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Aspectos clínicos e laboratoriais de um bovino com deslocamento de abomaso à esquerda / Clinical and laboratory aspects of a bovine with left displacement of the abomasum

Gonçalves, Rodrigo Schallenberger; Guagnini, Fábio de Souza; Valle, Stella de Faria; González, Felix Hilário Diaz; Dalto, André Gustavo Cabrera.
Acta sci. vet. (Online); 46(supl): Pub. 349, 2018. ilus, tab
Artigo em Português | VETINDEX | ID: vti-738810


Background: Abomasal diseases of dairy cattle are mainly associated with stress conditions, nutritional disorders and metabolic disorders. Dairy cattle that develop left or right abomasal displacement generally lose their appetite and have 30 to 50% drop in milk production. The objective of this work is to report the clinical and laboratorial aspects of a high yielding Holstein cow suffering left abomasal displacement in Rio Grande do Sul, southern Brazil.Case: The cow was part of a research project of the Veterinary Faculty of the Federal University of Rio Grande do Sul and was monitored weekly. The animal showed decreased milk production, anorexia, prostration, tremors, diarrhea, smelly metritis and a body score of 3 in a scale of 1-5. In the clinical examination, the animal presented respiratory rate of 26 movements per minute (RV: 26-35), heart rate of 71 beats per minute (RV: 48-84), body temperature of 38.5°C (RV: 38- 39.3), normocorate mucosa, moderate dehydration and no ruminal movements. In the abdominal auscultation the animal presented metallic sound in the left flank. Blood concentration of beta-hydroxybutyrate was 8.3 mmol/L (RV: < 1.2 mmol/L). The cow underwent surgery for correction of left abomasum displacement. After surgery, the animal showed improvement of the clinical condition and ate hay, pasture and silage. Feeding with concentrate was avoided for a week. The animal had satisfactory evolution, being monitored for more 4 weeks and afterward was discharge.Discussion: Genetic improvement in milk cattle has led to the selection of animals with higher milk production through the selection of animals with deeper body capacity, which may allow more space in the abdomen for abomasal movement. In the present case, clinical ketosis was confirmed through the presence of ketonuria and ketonemia.[...](AU)
Biblioteca responsável: BR68.1