Evaluation of boldenone as a growth promoter in broilers: safety and meat quality aspects
The object of this study was to evaluate the safety and meat quality criteria in broilers following intramuscular injection of boldenone. Twenty-four broiler chicks, divided into two groups, were used in the present study. Boldenone was injected intramuscularly at a single-dose level of 5 mg/kg body...
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doaj-8e1335a421c84d1b89f9dd38765a82802020-11-24T23:07:07ZengElsevierJournal of Food and Drug Analysis1021-94982016-04-0124228429210.1016/j.jfda.2015.12.001Evaluation of boldenone as a growth promoter in broilers: safety and meat quality aspectsAbdelrazzag Elmajdoub0Aboubaker Garbaj1Said Abolghait2Abubakr El-Mahmoudy3Department of Pharmacology, Toxicology, & Forensic Medicine, Faculty of Veterinary Medicine, University of Tripoli, 13662 Tripoli, LibyaDepartment of Food Hygiene and Control, Faculty of Veterinary Medicine, Tripoli University, 13662 Tripoli, LibyaDepartment of Food Hygiene and Control, Faculty of Veterinary Medicine, Suez Canal University, 41522 Ismailia, EgyptDepartment of Pharmacology, Faculty of Veterinary Medicine, Benha University, 13736 Moshtohor, EgyptThe object of this study was to evaluate the safety and meat quality criteria in broilers following intramuscular injection of boldenone. Twenty-four broiler chicks, divided into two groups, were used in the present study. Boldenone was injected intramuscularly at a single-dose level of 5 mg/kg body weight into 12 broiler chicks at 2 weeks old; the other 12 chicks were injected with sesame oil and kept as controls. Blood samples were collected from the wing and metatarsal veins after 1, 2, and 3 weeks through the experimental course for hematological and clinic-chemical safety parameters. On the last day, chicks were humanely sacrificed and livers and kidneys were removed for histopathological examination. Breast muscles were also removed to assess meat-quality parameters. Boldenone significantly (p < 0.05) increased total erythrocytic count and hemoglobin and hematocrit values, while mean corpuscular hemoglobin and mean corpuscular hemoglobin concentration indices decreased. Leukogram showed leukopenia, lymphopenia, and granulocytosis (p < 0.05) as compared to control. Hepatorenal biomarkers, including alkaline phosphatase, aspartate aminotransferase, alanine aminotransferase, urea, and creatinine were significantly (p < 0.05) higher than the corresponding control values. Additionally, boldenone significantly (p < 0.05) increased metabolic markers, including total protein, globulins, cholesterol, triacylglycerols, and glucose, with parallel decreases in albumin and albumin/globulin ratio. Degenerative changes were recorded in liver and kidney tissues from chicks treated with boldenone. Muscle samples exhibited raised pH values and higher microbial counts as compared to the corresponding control. These data may discourage the use of boldenone as a growth promoter in broilers due to safety and meat quality reasons.http://www.sciencedirect.com/science/article/pii/S1021949816000077BroilersBoldenoneClinicochemicalMeat qualitySafety |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Abdelrazzag Elmajdoub Aboubaker Garbaj Said Abolghait Abubakr El-Mahmoudy |
spellingShingle |
Abdelrazzag Elmajdoub Aboubaker Garbaj Said Abolghait Abubakr El-Mahmoudy Evaluation of boldenone as a growth promoter in broilers: safety and meat quality aspects Journal of Food and Drug Analysis Broilers Boldenone Clinicochemical Meat quality Safety |
author_facet |
Abdelrazzag Elmajdoub Aboubaker Garbaj Said Abolghait Abubakr El-Mahmoudy |
author_sort |
Abdelrazzag Elmajdoub |
title |
Evaluation of boldenone as a growth promoter in broilers: safety and meat quality aspects |
title_short |
Evaluation of boldenone as a growth promoter in broilers: safety and meat quality aspects |
title_full |
Evaluation of boldenone as a growth promoter in broilers: safety and meat quality aspects |
title_fullStr |
Evaluation of boldenone as a growth promoter in broilers: safety and meat quality aspects |
title_full_unstemmed |
Evaluation of boldenone as a growth promoter in broilers: safety and meat quality aspects |
title_sort |
evaluation of boldenone as a growth promoter in broilers: safety and meat quality aspects |
publisher |
Elsevier |
series |
Journal of Food and Drug Analysis |
issn |
1021-9498 |
publishDate |
2016-04-01 |
description |
The object of this study was to evaluate the safety and meat quality criteria in broilers following intramuscular injection of boldenone. Twenty-four broiler chicks, divided into two groups, were used in the present study. Boldenone was injected intramuscularly at a single-dose level of 5 mg/kg body weight into 12 broiler chicks at 2 weeks old; the other 12 chicks were injected with sesame oil and kept as controls. Blood samples were collected from the wing and metatarsal veins after 1, 2, and 3 weeks through the experimental course for hematological and clinic-chemical safety parameters. On the last day, chicks were humanely sacrificed and livers and kidneys were removed for histopathological examination. Breast muscles were also removed to assess meat-quality parameters. Boldenone significantly (p < 0.05) increased total erythrocytic count and hemoglobin and hematocrit values, while mean corpuscular hemoglobin and mean corpuscular hemoglobin concentration indices decreased. Leukogram showed leukopenia, lymphopenia, and granulocytosis (p < 0.05) as compared to control. Hepatorenal biomarkers, including alkaline phosphatase, aspartate aminotransferase, alanine aminotransferase, urea, and creatinine were significantly (p < 0.05) higher than the corresponding control values. Additionally, boldenone significantly (p < 0.05) increased metabolic markers, including total protein, globulins, cholesterol, triacylglycerols, and glucose, with parallel decreases in albumin and albumin/globulin ratio. Degenerative changes were recorded in liver and kidney tissues from chicks treated with boldenone. Muscle samples exhibited raised pH values and higher microbial counts as compared to the corresponding control. These data may discourage the use of boldenone as a growth promoter in broilers due to safety and meat quality reasons. |
topic |
Broilers Boldenone Clinicochemical Meat quality Safety |
url |
http://www.sciencedirect.com/science/article/pii/S1021949816000077 |
work_keys_str_mv |
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