bioremediation and bioenergy applications; however, these systems also offer a unique strategy for the cultivation of synergistic microbial communities. It has been hypothesized that the mechanism(s) of microbial electron transfer that enable electricity production in MFCs may be a cooperative strategy within mixed microbial consortia that is associated with, or is an alternative to, interspecies hydrogen (H2) transfer. Microbial fermentation processes and methanogenesis in ruminant animals are highly dependent on the consumption and production of H2in the rumen. Given the crucial role that H2 plays in ruminant digestion, it is desirable to understand the microbial relationships that control H2 partial pressures within the rumen; MFCs may serve as unique tools for studying this complex ecological system. Further, MFC systems offer a novel approach to studying biofilms that form under different redox conditions and may be applied to achieve a greater understanding of how microbial biofilms impact animal health. Here, we present a brief summary of the efforts made towards understanding rumen microbial ecology, microbial biofilms related to animal health, and how MFCs may be further applied in ruminant research.

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Differentiation of Gastrointestinal Diseases of Calves

Cited by 12 publications

References 25 publications

Identificación de agentes infecciosos asociados con Diarrea Neonatal Bovina en la Sabana de Bogotá

Identificación de agentes infecciosos asociados con Diarrea Neonatal Bovina en la Sabana de Bogotá

Efficacy of Abdominal Ultrasonography for Differentiation of Gastrointestinal Diseases in Calves

Microbial Fuel Cells and Microbial Ecology: Applications in Ruminant Health and Production Research

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