Effect of plastic foreign body impaction on rumen function and heavy metal concentrations in various body fluids and tissues of buffaloes

Rumen impaction by plastic waste (PW) is a common condition in the developing countries where ruminants are reared under extensive grazing. As heavy metals (HM) are used in the manufacture of plastic, we hypothesized that buffaloes with PW impaction would have suboptimal rumen function and higher co...

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Bibliographic Details
Published in:Ecotoxicology and environmental safety 2020-02, Vol.189, p.109972, Article 109972
Main Authors: Mahadappa, Priyanka, Krishnaswamy, Narayanan, Karunanidhi, Mahendran, Bhanuprakash, AG, Bindhuja, BV, Dey, Sahadeb
Format: Article
Language:English
Subjects:
Animals
Body Fluids - chemistry
Buffalo
Buffaloes - blood
Buffaloes - physiology
Cadmium - analysis
Chromium - analysis
Copper - analysis
Foreign Bodies
Heavy metals
Lead - analysis
Male
Mercury - analysis
Metals, Heavy - analysis
Metals, Heavy - blood
Plastic waste impaction
Plastics - toxicity
Rumen - chemistry
Rumen - drug effects
Rumen - physiology
Rumen function
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Summary:Rumen impaction by plastic waste (PW) is a common condition in the developing countries where ruminants are reared under extensive grazing. As heavy metals (HM) are used in the manufacture of plastic, we hypothesized that buffaloes with PW impaction would have suboptimal rumen function and higher content of HM in the rumen fluid, sera and body tissues. Buffaloes at an abattoir were categorized into impacted with PW or not (Group C and B, respectively; n = 30/group). From the animals of group C and B, rumen fluid and sera were collected ante-mortem, while muscle, liver and kidney were collected after exsanguination. Blood and rumen fluid of stall-fed buffaloes (Group A; n = 15) served as known negative control. Rumen function was assessed by protozoal density, motility, pH, methylene blue reduction time (MBRT) and sedimentation activity time (SAT). Concentration of HM such as mercury (Hg), lead (Pb), cadmium (Cd), chromium (Cr) and copper (Cu) in the body fluids, tissues and impacted PW was estimated by atomic absorption spectrometry (AAS). A significant decrease in the rumen protozoal density, motility and increase (P 
ISSN:0147-6513
1090-2414
DOI:10.1016/j.ecoenv.2019.109972