Het is echter wel schadelijk om overmatig te alcohol te drinken, zeker als u een infectie heeft. Dit komt de infectie eerder verergerd door het gebruik van alcohol antibiotica kopen Doorgaans worden ze voorgeschreven bij bacteriële infecties die om de één of andere reden niet uit zichzelf over gaan; ze doden dan de bacteriën.

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SINTEF Fisheries and
Aquaculture

Safe production of farmed Atlantic salmon - Identification of vulnerabilities in Martinez, I.1; Sandberg, M.1, Westavik, H.1, Garforth, D.2 and Winkel, C.2 1 SINTEF Fisheries and Aquaculture Ltd, 7465-Trondheim, Norway; 2 IFQC SMART Group, Rivercourt Business Centre, Riverlane, Dundalk Co. Louth Ireland. [email protected]
SigmaChain is an EU-financed STREP project with 1 Brazilian and 10 European participants. The objective of SigmaChain is to develop methodologies tooptimise traceability with respect to chain vulnerability to contamination. The work presented here summarizes one of the first activities of the project: the identification of contaminants and of the vulnerability of chain entry pathways in the production of farmed Atlantic salmon, which is one of the four food chains selected in SigmaChain.
We have collected information about over 80 potential contaminants or Table 1. Potential contaminants and groups of natural, malicious and emerging contaminants that groups of natural, malicious and emerging contaminants that might be a might be a risk in the farmed salmon chain.
risk in the farmed salmon chain (Table 1), including their point of entry to the chain, spreading, preventive actions and corrective measurements. oxolinic acid and flumequine, florfenicol, The most vulnerable links in the chain are the feed (entry of toxic metals sulfonamides, quinalones, tetracylines, diflubenzorone, cypermethrine, such as lead, mercury, arsenic or cadmium and their toxic compounds; phosphorated and halogenated organic compounds, PCBs, dioxins, toxic ivermectin, delthamethrin, emamectin benzoate, malachite green and leuco- fillers such as urea or melamine and related contaminants etc.) and veterinary treatments (entry of antibacterial, antihelminthics and Inorganic chemicals Salts and ionized compounds and toxic Caustic soda, phosphates, carbonates, and silicate salts, sodium hypochlorite, arsenic, antiparasitic drugs) but hazards can also enter the chain from the natural environment (Listeria spp); from post harvest handling (E. coli, Shigella 21 Hepatitis A and Norwalk virus, E. coli, L. monocytogenes, Enterobacteriacea bacteria spp, Salmonella spp, Enteriobacteria, other human pathogens)); wrapping of the genus Bacillus, Campylobacter, (colorants, plastics, metals, etc ) and cleaning process (alcohols, surfactants Clostridium, Leptospires, Salmonella, Shigella, Staphylococcus, Yersina, moulds, and formaldehyde) during the processing of the fish.
Anisakis simplex, Cryptosporidium parvum and Diphyllobothrium Minimization of drugs in farmed seafood will come from the implementation of preventive treatment for fish diseases, such as improvement in vaccination programs and screening and isolation of (BHT) and butylated hydroxyanisol (BHA), infected fish. It is more difficult to fight contaminants of malicious origin, ethoxyquin, mineral oils, nitrosamines, melamine since different contaminants may be used depending on its purpose: Polybrominated Diphenyl Ethers (PBDEs)-28, 47, 99, 100, 153 and 154 12 Aldrin, camphechlor, chlordane, heptachlor, (1) if the purpose is to obtain higher profits, it is not usually intended to cause immediate harm, since then the fraud would be discovered and the dioxins (PCDD/PCDF) and dioxine-like PCBs), endosulphan, endrin, isothiazalones, profits would end. In this case, when the presence of the contaminant is discovered, either the contaminant does not cause direct harm (the direct (HCH), benzene hexachloride (BHC), polychlorinated biphenyls (PCBs) harm being caused by the lack of the more expensive missing component) or it may cause harm if consumed for a long time in which case it may have spread widely and the contaminated products may have been Quaternary ammonium compounds, other surfactants consumed for a long time with irreparable damages and even deaths.
(2) if the purpose is to cause widespread harm and panic, unlike above, the Forbidden processed animal protein (meat- contaminants may have been selected for their ability to quickly and seriously harm or kill a large number of people or animals.
Glass, metal pieces, plastics and poly balls Thus, very different contaminants may be used for malicious purpose, including existing known compounds (either alone or together with their usual contaminants whose effects have not been properly tested, such as Continued research and development into safe, nutritious and documented the latest case of melamine and cyanuric acid) or newer designer drugs and feed materials, together with the implementation of stringent quality and toxins specifically designed to cause harm (bioterrorism). In either case safety assurance management systems and appropriate screening and these are unexpected compounds and therefore their presence may be sampling protocols throughout the production and distribution chain, will detected only after a general screening for a wide range of potential form the tools to ensure the production of high quality European Atlantic compounds. They would probably go undetected by most routine Proper analysis of the feed and fish, following the regulations established The analytical methods necessary to detect many of these contaminants, in in each country and the European Union will ensure that the levels of particular toxic elements, and some compounds such as halogenated ones, undesirable substances are kept under legal limits. Taking up already require highly skilled and specialist personnel and sophisticated expensive developed processes to clean oils in the manufacture of oils for fish feeds equipment. This limits the number of laboratories capable of carrying out should be recommended to further ensure the high quality and safety of these analyses resulting in poorer services to the food sector. It is highly desirable to develop simpler and preferably portable analytical methods for the detection of those compounds, as indeed is already the case for many other contaminants, such as bacteria.
The financial support of the European Community (EU Strep project FP6-FOOD-518451, Area: 5.4.4; Topic: T.5.4.4.2.) and of the Norwegian Research Council are gratefully acknowledged.

Source: https://sintef.no/upload/Fiskeri_og_havbruk/Foredling/Food%20and%20consumer%20safety/Safe%20production%20of%20farmed%20Atlantic%20salmon%20SINTEF_2007.pdf

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