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On Liver of Slaughtered Food Animals
Faculty
Veterinary Medicine
Year:
2010
Type of Publication:
Theses
Pages:
110
Authors:
Omar Mohamed Ali El Ebidy
BibID
10881869
Keywords :
Meat Hygiene
Abstract:
Summary:-In the survey over one year (2009) at Manzala abattoir, revealed that the main causes of condemnation of livers are fascioliasis and abscesses.Sixty random samples of normal livers of sheep, cattle and buffalo (20 of animal) were collected from Manzala abattoir. The samples were collected in polyethylene bags, all of which were kept in ice box and transferred immediately to the meat hygiene laboThe results of organoleptic examination revealed that the majority of the examined normal liver samples of the examined animal species exhibited normal colour, consistency, as well as an acceptable odour.The bacteriological examinations revealed that the average aerobic plate count of the examined normal liver samples of sheep, cattle and buffalo was (3.5×106 ± 1.4×106 ), ( 8.6×106 ± 4.3×106) and ( 6.7×106 ± 3.4×106) cfu/g; respectively. While the averageThe residual concentration level of lead (ppm) in the examined liver samples was in a range of 0.090 to 0.170, 0.038 to 0.073 and 0.006 to 0.163 with a mean value of ±SE of 0.127 ± 0.015, 0.053 ± 0.006 and 0.104 ± 0.027 ppm; respectively. All samples (100The residual concentration level of cadmium (ppm) in the examined liver samples was in a range of 0.003 to 0.078, 0.005 to 0.023 and 0.003 to 0.045 with a mean value of ±SE of 0.045 ± 0.014, 0.013 ± 0.003 and 0.027 ± 0.007ppm ; respectively. All samples (The highest mean value of lead concentration was recorded in sheep (0.127 ppm) followed by buffalo (0.104 ppm) then cattle (0.053 ppm).Also, The highest mean value of cadmium concentration was recorded in sheep (0.045 ppm) followed by buffalo (0.027ppm) tThe results of this study demonstrate that no risk of human exposure to cadmium and lead in livers of slaughtered food animals. The effects of lead and cadmium on public health and how to reduce contamination with heavy metals and suggestive hygienic meas
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