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Author: Gizaw Mekonnen
Publisher: GRIN Verlag
ISBN: 3346103579
Category : Medical
Languages : en
Pages : 35
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Book Description
Bachelor Thesis from the year 2019 in the subject Veterinary medicine, grade: 18, , course: Seminar on Animal Health, language: English, abstract: Mycotoxins are secondary metabolism of filamentous fungi, which under suitable temperature and humidity conditions, and found in various foods and feeds, causing negative effect for human and animal health.There are different mycotoxins which have agricultural and economic importance including aflatoxins, ochratoxins, trichothecenes, zearalenone, fumonisins, tremorgenic toxins, and ergot alkaloids. Mycotoxins occur more frequently in areas with a hot and humid climate, favourable for the growth of molds, they can also be found in temperate zones.In comparison to monogastric species, ruminant animals are generally less susceptible to the adverse effects caused by contamination of feeds with mycotoxins because presence of rumen microflora in rumen. However, a number of mycotoxins resist rumen degradation, causing distinct clinical signs of intoxication. Dairy cattle can be exposed to different number of mycotoxins because complex feeding diet originating from different feed materials such as roughage and concentrates. Exposure of diary catte to these mycotoxins may result in unexpected health problem. Due to apre-existing negative energy balance, cows in the transition period are considered to be particularly sensitive to the exposure to feeds. The variation of mycotoxinoccurence due to different factors, including agricultural practices and climatic conditions. Aflatoxins (AFs) are found in maize and peanuts, aswell as in tree nuts and dried fruits. OTA is found mainly in cereals, but significant levels of contamination may also occur in wine, coffee, spices and dried fruits. Other products of concern are beans, roasted coffee and cocoa, malt and beer, bread and bakery products, wines and grape juices, spices, poultry meat and kidneys, pig kidneys and pork sausages. The production of secondary metabolism is the effect of Fungal metabolism Secondary metabolites, are formed from a relatively small number of branch points of primary metabolic pathways. Among them some of these secondary metabolites are used as antibiotics, while others are very toxic and carcinogenic to humans and animals.Economic impact associated with mycotoxicosisincluding:Slower growth rates, Poor conception rates, inconsistentmanure, Increased disease susceptibility, Reduced production performance, loss of animal and human life, veterinary and public cost of treatment.
Author: Gizaw Mekonnen
Publisher: GRIN Verlag
ISBN: 3346103579
Category : Medical
Languages : en
Pages : 35
Get Book Here
Book Description
Bachelor Thesis from the year 2019 in the subject Veterinary medicine, grade: 18, , course: Seminar on Animal Health, language: English, abstract: Mycotoxins are secondary metabolism of filamentous fungi, which under suitable temperature and humidity conditions, and found in various foods and feeds, causing negative effect for human and animal health.There are different mycotoxins which have agricultural and economic importance including aflatoxins, ochratoxins, trichothecenes, zearalenone, fumonisins, tremorgenic toxins, and ergot alkaloids. Mycotoxins occur more frequently in areas with a hot and humid climate, favourable for the growth of molds, they can also be found in temperate zones.In comparison to monogastric species, ruminant animals are generally less susceptible to the adverse effects caused by contamination of feeds with mycotoxins because presence of rumen microflora in rumen. However, a number of mycotoxins resist rumen degradation, causing distinct clinical signs of intoxication. Dairy cattle can be exposed to different number of mycotoxins because complex feeding diet originating from different feed materials such as roughage and concentrates. Exposure of diary catte to these mycotoxins may result in unexpected health problem. Due to apre-existing negative energy balance, cows in the transition period are considered to be particularly sensitive to the exposure to feeds. The variation of mycotoxinoccurence due to different factors, including agricultural practices and climatic conditions. Aflatoxins (AFs) are found in maize and peanuts, aswell as in tree nuts and dried fruits. OTA is found mainly in cereals, but significant levels of contamination may also occur in wine, coffee, spices and dried fruits. Other products of concern are beans, roasted coffee and cocoa, malt and beer, bread and bakery products, wines and grape juices, spices, poultry meat and kidneys, pig kidneys and pork sausages. The production of secondary metabolism is the effect of Fungal metabolism Secondary metabolites, are formed from a relatively small number of branch points of primary metabolic pathways. Among them some of these secondary metabolites are used as antibiotics, while others are very toxic and carcinogenic to humans and animals.Economic impact associated with mycotoxicosisincluding:Slower growth rates, Poor conception rates, inconsistentmanure, Increased disease susceptibility, Reduced production performance, loss of animal and human life, veterinary and public cost of treatment.
Author: Patrick Berka Njobeh
Publisher: BoD – Books on Demand
ISBN: 1838818464
Category : Medical
Languages : en
Pages : 182
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Book Description
This Edited Volume Mycotoxins - Impact and Management Strategies is a collection of reviewed and relevant research chapters, offering a comprehensive overview of recent developments in the field of Mycotoxicology. The book comprises of single chapters authored by various researchers and edited by an expert active in this research area. This book is divided into three sections. Section 1 consists of one chapter that gives an overview of the socioeconomic impact of mycotoxins. Section 2 has five chapters that address the prevention and control of aflatoxins both at pre- and post-harvest stages. Section 3 has two chapters that deal with health impact and control in the poultry industry. This publication aims at providing a thorough overview of the latest research efforts in the field and opens new possible research paths for further novel developments in addressing the problem of mycotoxins.
Author: Duarte Diaz
Publisher: Context Products
ISBN: 9781899043521
Category :
Languages : en
Pages : 360
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Book Description
Moulds and the mycotoxins they produce, have a wide-ranging economic impact on animal agriculture on every continent of the globe. Mould growth robs feed nutritive value and reduces intake, which lowers efficiency. Mycotoxins, even when present at levels previously considered 'trace', have negative effects on performance and health, particularly in the context of today's more highly productive modern livestock genetics. Food-borne toxins also threaten human health through contaminated cereal and protein sources and transfer of toxins in food animal products. The Mycotoxin Blue Book focuses on the physiological effects and field occurrence of mycotoxins. Detailed information on types of moulds and mycotoxins and the conditions under which moulds flourish is included. Implications of mycotoxin contamination of feedstuffs for all major food animal species are presented in addition to aquaculture and companion animals. Sampling and analytical issues are covered in depth; as is the topic of mycotoxins in human foods. Finally, practical means of ameliorating mycotoxin effects are addressed. It is the hope of the editor and authors that the material herein will lead to clearer recognition of mycotoxin problems and ultimately to ways of reducing their impact on food animal production. An excellent guide for nutritionists, advisors, farmers and students involved with and using animal feed. Contents: Sampling feeds for mycotoxin analysis Mycotoxins: their effects in poultry and some practical solutions Effects of mycotoxins in horses Effects of mycotoxins on domestic pet species Effects of mycotoxins on antioxidant status and immunity Mycotoxins in aquaculture Principles and applications of mycotoxin analysis Mycotoxins in the human food chain Mould growth and mycotoxin production Current concepts in mycotoxicoses in swine Mycotoxins in forages Mycotoxin interactions Mycotoxins: metabolism, mechanisms and biochemical markers Effects of mycotoxins in ruminants Mycotoxin sequestering agents: practical tools for the neutralisation of mycotoxins Index
Author: Lukman Abdulra'Uf
Publisher: BoD – Books on Demand
ISBN: 9535134574
Category : Science
Languages : en
Pages : 292
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Book Description
Aflatoxins are a group of highly toxic and carcinogenic substances, which occur naturally, and can be found in food substances. Aflatoxins are secondary metabolites of certain strains of the fungi Aspergillus flavus and A. parasiticus and the less common A. nomius. Aflatoxins B1, B2, G1, and G2 are the most important members, which can be categorized into two groups according to the chemical structure. As a result of the adverse health effects of mycotoxins, their levels have been strictly regulated especially in food and feed samples. Therefore, their accurate identification and determination remain a Herculean task due to their presence in complex food matrices. The great public concern and the strict legislation incited the development of reliable, specific, selective, and sensitive analytical methods for pesticide monitoring that are discussed in this book.
Author: Suna Sabuncuoglu
Publisher: BoD – Books on Demand
ISBN: 1789848741
Category : Technology & Engineering
Languages : en
Pages : 182
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Book Description
Foodborne illnesses are a global public health concern with implications worldwide. Mycotoxins are naturally occurring toxins produced by microfungi that are capable of causing disease and death in. living organisms. They are recognized as a major economic problem due to their impact on human health, animal productivity, and.domestic and.international.trade. This book provides updated information about foodborne mycotoxins, their toxicities, new determination methods, prevention strategies, and regulations around the world.
Author: Maciej Gajęcki
Publisher: MDPI
ISBN: 3039438476
Category : Science
Languages : en
Pages : 240
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Book Description
According to the presented studies, the health condition of animals in rearing and breeding should be regularly monitored. This would allow early detection of delicate deviations in the body of clinically healthy individuals. Unfortunately, regular monitoring of the health of animals in commercial production is not performed. It follows that this type of research should be an introduction to further, more inquisitive steps. This can form the basis for further courses of action, indicating which organs or tissues field doctors or researchers should be interested in and what to pay attention to in order to find the correct answer, concerning the situation in the animal body. In the future, we should determine biomedical markers for use in precision veterinary medicine. In human medicine, this has been practiced with great success. The problem, however, is that we are getting to know more and more substances produced by mold fungi. This causes a build-up of new interpretative problems, causing health conditions (diagnosis), as well as analytical problems. To fully understand the results we need new techniques to assess toxicological and chemical hazards, including those related to undesirable substances. We need a solid knowledge of the biological pathways underlying the toxicity and tolerance to interference factors toxicological processes. We hope that the presented study will allow for a better understanding of mycotoxicoses that bother us and our animals, which will allow for more effective preventive actions.
Author: Andreas Vogel
Publisher: John Wiley & Sons
ISBN: 3527343857
Category : Science
Languages : en
Pages : 430
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Book Description
This reference is a "must-read": It explains how an effective and economically viable enzymatic process in industry is developed and presents numerous successful examples which underline the efficiency of biocatalysis.
Author: John F. Leslie
Publisher: CABI
ISBN: 1845930827
Category : Science
Languages : en
Pages : 496
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Book Description
This book is an outcome of the MycoGlobe conference in Accra. Most of the chapters are based on invited oral presentations made at the conference. The chapters in this book touch on issues including health, trade, ecology, epidemiology, occurrence, detection, management, awareness and policy. This book serves as a source of information on the occurrence and impact of mycotoxins on everything from trade and health to agricultural production in addition to suggesting opportunities for their management in Africa and elsewhere by researchers, policy makers and development investors.
Author: Palle Krogh
Publisher: Butterworth-Heinemann
ISBN: 9780408705363
Category : Aflatoxins
Languages : en
Pages : 111
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Book Description
Author: Solomon Kadis
Publisher: Elsevier
ISBN: 1483259684
Category : Medical
Languages : en
Pages : 419
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Book Description
Microbial Toxins: A Comprehensive Treatise, Volume VIII, Fungal Toxins is devoted to topics related to algal and fungal toxins and includes critically reviewed articles from different experts in related fields. The text is divided into three sections. Section A covers coumarins — its isolation, identification, biological action, natural occurrence, and uses. Section B deals with the epizootiology, clinical characteristics, and pathological findings of Stachybotryotoxicosis. Section C talks about phytopathogenic and helminthosporium toxins, toxic peptides found in Amanita species as well as other mushroom toxins, compounds accumulating in plants after an infection, and ergot. The book is recommended for microbiologists and toxicologists, especially those who would like to know more about the toxins produced by algae and fungi and their effects.
