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OJVRTM
Online Journal of Veterinary Research©
Volume 19(4): 261-269, 2015.
Pathological changes in
Histopathological observations in cardiac, lung, spleen, intestinal and testicular tissues
in sheep and goats
fed foxtail millet (Setaria italica)
Arash Omidi1*, Ukabod
Esmaeilpour2, Fateme Izadi
Yazdanabadi3
1Animal Health Management, Veterinary School, Shiraz University ,2Animal
Science, Faculty of Agriculture, University of Birjand,
3Animal Science, Faculty of Agriculture, University of Tabriz
ABSTRACT
Omidi
A, Esmaeilpour U, Izadi Yazdanabadi F., Histopathological observations in cardiac,
lung, spleen, intestinal and testicular tissues in sheep and goats fed foxtail
millet (Setaria italica), Onl J Vet Res.,
19(4): 261-269, 2015. Millet
feeding is known to damage liver and kidney tissue but its effects on other
tissues have not been evaluated. We report clinical effects
and histopathologic changes in cardiac, pulmonary, splenic, intestinal
and testicular tissues in native bred sheep and goats fed
foxtail millet for 9 weeks. Twelve healthy male sheep and goats were
kept under closed roof against sun exposure. The animals were
adapted for 2 weeks and then fed
hay and foxtail millet ad libitum respectively for 9 weeks. Rectal temperature, heart and
respiratory rates were monitored daily. Some animals showed clinical
signs of hepatogenous photosensitisation. The
animals were euthanized at 9 weeks for necropy and
histopathology. Congestion was found in heart tissue of sheep with
multifocal necrosis and infiltration by mononuclear inflammatory cells in cardiac
cells. Minor mononuclear inflammatory cell infiltration was
observed in cardiac muscle of goats. Mild acute
enteritis was observed in intestinal tissues of sheep. Hemosiderin
pigmentation was seen in the spleen of a sheep. No lesions
were observed in lung of sheep but interstitial pneumonia was observed in
lung tissue of goats. In goats, no specific lesions in intestine,
spleen and testicles were observed. The findings suggest that foxtail
millet feeding may damage cardiac tissue in sheep and goats. The
findings need to be interpreted with caution as no normal feed controls were
used.
Keywords: Foxtail millet, histopatology,
goat, sheep.
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