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Conserv Physiol 2022 17;10(1):coac030. Epub 2022 May 17.

Department of Biology, University of Ottawa, Ottawa, ON K1N 6N5, Canada.

Naphthenic acids (NAs), the carboxylic acids found in petroleum, are of emerging concern as they contaminate coastlines after oil spills, leech into freshwater ecosystems of oil sands areas and have wide industrial applications. They are acutely toxic in fish and tadpoles and may be endocrine disruptors at sublethal levels. We characterized androgen-dependent courtship behaviours and their disruption by NAs in male Western clawed frogs, . Read More

Glob Chall 2022 May 2;6(5):2100141. Epub 2022 Mar 2.

Istituto per lo Studio dei Materiali Nanostrutturati CNR via U. La Malfa 153 Palermo 90146 Italy.

The "AnchoisFert", the solid residue comprised of milled anchovy leftovers after fish oil extraction with biobased limonene, is a powerful organic fertilizer. Employed to promote the growth of Tropea's red onion (), the fertilizer turns out to largely be superior to commonly used organic (manure) and chemical (nitrogen phosphorous potassium) fertilizers. Rich in proteins, organic carbon, flavonoids, magnesium, potassium, phosphate and sulfate, and devoid of antibiotics and antibiotic resistance genes, the new organic fertilizer can replace both conventional organic and inorganic fertilizers. Read More

Anim Reprod Sci 2022 May 5;241:106989. Epub 2022 May 5.

IU-ECOAQUA, Universidad de Las Palmas de Gran Canaria, Taliarte, 35214, Telde, Las Palmas, Canary Islands, Spain.

Genetic selection programmes in gilthead seabream mainly focus on traits related to growth, disease resistance, skeletal anomalies, or fillet quality. However, the effect of selection for growth on the reproductive performance of seabream broodstock has not received much attention. The present study aimed to determine the effect of selection for growth traits, high (HG) or low (LG) growth, and broodstock feeding with fish oil (FO diet) or rapeseed oil (RO diet) as main lipid sources, on reproductive performance of gilthead seabream. Read More

Nutrition 2022 Mar 23;99-100:111659. Epub 2022 Mar 23.

Institute of Nutrition & Health, Qingdao University, Qingdao, China; School of Public Health, Qingdao University, Qingdao, China; Department of Nutrition, Dietetics and Food, Monash University, Notting Hill, Victoria, Australia; Department of Food Science and Nutrition, Zhejiang University, Hangzhou, China. Electronic address:

Objectives: The fibroblast growth factor 21 (FGF21)-adiponectin axis participates in energy hemostasis and obesity-related syndrome. The present study aimed to investigate whether concentrated fish oil (FO) intervention could alleviate non-alcoholic fatty liver disease (NAFLD) via the regulation of the FGF21-adiponectin axis.

Methods: In a randomized controlled trial, 61 patients with NAFLD, age 55. Read More

Environ Sci Technol 2022 May 20. Epub 2022 May 20.

Department of Chemistry and Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, Canada M1C 1A4.

In a proof-of-concept study, we recently used equilibrium sampling with silicone films to noninvasively derive the thermodynamic limit to a canine's gastrointestinal biomagnification capability (BMF) by determining the ratio of the products of the volume () and fugacity capacity () of food and feces. In that earlier study, low contaminant levels prevented the determination of contaminant fugacities () in food and feces. For zoo-housed polar bears, fed on a lipid-rich diet of fish and seal oil, we were now able to measure the increase in of nine native polychlorinated biphenyls (PCBs) upon digestion, providing incontestable proof of the process of gastrointestinal biomagnification. Read More