Metal Contamination in Macrobrachium rosenbergii from Sarawak River, Malaysia and its Health Risk to Human

Idrus, Farah Akmal; Basri, Mohd; Rahim, Khalid Abdul; Lee, A. C.

doi:10.46488/nept.2021.v20i02.006

Cited by 5 publications

(4 citation statements)

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“…High concentrations of Zn and Pb act as osmoregulatory inhibitors in freshwater prawns PL, the lack of substantial influence of Zn and Pb suggests crude salt as a suitable option for larvae rearing (Liu et al, 2021). Cd is a non‐essential and toxic heavy metal for both human and aquatic organisms, but our result demonstrates a significant relationship with the rearing cycle, survival rate and production, and so it deserves further deep assessment (Idrus et al, 2021).…”

Section: Discussionmentioning

confidence: 73%

“…Cd is a non-essential and toxic heavy metal for both human and aquatic organisms, but our result demonstrates a significant relationship with TA B L E 4 Bivariate relationship between Macrobrachium rosenbergii larvae production parameters and water physicochemical properties (water quality parameters and elements in water sample) in rearing tank water. the rearing cycle, survival rate and production, and so it deserves further deep assessment (Idrus et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

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Partial replacement of seawater with crude salt in giant freshwater prawn Macrobrachium rosenbergii hatchery operation

Ali

Mredul

Rubel

et al. 2022

Aquaculture Research

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The giant freshwater prawn Macrobrachium rosenbergii hatchery operators often face difficulties in seawater transportation. Thus, we aimed to test the locally available crude salt as a suitable alternative to seawater in hatchery operations. For this purpose, seven treatments with different combinations of seawater, brine and crude salt (viz. T1 = 100% seawater, T2 = 100% brine solution, T3 = 100% crude salt, T4 = 80% seawater and 20% crude salt, T5 = 70% seawater and 30% crude salt, T6 = 60% seawater and 40% crude salt and T7 = 50% seawater and 50% crude salt) were tested in the rearing of M. rosenbergii larvae. Water quality parameters exhibited no significant differences, but elemental (Na, Mg, Ca, K, Zn, Cu, Cd and Pb) assemblage (via main effect PERMANOVA) varied across the treatments. Most of the water elements revealed a significant bivariate relationship with the post larvae (PL) production parameters, and this was also confirmed by multivariate RELATE analysis. Among the elements, BEST analysis and the DISTLM model showed that ionic imbalance, especially Na+ concentration, is the main modulator in the hatchery production cycle, productivity and PL survivability. This proves that seawater is the best culture media for larvae rearing but up to 30% replacement by crude salt could be possible at 12 g/L water salinity for giant freshwater prawn PL production.

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Section: Discussionmentioning

confidence: 73%

Section: Discussionmentioning

confidence: 99%

Partial replacement of seawater with crude salt in giant freshwater prawn Macrobrachium rosenbergii hatchery operation

Ali

Mredul

Rubel

et al. 2022

Aquaculture Research

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show abstract

“…Cd, Cu and Zn for examples are toxic to mammals and can accumulate in liver and kidney. Continuous exposure of Cd and Pb to the fish and prawn may cause toxicity to them and also to human that consumed them [91][92][93]. Ni and Chromium (Cr) can cause behavior alteration to the prawn and fish that make them to loss of balance in swimming.…”

Section: Potential Of Adsorption and Accumulation Of Heavy Metals On ...mentioning

confidence: 99%

Occurrence of Microplastics in the Asian Freshwater Environments: A Review

2022

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Microplastics pollution has become a worldwide common problem. Despite the growing numbers in researches regarding the microplastics, the understanding of microplastics in the freshwater environment are still less. This paper overviews the present knowledge and findings on the occurrence of microplastics in water and sediment of the freshwater environments in Asia. The review also covers the size distribution, polymers, morphological characteristics and sources of microplastics to the freshwater systems. Perspective of the adsorption of heavy metals on the microplastics to the freshwater systems are also discussed in this review.

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“…Environmental acidification occurring in nature via natural geographical composition is known to reduce water pH to an acidity level in natural water bodies that is not suitable for most of the aquatic lives (Idrus et al, 2021). Nevertheless, environmental acidification caused by human-related activities via industrialization and agricultural pollution are known to cause spontaneous pH fluctuation (Thalib et al, 2021) and poses serious threats to aquatic ecosystems (Mohamad et al, 2021;Oliveira and de Santos, 2021).…”

Section: Introductionmentioning

confidence: 99%

Low water pH depressed growth and early development of giant freshwater prawn Macrobrachium rosenbergii larvae

Liew

Rahmah²,

Tang³

et al. 2022

Heliyon

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Metal Contamination in Macrobrachium rosenbergii from Sarawak River, Malaysia and its Health Risk to Human

Cited by 5 publications

References 0 publications

Partial replacement of seawater with crude salt in giant freshwater prawn Macrobrachium rosenbergii hatchery operation

Partial replacement of seawater with crude salt in giant freshwater prawn Macrobrachium rosenbergii hatchery operation

Occurrence of Microplastics in the Asian Freshwater Environments: A Review

Low water pH depressed growth and early development of giant freshwater prawn Macrobrachium rosenbergii larvae

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