While wind farms have no inherent storage to supply power in calm conditions, this paper demonstrates that large tidal turbine farms in channels have short-term energy storage. This storage lies in the inertia of the oscillating flow and can be used to exceed the previously published upper limit for power production by currents in a tidal channel, while simultaneously maintaining stronger curre...

Giardia duodenalis and Cryptosporidium spp. are gastro-intestinal protozoa known to infect small ruminants. Both protozoa are also considered as a potential public health concern. The objective of this study was to determine their prevalence in lambs and goat kids kept under common Mediterranean dairy husbandry systems and to identify the species and genotypes infecting these small ruminants. I...

Organic poultry is one of the fastest growing segments of the U.S. organic foods market, and many conventional poultry farms have converted to organic methods to capitalize on this demand. Among other requirements, organic growers are not allowed to use any antibiotics on chickens from hatching to slaughter. A new study indicates organic practices may help reduce the prevalence of antibiotic-re...

Escherichia coli O157 infections are the cause of sporadic or epidemic cases of often bloody diarrhea that can progress to hemolytic uremic syndrome (HUS), a systematic microvascular syndrome with predominantly renal and neurological complications. HUS is responsible for most deaths associated with E. coli O157 infection. From March 2002 to February 2004, approximately 13,000 fecal pat samples ...

The effects of cinnamaldehyde (CINN) on in vitro parameters of immunity and in vivo protection against avian coccidiosis were evaluated. In vitro stimulation of chicken spleen lymphocytes with CINN (25-400 ng/ml) induced greater cell proliferation compared with the medium control (P < 0·001). CINN activated cultured macrophages to produce higher levels of NO at 1·2-5·0 μg/ml (P < 0·001), inhibi...

OBJECTIVE We evaluated the epidemiology of antimicrobial resistance in enterococci from animal farms and the potential relation of resistance to antimicrobial use. METHODS Enterococci from faecal samples from 18 beef cattle, 18 dairy cattle, 18 swine, 13 chicken, and eight turkey farms were prospectively evaluated over a 6 year period from 1998 to 2003. RESULTS We evaluated 1256 isolates of...

Organic poultry is one of the fastest growing segments of the U.S. organic foods market, and many conventional poultry farms have converted to organic methods to capitalize on this demand. Among other requirements, organic growers are not allowed to use any antibiotics on chickens from hatching to slaughter. A new study indicates organic practices may help reduce the prevalence of antibiotic-re...

We implemented a spatial model for analysing PM 10 maxima across the Mexico City metropolitan area during the period 1995-2016. We assumed that these maxima follow a non-identical generalized extreme value (GEV) distribution and modeled the trend by introducing multivariate smoothing spline functions into the probability GEV distribution. A flexible, three-stage hierarchical Bayesian approach w...

the bias against mangrove areas in siting fish farms prompted a comparison of the cost structure and yield performance in upland and mangrove locations. tools utilized included descriptive statistics, budgetary and cash flow analyses and profitability ratios. empirical results revealed that substantial revenue could be realized from both farms. while the upland farms yielded average gross reven...