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When it comes to predators, the biggest mouths may not take the biggest bite. According to a new study from bioscientists at Rice University, some predators have their greatest ecological impacts befo...
Resistance to erythromycin of Staphylococcus spp. isolates from the food chain
food safety inducible MLSB-resistance
2015/3/17
The aim of this study was to determine both the occurrence and the genetic basis of resistance to
erythromycin among 1 235 Staphylococcus spp. isolates obtained between 2000 and 2006 from (a) raw mi...
Comparison of methods for the determination of antimicrobial resistance in Campylobacter spp. human and the food chain isolates
dilution methods disk diffusion method resistance interpretation clindamycin
2015/3/13
With a microdilution method, using the commercial diagnostic test Sensititre Susceptibility Plates for Campylobacter MIC (Trek Diagnostic Systems, Cleveland, OH, USA), disk diffusion and agar dilution...
The roles of productivity and ecosystem size in determining food chain length in tropical terrestrial ecosystems
ecosystem size food chain length food web structure islands
2015/11/13
Many different drivers, including productivity, ecosystem size, and disturbance,
have been considered to explain natural variation in the length of food chains. Much remains
unknown about the role o...
Contamination of Clays with Dioxins and Possible Consequences for the Food Chain and Bioaccumulation in Humans
Contamination Clays Dioxins Possible Consequences Food Chain Bioaccumulation Humans
2012/3/14
Contamination of Clays with Dioxins and Possible Consequences for the Food Chain and Bioaccumulation in Humans.
Outdoor environment as a source of Listeria monocytogenes in food chain
irulence listeria antimicrobial resistance restriction fragment length polymorphism pulsed-field gel electrophoresis (PFGE)
2014/2/25
We monitored the presence of Listeria monocytogenes in environmental sources and to evaluate the phenotypic and molecular characteristics of the isolates recovered. L. monocytogenes was isolated in 12...
The chaos and control of food chain model using nonlinear feedback
Food chain Limit cycles Chaotic behavior
2010/9/10
This paper studies the chaos and control of a continuous time food chain model which contains one prey, one predator and super-predator. We show that this system can be asymptotically stabilized using...
Food Safety Objective: An Integral Part of Food Chain Modelling
Food safety objective food chain modeling
2009/1/15
The supply and maintenance of safe and wholesome foods to a population is a complex system involving multiple stakeholders. An organizational scheme for representing this complexity is a food chain. A...
Chemical additives (fertilizers and plant protection preparations) are largely used for improving the production yield of food produce. Their application often causes the contamination of raw material...
Existence and Global Attractivity of Periodic Solutions in $n$-Species Food-Chain System with Time Delays
Time delay Periodic solution Global attractivity
2008/7/1
A delayed periodic n-species simple food-chain system with Holling type-II functional response is investigated. By means of Gaines and Mawhin's continuation theorem of coincidence degree theory and by...
The price transmission in pork meat agri-food chain
price transmission pork meat agri-food chain market structure farmer processing industry
2014/3/10
The paper deals with the analysis of price transmission in pork meat agri-food chain. The analysis is aimed at the determination of the type of market structure in the chain based on the derived theor...
Periodic Solution of a Nonautonomous Diffusive Food Chain System of Three Species with Time Delays
diffusive food chain system positive periodic solution
2007/12/11
By using the continuation theorem of coincidence degree theory, the existence of a positive periodic solution for a nonautonomous diffusive food chain system of three species. { dx_1(t)/dt = x_1(t)[r_...
Selenium in Food Chain and Animal Nutrition: Lessons from Nature -Review-
Selenium Selenomethionine Se-yeast Nutrition Poultry Farm Animals
2016/4/26
Selenium is considered to be one of the most controversial trace elements. On the one hand, it is toxic at high doses and there is a great body of information related to environmental issues of Se con...
Confirmation of a new food chain utilizing geothermal energy: Unusual fatty acids of a deep-sea bivalve, Calyptogena phaseoliformis
chain utilizing geothermal energy a deep-sea bivalve
2014/4/22
Neutral and polar lipids of the cold-seep clam Calyptogena phaseoliformis were determined to assess the trophic
relationship at hydrothermal vents. The clam obtained many of its lipids from the chemo...
Program to replenish eelgrass in New England invigorates food chain and educates students
marine ecosystems
2007/3/13
March 12, 2007，A project led by MIT Sea Grant to bring a special plant back to Boston-area harbors is also giving students in Massachusetts and Rhode Island a hands-on education in the importance of h...