| Title: | Effects Of Ingestion Of Crude Oil-contaminated Diets On Organs’ Weights And Histopathology Of The Pig |
| Author(s): | Johnson, N. C., Ogbamgba V. M, Eli O. H. & Leton De-Great B. K. |
| Abstract: | The effects of ingestion of crude oil-contaminated diets were investigated on weights of selected organs, namely: liver, heart, kidney and spleen of the growing pig. Forty-eight landrace weaner pigs weighing on average 10 ± 1.1kg were used. The pigs on arrival at the animal wing of the Teaching and Research Farm of the Rivers State University were randomly assigned to four dietary treatment groups of 12 pigs/group. The animals were properly de-wormed via ivermectin injection subcutaneously and a broad-spectrum antibiotic (amoxicillin) intramuscularly. At the end of pre-conditioning, animals were served with their experimental diets: treatment 1 (T1, control diet, had 0 gram of crude/kg of diet, treatment 2 (T2, 5 gram/kg), treatment 3 (T3,10 gram/kg) and treatment 4 (T4, 15 gram /kg). Experimental diets were served at 5% of individual animal body weights for 4 weeks, based on a completely randomized design (CRD). At the end of the 4-weeks’ study period, 4 pigs from each dietary treatment group were humanely slaughtered and organs of interests were removed and weighed, then were dissected for histopathology assessments. Ingestion of crude oil-contaminated diets had no effects (P > 0.05) on hearts and spleens of the animals but significantly (P < 0.05) affected the livers and kidneys resulting in neoplasia in these organs, especially for treatments 3 and 4 as confirmed by the histopathological examinations of the organs. It was concluded that ingestion of crude oil-contaminated diets affected the livers and kidneys of pigs, especially at dietary treatments 3 and 4 but not the hearts and spleens. |
| Keywords: | Crude oil, Contamination, Organ weights, Histopathology and Pig |
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