Publications by authors named "Christian Caimi"
Article Synopsis
- The study explores the potential of replacing fishmeal with defatted black soldier fly meal in pikeperch aquafeeds, assessing its effects on growth, nutrient digestibility, fillet quality, and sustainability over an 84-day trial.
- Results showed that pikeperch fed diets with lower inclusion of insect meal (H0, H9, H18) performed better in growth, while H18 had lower organ-somatic indices, indicating variations in health metrics between groups.
- The inclusion of insect meal negatively impacted nutrient digestibility and fish fillet quality, especially reducing n-3 fatty acids while increasing n-6 fatty acids, but concurrently lowered the environmental footprint of fish farming.
Article Synopsis
- In aquafeeds, plant proteins replace fishmeal, necessitating exogenous methionine (Met) sources to balance diets for fish like rainbow trout.
- A two-month trial tested five different forms of Met, finding no growth performance differences but changes in body composition, with some forms reducing fat and increasing protein retention.
- The study suggests that all tested Met sources have similar benefits for growth and metabolism in fish, but the exact mechanisms behind these effects need more research.
Article Synopsis
- - Modern aquaculture needs to reduce fish meal (FM) usage in aquafeeds, but substituting FM with alternatives can lead to issues like poor nutrient absorption and metabolic disturbances in carnivorous fish.
- - This study tested three diets for rainbow trout, including a control with high FM and two experimental diets using insect meal and poultry by-products meal as substitutes.
- - The findings indicate that as long as diets are well-balanced nutritionally, substituting FM with sustainable alternatives does not negatively affect the metabolism or health of rainbow trout, with minimal histological changes observed.
Article Synopsis
- * The U.S. strain exhibited significantly better growth metrics and fish health compared to the ITA strain, regardless of the diet type.
- * Analysis showed that the U.S. strain not only had improved body composition but also a more beneficial gut microbiome, indicating a positive relationship between diet and healthy gut bacteria in selected trout.
Article Synopsis
- Phytotherapy utilizes plant-based treatments to prevent and manage diseases in humans and animals, with increasing interest in essential oils and polyphenol extracts in aquaculture for sustainability.
- This study specifically investigates the antioxidant effects of a basil supercritical extract (F1-BEO) in rainbow trout diets, examining various oxidative stress biomarkers after 30 days of feeding.
- Results indicate that a 0.5% F1-BEO supplementation enhances antioxidant defenses, but higher concentrations can hinder enzyme activity and lead to glutathione depletion, suggesting the optimal supplementation level is 0.5% to prevent oxidative stress in farmed trout.
The aim of this study was to evaluate the effect of (HI) and (TM) live larvae as environmental enrichment on the mucin composition, local immune response and microbiota of broilers. A total of 180 four-day-old male broiler chickens (Ross 308) were randomly allotted to three dietary treatments (six replicates/treatment; ten animals/replicate): (i) control (C); (ii) C+HI; (iii) C+TM. Live larvae were distributed based on 5% of the expected daily feed intake.
View Article and Find Full Text PDFBackground: Recent investigations highlighted that Hermetia illucens (BSF) larva meal can be a valuable alternative protein source for aquafeed production. In this study, in substitution of fishmeal, we used increasing inclusion levels of a partially defatted BSF larva meal in low fishmeal-based diets for rainbow trout (Oncorhynchus mykiss Walbaum) and we evaluated the related implications in terms of growth performance, physical characteristics, proximate and fatty acid (FA) compositions of the fillets, gut and liver histology, and diet digestibility. In a 131-day trial, 576 fish (100.
View Article and Find Full Text PDFArticle Synopsis
- * A 154-day study involved four diets with varying levels of larva meal replacing fishmeal, showing no significant impact on fish growth or liver enzyme activity.
- * The digestibility of protein varied, indicating that larva meal can fully replace fishmeal without harming the overall growth performance of rainbow trout.
The trial investigates if a highly defatted larva meal (H) at two dietary inclusion levels and a vegetable protein based diet (VEG) influences the normal gut and liver histology and the oxidative stress biomarkers in liver and kidney of Siberian sturgeon juveniles. Fish were fed four diets: one control diet (H0) containing 70% of fishmeal (FM), two diets including 18.5% (H185) and 37.
View Article and Find Full Text PDFBackground: The present work is aimed at evaluating the effect of different inclusion levels of a partially defatted black soldier fly (, L.; HI) larva meal for ducks. A total of 192 female 3-day-old Muscovy ducklings (, Canedins R71 L White, Grimaud Freres Selection, France) were divided into 4 groups, assigned 4 different dietary treatments (6 replicates/treatment and 8 birds/replicate) and reared from 3 to 50 days of age.
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