Garbage waste induced heavy metals on roaming cattle

Hossain, Altab; Tarafder, Mma; Hasan, Mahmudul; Kabir, Akma; Azad, M. A. K.

doi:10.3329/bjas.v46i1.32172

Cited by 2 publications

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References 1 publication

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“…However, the contamination of cadmium in the milk samples is widely detected. For instance, Hossain, Tarafder, Hasan, Kabir, and Azad (2017) reported that the milk of roaming animals in Dhaka, Bangladesh contains 7.52 ppm cadmium on average. The animals feed on municipal garbage that has lower cadmium concentrations.…”

Section: Discussionmentioning

confidence: 99%

“…In the uncontrolled feed category, both animal species take their food from other sources. Alam, Kabir, Sakib, Salahuddin, and Azad (2016) and Hossain et al (2017) investigated the toxic metals in the milk of animals nourished on municipal solid waste. Hossain et al (2017) found very high chromium concentrations (10.99 ppm) in the milk of roaming animals in Dhaka, Bangladesh.…”

Section: Discussionmentioning

confidence: 99%

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Determination of heavy metals in cow's and buffalo's fresh raw milk from different areas of Pakistan

Abid

Shams

Tahir

et al. 2023

AGJSR

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PurposeThe presence of heavy metals in milk causes many acute and chronic physiological dysfunctions in human organs. The present study aims to investigate the heavy metals in cow's and buffalo's milk of two major cities, Karachi and Gujranwala, Pakistan to estimate metal intake by humans from this source.Design/methodology/approachIn total, 48 milk samples from 2 cities were drawn from animals' udder to avoid contamination. Each sample was digested with nitric acid at 105 oC (degree Celsius) on a pre-heated electric hot plate to investigate the metals by atomic absorption spectroscopy (flame type). Air-acetylene technique analyzed chromium, cadmium and lead, and the hydride method analyzed arsenic in the milk samples.FindingsThe results revealed the highest mean lead concentration (19.65 ± 43.86 ppb) in the milk samples, followed by chromium (2.10 ± 2.33 ppb) and arsenic (0.48 ± 0.73 ppb). Cadmium was not detected in any sample, assuming cadmium's occurrence was below the detection level. The concentrations of all the metals in the samples of the two cities do not differ statistically. Lead concentrations in the buffalo's milk were higher than in cow's milk (p < 0.05). However, the concentrations of arsenic and chromium between buffalo's and cow's milk do not differ statistically. The present study reveals a lower level of metals in the milk than those conducted elsewhere. The mean concentrations of all the metals met the World Health Organization's (WHO) safety guidelines (1993).Research limitations/implicationsAlthough cadmium causes toxicity in the human body, cadmium could not be measured because cadmium's concentration was below the detection level, which is 1 ppb.Practical implicationsThis study will help reduce the toxic metals in our environment, and the sources of heavy metals, particularly from the industrial sector could be identified. The feed and water consumed by the milking animals could be carefully used for feeding them.Social implicationsThis study will help reduce the diseases and malfunction of human organs and organ systems since these heavy metals cause toxicity and carcinogenicity in humans. Arsenic and chromium cause cancer while lead causes encephalopathy (a brain disease).Originality/valueThe study reports heavy metal concentrations in the two attributes of four independent variables of raw milk samples that were scarcely reported from Pakistan.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Determination of heavy metals in cow's and buffalo's fresh raw milk from different areas of Pakistan

Abid

Shams

Tahir

et al. 2023

AGJSR

View full text Add to dashboard Cite

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A Six-Decade Review: Research on Cattle Production, Management and Dairy Products in Bangladesh

Samad¹

2020

JVMOHR

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Background: Historical changes in the demand of animal protein sources (milk & meat) for human consumption have been largely increased due to increased growth of human population, income and urbanization in Bangladesh. Research on cattle production and management especially cattle breeding, feeds and fodders, milk production and products have contributed to increase potential production and genetic gains of cattle. A comprehensive review on the published inland research reports on cattle production, management and dairy products are lacking in literature which is required for further research for the cattle development and production. Objectives: An attempt to review on the published inland research reports on the advances in science and technology on cattle production, management and dairy products in Bangladesh Materials and Methods: A systematic literature review of research articles on cattle production, management and dairy products published between 1962 and 2020 from Bangladesh has been reviewed. A total of 1185 research articles on cattle production, management and dairy products supported with some international related articles have been reviewed and analyzed. Results: Research data on cattle production, management and dairy products are compiled from 1185 different research reports supported with some international reports. This review covers the status of cattle breeds and varieties with tabulated summary of 21 reports on draught cattle, 83 on fodder production, 97 on nutrition, feeds and feeding, 88 on trials of different feed formulations in non-dairy cattle and 68 on dairy cattle, 5 on the effects of heat stress on health and production, 39 on fattening of cattle, 27 on genetics and breeding, 75 on semen and AI, 20 on factors associated with conception rate (CR), 8 on oocyte and embryo collection, 9 on genotypes of dairy cows, 7 on management of smallholder dairy farms, 48 on milk production status of dairy cattle, 32 on economics of rearing cattle, 99 on productive and reproductive performances of cattle, 7 on estrus and pregnancy diagnosis, 7 problems of dairy farmers, 23 on preservative and adulteration of milk, 20 on constituents and methods of sweet preparation, 11 on cheese preparation, 9 on ice-cream, 56 on yoghurt, 4 on beef cattle production, 34 on birth weight, and 15 on calf rearing including calf milk replacer and calf starter. Conclusions: Data based reports are important for priority setting and targeting with mandate for cattle development and increase production. Currently, one of the biggest gaps in the inland datasets on cattle research and this review addresses this gap by bringing together in a review and highlighting some of the major findings. Cross-breeding remains an attractive option for cattle improvement because of the quick results that can be obtained by its use and the potential benefits it has farmers. This review would serve as an archive of research reports on cattle production, management and dairy products for the concerned academicians, research scientists, organizations and government for future planning for education, research and extension on cattle production. Keywords: Systematic review, Six decades, Cattle, Management, Production, Dairy products, Bangladesh

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Garbage waste induced heavy metals on roaming cattle

Cited by 2 publications

References 1 publication

Determination of heavy metals in cow's and buffalo's fresh raw milk from different areas of Pakistan

Determination of heavy metals in cow's and buffalo's fresh raw milk from different areas of Pakistan

A Six-Decade Review: Research on Cattle Production, Management and Dairy Products in Bangladesh

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