نتایج جستجو برای: fishmeal
تعداد نتایج: 688 فیلتر نتایج به سال:
24 25 Ex-vessel fish prices are essential for comprehensive fisheries management and 26 socioeconomic analyses for fisheries science. In this paper, we reconstructed a global ex27 vessel price database with the following areas of improvement: 1) compiling reported prices 28 explicitly listed as ‘for reduction to fishmeal and fish oil’ to estimate prices separately for 29 catches destined for fi...
This study was designed to examine the cellular and systemic nutrient sensing mechanisms as well as the intermediary metabolism responses in turbot (Scophthalmus maximus L.) fed with fishmeal diet (FM diet), 45% of FM replaced by meat and bone meal diet (MBM diet) or MBM diet supplemented with essential amino acids to match the amino acid profile of FM diet (MBM+AA diet). During the one month f...
Aquaculture is the most rapidly growing segment of global animal production that now surpasses wild-capture fisheries production and is continuing to grow 10% annually. Sustainable aquaculture needs to diminish, and progressively eliminate, its dependence on fishmeal-sourced feed from over-harvested fisheries. Sustainable aquafeed sources will need to be primarily of plant-origin. Soybean is cu...
Reduction of feed costs is a major concern of poultry producers. However, replacement of components of a corn-soybean diet with a lower-cost alternative requires the assessment not only of poultry performance and carcass characteristics but also of resulting meat quality. A brief overview of research studies, conducted over the past 10 yr, investigating the effects of alternative poultry feedst...
The performance of two strains Nile tilapia (the Nyakabera and Lake Kivu) fed a commercial feed or either fishmeal-based fishmeal-free formulated using local ingredients was evaluated for 99 days in Bukavu, eastern highlands the DR Congo (Experiment 1). Strain × interaction significant (p < 0.05) final body weight (FBW) condition factor (CF). Growth both best with feed. Fish-meal free result...
Functional feed supplemented with alternative-economic nutrient sources (protein, carbohydrates, lipids) and probiotics are being considered in shrimp/fish aquaculture production systems as an option to increase yield and profits and to reduce water pollution. In this study the probiotic potential to formulate functional feeds have been evaluated using four dietary treatments: Treatment 1 (B + ...
We investigated aquaculture production of Asian tiger shrimp, whiteleg shrimp, giant river prawn, tilapia, and pangasius catfish in Bangladesh, China, Thailand, and Vietnam by using life cycle assessments (LCAs), with the purpose of evaluating the comparative eco-efficiency of producing different aquatic food products. Our starting hypothesis was that different production systems are associated...
An experiment was carried out to determine the effect of level of digestible undegradable protein (DUP) concentration and source of protein offered to ewes in late pregnancy on subsequent colostrum production and lamb performance. Ninety-one twin-bearing ewes of mixed breeds were offered grass silage and one of six concentrate treatments for a period of 6 weeks prior to lambing. The concentrate...
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