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https://www.readbyqxmd.com/read/28643255/genome-editing-of-pig
#1
Masahito Watanabe, Hiroshi Nagashima
Pigs are important livestock for food and have been used in various biomedical studies, particularly translational research, as experimental animals because of their anatomical and physiological similarity to humans. The recent development of genome editing techniques, such as ZFN, TALEN, and CRISPR/Cas9, has rapidly expanded the use of genome editing tools in a variety of animals, resulting in the relatively easy and efficient generation of gene knock-out pigs. In the past few years, there has been a sustained increase in reports describing the development of genetically modified pigs...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28639244/veterinary-public-health-in-italy-from-healthy-animals-to-healthy-food-contribution-to-improve-economy-in-developing-countries
#2
Margherita Cacaci, Rossella Colomba Lelli
The role of the veterinarian as a public health officer is intrinsic to the history and the culture of veterinary organization in Italy. The Veterinary service being part of the Health administration since the birth of the Italian State in the XIX Century. In the second half of the last century the birth of the Italian National Health Service confirmed that the function of the Italian veterinary service was to analyze and reduce the risks for the human population connected to the relationship man-animal-environment, animal health, food safety and security...
June 22, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28638874/the-use-of-plants-to-protect-plants-and-food-against-fungal-pathogens-a-review
#3
D S S Shuping, J N Eloff
BACKGROUND: Plant fungal pathogens play a crucial role in the profitability, quality and quantity of plant production. These phytopathogens are persistent in avoiding plant defences causing diseases and quality losses around the world that amount to billions of US dollars annually. To control the scourge of plant fungal diseases, farmers have used fungicides to manage the damage of plant pathogenic fungi. Drawbacks such as development of resistance and environmental toxicity associated with these chemicals have motivated researchers and cultivators to investigate other possibilities...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28632789/movement-and-contact-patterns-of-long-distance-free-grazing-ducks-and-avian-influenza-persistence-in-vietnam
#4
Anne Meyer, Tung Xuan Dinh, Thu Van Nhu, Long Thanh Pham, Scott Newman, Thuy Thi Thanh Nguyen, Dirk Udo Pfeiffer, Timothée Vergne
Presence of ducks, and in particular of free-grazing ducks, has consistently been shown to be one of the most important risk factors for highly pathogenic avian influenza outbreaks which has compromised poultry production in South-East Asia since the early 2000s and continues to threaten public health, farmers' livelihood and food security. Although free-grazing duck production has been practised for decades in South-East Asia, there are few published studies describing this production system, which is suspected to play an important role in the maintenance of avian influenza viruses...
2017: PloS One
https://www.readbyqxmd.com/read/28600834/engineering-crop-nutrient-efficiency-for-sustainable-agriculture
#5
REVIEW
Liyu Chen, Hong Liao
Increasing crop yields can provide food, animal feed, bioenergy feedstocks, and biomaterials to meet increasing global demand; however, the methods used to increase yield can negatively affect sustainability. For example, application of excess fertilizer can generate and maintain high yields but also increases input costs and contributes to environmental damage through eutrophication, soil acidification, and air pollution. Improving crop nutrient efficiency can improve agricultural sustainability by increasing yield while decreasing input costs and harmful environmental effects...
June 10, 2017: Journal of Integrative Plant Biology
https://www.readbyqxmd.com/read/28587152/long-term-physiologic-and-behavioural-effects-of-housing-density-and-environmental-resource-provision-for-adult-male-and-female-sprague-dawley-rats
#6
Christopher J Pinelli, Francesco Leri, Patricia V Turner
There is considerable interest in refining laboratory rodent environments to promote animal well-being, as well as research reproducibility. Few studies have evaluated the long term impact of enhancing rodent environments with resources and additional cagemates. To that end, male and female Sprague Dawley (SD) rats were housed singly (n = 8/sex), in pairs (n = 16/sex), or in groups of four (n = 16/sex) for five months. Single and paired rats were housed in standard cages with a nylon chew toy, while group-housed rats were kept in double-wide cages with two PVC shelters and a nylon chew toy and were provided with food enrichment three times weekly...
June 1, 2017: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/28586679/the-deep-sea-under-global-change
#7
Roberto Danovaro, Cinzia Corinaldesi, Antonio Dell'Anno, Paul V R Snelgrove
The deep ocean encompasses 95% of the oceans' volume and is the largest and least explored biome of Earth's Biosphere. New life forms are continuously being discovered. The physiological mechanisms allowing organisms to adapt to extreme conditions of the deep ocean (high pressures, from very low to very high temperatures, food shortage, lack of solar light) are still largely unknown. Some deep-sea species have very long life-spans, whereas others can tolerate toxic compounds at high concentrations; these characteristics offer an opportunity to explore the specialized biochemical and physiological mechanisms associated with these responses...
June 5, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28579671/losses-inefficiencies-and-waste-in-the-global-food-system
#8
Peter Alexander, Calum Brown, Almut Arneth, John Finnigan, Dominic Moran, Mark D A Rounsevell
Losses at every stage in the food system influence the extent to which nutritional requirements of a growing global population can be sustainably met. Inefficiencies and losses in agricultural production and consumer behaviour all play a role. This paper aims to understand better the magnitude of different losses and to provide insights into how these influence overall food system efficiency. We take a systems view from primary production of agricultural biomass through to human food requirements and consumption...
May 2017: Agricultural Systems
https://www.readbyqxmd.com/read/28567032/recurring-necrotic-enteritis-outbreaks-in-commercial-broiler-chicken-flocks-strongly-influence-toxin-gene-carriage-and-species-richness-in-the-resident-clostridium-perfringens-population
#9
Marie-Lou Gaucher, Gabriel G Perron, Julie Arsenault, Ann Letellier, Martine Boulianne, Sylvain Quessy
Extensive use of antibiotic growth promoters (AGPs) in food animals has been questioned due to the globally increasing problem of antibiotic resistance. For the poultry industry, digestive health management following AGP withdrawal in Europe has been a challenge, especially the control of necrotic enteritis. Much research work has focused on gut health in commercial broiler chicken husbandry. Understanding the behavior of Clostridium perfringens in its ecological niche, the poultry barn, is key to a sustainable and cost-effective production in the absence of AGPs...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28558861/animal-board-invited-review-comparing-conventional-and-organic-livestock-production-systems-on-different-aspects-of-sustainability
#10
C P A van Wagenberg, Y de Haas, H Hogeveen, M M van Krimpen, M P M Meuwissen, C E van Middelaar, T B Rodenburg
To sustainably contribute to food security of a growing and richer world population, livestock production systems are challenged to increase production levels while reducing environmental impact, being economically viable, and socially responsible. Knowledge about the sustainability performance of current livestock production systems may help to formulate strategies for future systems. Our study provides a systematic overview of differences between conventional and organic livestock production systems on a broad range of sustainability aspects and animal species available in peer-reviewed literature...
May 31, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28546842/opportunities-and-challenges-for-the-sustainable-production-of-structurally-complex-diterpenoids-in-recombinant-microbial-systems
#11
REVIEW
Katarina Kemper, Max Hirte, Markus Reinbold, Monika Fuchs, Thomas Brück
With over 50.000 identified compounds terpenes are the largest and most structurally diverse group of natural products. They are ubiquitous in bacteria, plants, animals and fungi, conducting several biological functions such as cell wall components or defense mechanisms. Industrial applications entail among others pharmaceuticals, food additives, vitamins, fragrances, fuels and fuel additives. Central building blocks of all terpenes are the isoprenoid compounds isopentenyl diphosphate and dimethylallyl diphosphate...
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28534616/microbes-and-the-next-nitrogen-revolution
#12
Ilje Pikaar, Silvio Matassa, Korneel Rabaey, Benjamin Leon Bodirsky, Alexander Popp, Mario Herrero, Willy Verstraete
The Haber Bosch process is among the greatest inventions of the 20th century. It provided agriculture with reactive nitrogen and ultimately mankind with nourishment for a population of 7 billion people. However, the present agricultural practice of growing crops for animal production and human food constitutes a major threat to the sustainability of the planet in terms of reactive nitrogen pollution. In view of the shortage of directly feasible and cost-effective measures to avoid these planetary nitrogen burdens and the necessity to remediate this problem, we foresee the absolute need for and expect a revolution in the use of microbes as a source of protein...
June 7, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28525653/predicted-philogeny-secondary-conformational-structure-and-epitope-antigenicity-of-immunological-sequences-in-poultry
#13
L J Lara, A P Peconick, É J Fassani, A M P Júnior, P R B Chalfun, D L Raymundo, T A Barçante, J M de P Barçante
Poultry production is faced with different types of stresses that are responsible for issues of animal welfare as well as for economic losses. Moreover, the immunity decreases when animals are stressed. In silico analyses are important in reducing the cost and in increasing the accuracy of scientific results. A bioinformatics tool was used to perform ontology studies on 15 different immunological sequences of poultry. The mRNA structures and sequences with maximum antigenic residues were also predicted. No homology was found between the sequences of poultry and mammals...
May 18, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28482305/virtual-water-trade-of-agri-food-products-evidence-from-italian-chinese-relations
#14
Lucrezia Lamastra, Pier Paolo Miglietta, Pierluigi Toma, Federica De Leo, Stefania Massari
At global scale, the majority of world water withdrawal is for the agricultural sector, with differences among countries depending on the relevance of agri-food sector in the economy. Virtual water and water footprint could be useful to express the impact on the water resources of each production process and good with the objective to lead to a sustainable use of water at a global level. International trade could be connected to the virtual water flows, in fact through commodities importation, water poor countries can save their own water resources...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28480387/politics-of-biopiracy-an-adventure-into-hoodia-xhoba-patenting-in-southern-africa
#15
Lere Amusan
BACKGROUND: Africa is being described as the wretched of the earth, despite this, the continent is endowed with natural resources, dynamic ecosystem, and different species of plants and animals, and species derivatives. This paper area of departure is to focus on Hoodia, a plant that is being a source of food, medicine and water for the San and Khoe indigenous peoples before the advent of Europeans into southern Africa. South African Council for Scientific and Industrial Research (CSIR) dubiously patented Hoodia without observing the basic indices of geographical indications (GIs), indigenous knowledge (IK), novelty, access sharing benefit (ASB), prior informed consent (PIC) and sustainability of ecosystem before the rights was sold to Phytopharm pharmaceutical company...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28479335/allergen-specific-igg-antibodies-signaling-via-fc%C3%AE-riib-promote-food-tolerance
#16
Oliver T Burton, Jaciel M Tamayo, Amanda J Stranks, Kyle J Koleoglou, Hans C Oettgen
BACKGROUND: Food-allergic subjects produce high-titer IgE antibodies that bind to mast cells via FcεRI and trigger immediate hypersensitivity reactions upon antigen encounter. Food-specific IgG antibodies arise in the setting of naturally resolving food allergy and accompany the acquisition of food allergen unresponsiveness in oral immunotherapy (OIT). OBJECTIVE: In this study, we sought to delineate the effects of IgG and its inhibitory Fc receptor, FcγRIIb, on both de novo allergen sensitization in naïve animals and on established immune responses in the setting of pre-existing food allergy...
May 4, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28473588/branch-specific-plasticity-of-a-bifunctional-dopamine-circuit-encodes-protein-hunger
#17
Qili Liu, Masashi Tabuchi, Sha Liu, Lay Kodama, Wakako Horiuchi, Jay Daniels, Lucinda Chiu, Daniel Baldoni, Mark N Wu
Free-living animals must not only regulate the amount of food they consume but also choose which types of food to ingest. The shifting of food preference driven by nutrient-specific hunger can be essential for survival, yet little is known about the underlying mechanisms. We identified a dopamine circuit that encodes protein-specific hunger in Drosophila The activity of these neurons increased after substantial protein deprivation. Activation of this circuit simultaneously promoted protein intake and restricted sugar consumption, via signaling to distinct downstream neurons...
May 5, 2017: Science
https://www.readbyqxmd.com/read/28461435/towards-environmentally-sustainable-human-behaviour-targeting-non-conscious-and-conscious-processes-for-effective-and-acceptable-policies
#18
REVIEW
Theresa M Marteau
Meeting climate change targets to limit global warming to 2°C requires rapid and large reductions in demand for products that most contribute to greenhouse gas (GHG) emissions. These include production of bulk materials (e.g. steel and cement), energy supply (e.g. fossil fuels) and animal source foods (particularly ruminants and their products). Effective strategies to meet these targets require transformative changes in supply as well as demand, involving changes in economic, political and legal systems at local, national and international levels, building on evidence from many disciplines...
June 13, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28460836/the-role-of-meat-in-strategies-to-achieve-a-sustainable-diet-lower-in-greenhouse-gas-emissions-a-review
#19
REVIEW
John J Hyland, Maeve Henchion, Mary McCarthy, Sinéad N McCarthy
Food consumption is responsible for a considerable proportion of greenhouse gas emissions (GHGE). Hence, individual food choices have the potential to substantially influence both public health and the environment. Meat and animal products are relatively high in GHGE and therefore targeted in efforts to reduce dietary emissions. This review first highlights the complexities regarding sustainability in terms of meat consumption and thereafter discusses possible strategies that could be implemented to mitigate its climatic impact...
April 21, 2017: Meat Science
https://www.readbyqxmd.com/read/28453561/a-webgis-platform-for-the-monitoring-of-farm-animal-genetic-resources-genmon
#20
Solange Duruz, Christine Flury, Giona Matasci, Florent Joerin, Ivo Widmer, Stéphane Joost
BACKGROUND: In 2007, the Food and Agriculture Organization of the United Nations (FAO) initiated the Global plan of action for Farm Animal Genetic Resources (FAnGR). The main goal of this plan is to reduce further loss of genetic diversity in farm animals, so as to protect and promote the diversity of farm animal resources. An important step to reach this goal is to monitor and prioritize endangered breeds in the context of conservation programs. METHODOLOGY/WEB PORTAL IMPLEMENTATION: The GENMON WebGIS platform is able to monitor FAnGR and to evaluate the degree of endangerment of livestock breeds...
2017: PloS One
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