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Arquivo Brasileiro de Medicina Veterinária e Zootecnia

On-line version ISSN 1678-4162


SOARES, G.W.N. et al. Clinical evaluation of sheep after high ingestion of mango fruit. Arq. Bras. Med. Vet. Zootec. [online]. 2017, vol.69, n.5, pp.1155-1162. ISSN 1678-4162.

The aim of this study is to clinically evaluate the effects of intra ruminal administration of two different amounts of mango in sheep. The sample was of seven male healthy sheep, which did not receive non-fibrous carbohydrates for at least six months prior to the trial. Rumen fluid pH, total of protozoa in the rumen fluid, urine pH, estimated blood pH, and vital parameters were evaluated at the following times: zero, 12, 16, 20 and 24 hours after administration of the mango. The seven sheep were randomly divided into two groups and received either 0.625% or 1.875% of the dry matter of the pulp and mango peel per kg body weight (M1 and M2, respectively), distributed in cross-over design with a lost portion and 30 days washout. Sheep treated with M2 showed significantly lower average values for ruminal pH than the M1 since T12 (5.1 and 6.9, respectively), indicating the occurrence of ruminal acidosis. The animals treated with M1 showed no systemic changes, while the sheep treated with M2 had mild metabolic acidosis, detected through the lower urinary pH (4.8). The in natura mango ingestion in the amount of 1.875% of the dry matter of mango per kg of body weight proved to provoke rumen acidosis in sheep, leading these animals to: slight depression, rise in heart rate, diminished rumen movement, and diarrhea in some cases.

Keywords : acidosis; rumen; mango; small ruminants.

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