Effect of zinc and benzene on respiration and excretion of mussel larvae (Perna perna) (Linnaeus, 1758) (Mollusca; Bivalvia)

Jorge, R A D L V C; Lemos, Daniel; Moreira, Gloria S.

doi:10.1590/s1519-69842007000100015

Cited by 11 publications

(3 citation statements)

References 21 publications

(22 reference statements)

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“…The O:N atomic ratio has been often used to indicate which substrate is catabolized for energy production (Carvalho and Phan, 1997;Comoglio et al, 2004;Lemos and Phan, 2001;Lemos et al, 2006;Jorge et al, 2007;Rocha et al, 2005), either from exogenous (food) or endogenous (body reserves) sources. Accordingly, the substrate predominantly catabolized by shrimp fed the Fish diet (O:N 16±5.2) was protein, most likely reflecting the protein-rich food source.…”

Section: Discussionmentioning

confidence: 99%

Energy budgets for juvenile Pacific whiteleg shrimp Litopenaeus vannamei fed different diets

et al. 2019

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Coelho et al.: Energy budget in juvenile whiteleg shrimp 1 Energy budgets for juvenile Pacific whiteleg shrimp Litopenaeus vannamei fed different diets Energy budgets for juvenile Pacific whiteleg shrimp, Litopenaeus vannamei (1.7-4.0 g) fed with different diets were assessed. The energy partitioning between growth, respiration, ammonia excretion, feces and exuvia was calculated to estimate for total food energy intake. Shrimp oxygen consumption and ammonia excretion were quantified in sealed chambers (25°C, 34 ppt). Energy allocated for growth and feces were obtained from the wet combustion of whole body and feces samples, exuvia was estimated as 10% growth energy. Three diets were tested: 100% chopped fish (Fish), 100% commercial feed (Feed), and 50-50% chopped fish and commercial feed (Mix). Most of the energy from the diets was channeled into respiration (49.7-70.5%). Shrimp fed the Feed diet used more energy in growth (24.4%) than those fed Mix (13.4%) or Fish diets (13.2%), either in absolute (joule) or relative (% of ingested energy) terms. Conversely, energy loss as ammonia excretion was lower in shrimp fed Feed (1.0%) compared to shrimp fed Mix (4.2%) or Fish diets (7.8%). Less energy was lost in feces by shrimp fed Fish diet (7.3%) compared to Mix (20.2%) and Feed diets (22.2%). The calculated energy intake by shrimp fed Fish, Mix and Feed were 0.995, 1.100, and 1.255 kJ ind-1 day-1 , respectively. According to the O:N atomic ratios (oxygen consumed to nitrogen excreted), protein tented to be the predominant substrate catabolized by shrimp fed Fish (O:N=16±5.2), and Mix (O:N=25±11.6), with increasing use of carbohydrates and/or lipids in the Feed (O:N=74±37.3). Results suggest diet composition may affect energy budget and partitioning differently between metabolism and growth either in absolute or relative terms, as shrimp fed Fish and Mix diets used protein as main substrate for metabolism, whereas shrimp fed Feed diet channeled protein for growth, and lipids and carbohydrates for other metabolic functions.

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Section: Discussionmentioning

confidence: 99%

Energy budgets for juvenile Pacific whiteleg shrimp Litopenaeus vannamei fed different diets

et al. 2019

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“…Crucially, the oxygen entering the epithelium cells is utilized in the very these cells. And it has been shown that the amount of oxygen consumed from the at-mosphere is almost equal to that consumed from water (kRogh 1941, Jones 1961, stadnYchenko 1990, 2013, JoRge et al 2007.…”

Section: Discussionmentioning

confidence: 99%

“…This is crucially important not only for European water networks, but for the water https://doi.org/10.12657/folmal.030.020 Folia Malacol. 30(3): 135-142 networks on other continents as well (JoRge et al 2007, khaYatzadeh & aBBasi 2010, de lisi et al 2013, RosteRn 2017, li et al 2019.…”

Section: Introductionmentioning

confidence: 99%

Effect of zinc ions on the lung and cutaneous diffusive respiration of the great ramshorn Planorbarius corneus allospecies (Mollusca: Gastropoda: Pulmonata: Planorbidae) of the Ukrainian river network

Babych¹,

Romaniuk²,

Stadnychenko³

et al. 2022

Folia Malacol.

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Toxicological studies were performed to analyze the effect of Zn2+ in different concentrations on the lung and cutaneous diffusive respiration of great ramshorn Planorbarius corneus (Linnaeus, 1758) allospecies from the two geographically separate populations. At 0.5 MPC Zn2+ in the water containing experimental molluscs, there were no statistically significant changes in the number or duration of inspirations compared to the control. Increasing the concentration of toxicant to 2 MPC was accompanied by a sharp increase in both (p≤0.001), as also in the volume of inspirations (p≤0.05). Increasing concentrations to 5 and 10 MPC was followed by drastic and statistically significant impairments of pulmonary respiration indices. Avoidance also collapsed at these higher concentrations, and the accumulation of thick mucus inhibiting respiration resulted in heavy mortality. Trends were the same in both “western” and “eastern” allospecies, although the latter appeared marginally less resistant. The main reason for changes in respiratory function is the damage inflicted by toxicant on the lung and cutaneous respiratory epithelium. The effects are highly intensified production of mucus which completely blocks oxygen intake by cutaneous epithelium and induces cell death in the respiratory epithelium.

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Circulation, respiration, excretion and osmoregulation

Gosling¹

2015

Marine Bivalve Molluscs

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Effect of zinc and benzene on respiration and excretion of mussel larvae (Perna perna) (Linnaeus, 1758) (Mollusca; Bivalvia)

Cited by 11 publications

References 21 publications

Energy budgets for juvenile Pacific whiteleg shrimp Litopenaeus vannamei fed different diets

Energy budgets for juvenile Pacific whiteleg shrimp Litopenaeus vannamei fed different diets

Effect of zinc ions on the lung and cutaneous diffusive respiration of the great ramshorn Planorbarius corneus allospecies (Mollusca: Gastropoda: Pulmonata: Planorbidae) of the Ukrainian river network

Circulation, respiration, excretion and osmoregulation

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