Following a request from the European Commission, EFSA was asked to deliver a scientific opinion on the safety and efficacy of a C.Abel seed extract (Cosap®) as technological feed additive for all animal species except fin fish. In the absence of adequate tolerance studies in the target species or toxicological studies with the additive under assessment, the EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) could not conclude on the safety of extract for the target species. The use of the additive in animal nutrition is not expected to cause concern for consumer safety. The additive is considered as irritant to the eyes and mucous membranes. No conclusions can be reached on the potential of the additive to be irritant to the skin or to be a dermal sensitiser. The use of the additive under the proposed conditions of use is considered safe for the terrestrial compartment. However, no conclusion can be reached on the safety of the additive for the environment when used in feed of aquatic animals other than fin fish. The Panel concluded that the additive has the potential to be efficacious as an emulsifier when used according to proposed conditions of use.
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http://dx.doi.org/10.2903/j.efsa.2024.9022 | DOI Listing |
BMC Res Notes
January 2025
Leibniz Institute for the Analysis of Biodiversity Change, Museum Koenig Bonn, Centre for Molecular Biodiversity Research, Bonn, Germany.
Objective: Fin clipping is the standard DNA sampling technique for whole genome sequencing (WGS) of small fish. The collection of fin clips requires anaesthesia or even euthanisation of the individual. Swabbing may be a less invasive, non-lethal alternative to fin-clipping.
View Article and Find Full Text PDFConserv Physiol
January 2025
Department of Zoology, The University of British Columbia, Vancouver, British Columbia, Canada.
Assessing how at-risk species respond to co-occurring stressors is critical for predicting climate change vulnerability. In this study, we characterized how young-of-the-year White Sturgeon () cope with warming and low oxygen (hypoxia) and investigated whether prior exposure to one stressor may improve the tolerance to a subsequent stressor through "cross-tolerance". Fish were acclimated to five temperatures within their natural range (14-22°C) for one month prior to assessment of thermal tolerance (critical thermal maxima, CTmax) and hypoxia tolerance (incipient lethal oxygen saturation, ILOS; tested at 20°C).
View Article and Find Full Text PDFChemosphere
January 2025
Department of Zoology (Agriculture and Allied Sciences) , C.V. Raman Global University, Bhubaneswar, Odisha, India. Electronic address:
The pace of research efforts has been extraordinarily accelerated across the globe to address the contamination issues caused by pesticides, and fertilizers, especially in the aquatic ecosystem. The sole aim of this study was to assess the effect of urea on Nile tilapia (Oreochromis niloticus). For this purpose, the fish fingerlings were exposed to increasing concentrations of urea such as 0, 1, 2.
View Article and Find Full Text PDFJ Fish Biol
January 2025
Fiji Country Program, Wildlife Conservation Society, Suva, Fiji.
Pacific Island communities are heavily dependent on fisheries for subsistence and livelihoods. Yet, despite their importance, coastal fisheries are poorly managed and commercial pressures increasingly threaten them. Groupers (Epinephelidae) are exceptionally vulnerable to overexploitation due to aspects of their biology while their economic value makes them a prime target for commerce.
View Article and Find Full Text PDFJ Fish Biol
January 2025
Minderoo-UWA Deep-Sea Research Centre, School of Biological Sciences and Oceans Institute, The University of Western Australia, Perth, Western Australia, Australia.
The deep-sea demersal fish fauna is characterized by a prevalence of elongated-body forms with long tapering tails. Using baited camera landers at depths of 4500-6300 m in the Pacific Ocean, we observed multiple instances of backward swimming using reverse undulation of the slender body in four species: the cutthroat eel Ilyophis robinsae, abyssal grenadier Coryphaenoides yaquinae, and cusk-eels Bassozetus sp. and Barathrites iris.
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