Biomonitoring of Toxic Metals in Feathers of Birds from North-Eastern Pakistan

Aziz, Bushra; Zubair, Muhammad; Irshad, Nausheen; Ahmad, Khawaja Shafique; Mahmood, Majid; Tahir, Majid Mahmood; Shah, Khizar Hussain; Shaheen, Aqeela

doi:10.1007/s00128-021-03184-w

Cited by 11 publications

(7 citation statements)

References 38 publications

(49 reference statements)

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“…It prefers to inhabit more crowded urbanized areas with high traffic, which make it exposed to Pb emission more than swallows and doves that prefer more rural areas than urbanized ones. This finding was consistent with the study done in Pakistan, they found a high concentration of Pb in house sparrows (Aziz et al, 2021), especially those near heavy traffic. The consequences of pollution that could be Pb or other sources of pollutants are indicated in a clear way in the testes of house sparrow males that suffered from regressed testicular tissues more than laughing doves and swallows.…”

Section: Discussionsupporting

confidence: 93%

Utilization of birds of different mating system behavior and feeding habits as a bioindicator for urbanization lead pollution

Sheta

El-Qenawy²,

El-Gammal³

2022

Catrina: The International Journal of Environmental Sciences

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Anthropogenic contamination is spreading through every environment on the planet that affects the whole biota. Negative effects have been observed recently in a number of taxa, including birds. Birds are crucial as bioindicators as one of the best studied groups of organisms because they are noticeable, relatively simple to observe, and the subject of public interest and concern. Therefore, evaluation of lead (Pb) levels in the liver, muscle, kidney, and feathers of laughing dove (Streptopelia senegalensis), Egyptian barn swallow (Hirundo rustica savignii), and house sparrow (Passer domesticus niloticus) was done. These bird species, which live in the coastal region of Damietta, have various feeding routines, habitat preferences, and mating strategies. In both the breeding and nonbreeding seasons, these wild birds were collected. Measurement of the levels of lead (Pb) in their liver, kidney, muscle, and feathers were evaluated. The results showed that females of laughing doves and barn swallows had significantly higher Pb concentrations than males, while males of house sparrows accumulated significantly higher Pb concentrations than females. This could be attributed to the active food search in both female laughing doves and swallows, and male sparrows. House sparrows, with the widest range of distribution near main roads, showed the highest concentration of Pb, especially in the liver, kidney, and feather than laughing doves and swallows, which prefer the wild rural areas. Histological examination of the gonads revealed unhealthy testes and ovaries. The ovarian tissue was less impacted than the testicular tissue, especially during the nonbreeding season. Compared to the dove and swallow, the sparrow's gonadal architectural histopathological findings were more noticeable. It seems that testes are more affected and more related to the results of lead measurements, and can be used as a bioindicator for heavy metal pollution. The findings offer also some proof of the house sparrow's potential as a biomonitor for urban heavy metal pollution. This research emphasises the significance of using biomonitors from various habitat types and feeding guilds.

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Section: Discussionsupporting

confidence: 93%

Utilization of birds of different mating system behavior and feeding habits as a bioindicator for urbanization lead pollution

Sheta

El-Qenawy²,

El-Gammal³

2022

Catrina: The International Journal of Environmental Sciences

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“…Chromium is a non-essential element and accumulations of it cause complications in the reproductive systems of birds (Aziz, et al, 2021). The unceasing amounts of chromium in avian species has been recorded worldwide in the areas where leather industry is dominant.…”

Section: Discussionmentioning

confidence: 99%

Differences in Bioaccumulation of Heavy Metals and Metalloids Between Barbs and Calamus of Tail Feathers of White Backed Vultures (Gyps Africanus)

Ashraf

2023

PJS

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Current study was designed to validate the use of tail feathers as non-invasivebiomonitoring tool and to compare its barb and calamus parts for bioaccumulation of heavy metals viz.Cd, Cr, Pb, Cu, Hg and As in white backed vulture (Gyps africanus). A total of 8 tail feathers samplescollected from eight birds were analyzed. All the studied heavy metals except Hg and As were detectedin tail feathers of G. Africanus. We corroborated the use of tail feathers as non-invasive biomonitoringtool for all the heavy metals except Hg and As. In general, metals in feathers followed the trend asPb>Cd>Cr>Cu. Concentrations of trace metals were higher in barbs than calamus reflecting possibleexternal deposition. Comparison of heavy metals revealed non-significant (P> 0.05) differencesbetween barbs and calamus parts. We concluded that barbs of feathers are promising biomonitoringtool for metals contamination.

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“…The level of heavy metals in Pb and Cd was significantly correlated with both raw-unclean and raw-clean EBNs (Table -3). The correlation between Pb and Cd indicated that a link existed between these metals during the contamination [44] of EBNs in SFHs.…”

Section: Correlation Between Heavy Metals In Raw-unclean and Raw-clea...mentioning

confidence: 95%

An investigation of heavy metals in edible bird's nest from Indonesia using inductively coupled plasma mass spectrometry

et al. 2022

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Background and Aim: In 2020, Indonesia, which has the highest global production of edible bird's nest (EBNs), exported up to 1312.5 tons of this product at a value of USD 540.4 million. Recently, food safety aspects related to EBNs, including contamination with heavy metals, have become a serious concern. However, data on the presence and concentration of heavy metals in EBNs in Indonesia are not yet available. This study aimed to determine and compare the presence and concentrations of arsenic (As), mercury (Hg), lead (Pb), cadmium (Cd), and tin (Sn) in EBNs originating from several primary Indonesian islands. The study also analyzed the effect of washing on the heavy metal content in EBNs. Materials and Methods: A study on 44 swiftlet farmhouses (SFHs) was conducted to determine the concentrations of heavy metals in EBNs. The number of samples from the SFHs was allocated proportionally to the main EBN-producing islands in Indonesia, that is, Kalimantan, Sumatera, Sulawesi, and Java (22, 13, 7, and 2, respectively). The concentrations of the above five elements in the samples before washing (raw–unclean EBNs) and after washing (raw–clean EBNs) were determined by inductively coupled plasma mass spectrometry. Washing was conducted according to the general procedures at an EBN processing plant. Results: The raw–unclean EBNs from the four islands contained As, Pb, Cd, and Sn at varying concentrations. However, Hg was not detected in the raw–unclean EBN samples from Sulawesi. The raw–unclean EBNs from Kalimantan had lower concentrations of Pb and Cd compared with the other islands. The concentrations of As, Pb, Cd, and Sn in the EBNs decreased significantly after washing with clean water. Conclusion: Heavy metals (As, Hg, Pb, Cd, and Sn) were detected at a low level in most of the raw–unclean EBNs originating from the main Indonesian island where they were produced. The concentrations of all the heavy metals reviewed in the raw–unclean EBNs samples decreased significantly after washing.

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Biomonitoring of Toxic Metals in Feathers of Birds from North-Eastern Pakistan

Cited by 11 publications

References 38 publications

Utilization of birds of different mating system behavior and feeding habits as a bioindicator for urbanization lead pollution

Utilization of birds of different mating system behavior and feeding habits as a bioindicator for urbanization lead pollution

Differences in Bioaccumulation of Heavy Metals and Metalloids Between Barbs and Calamus of Tail Feathers of White Backed Vultures (Gyps Africanus)

An investigation of heavy metals in edible bird's nest from Indonesia using inductively coupled plasma mass spectrometry

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