Alaskan-type complexes in British Columbia are potentially important hosts for economic concentrations of platinum-group elements (PGEs: Ruhlee, 1986; Evenchick er al.. IYXh) as well as other commodities such as chrome, nickel, cobalt, gold. jade and asbestos. To date, only the platinum-rich placers of the Tulameen complex have been exploited economically, yielding some 680 000 grams of impure ...

An AFLP approach was established to investigate genetic diversity within Oesophagostomum bifurcum (order Strongylida) from human and non-human primates. Evaluation of different combinations of restriction enzymes (n = 8) and primers (n = 29) demonstrated that the use of HindIII/BglII digested templates and primers with the selective nucleotides + AG/ +AC, respectively, was the most effective fo...

The helminths of 77 nyala, Tragelaphus angasii, from 4 game reserves in Natal, were collected, counted and identified. Ten nematode species and 4 nematode genera, a trematode species and paramphistomes, and 2 cestode genera were recovered from the antelope. Of these, a Cooperia rotundispiculum race, Gaigeria pachyscelis, a Gongylonema sp., Haemonchus vegliai, Impalaia tuberculata, an Oesophagos...

The objective of this study was to perform the comparative evaluation of efficiency of traditional McMaster chamber and the newly designed chamber for the enumeration of nematode eggs in different agriculture animals. Thirteen pig, two horse and two sheep farms were randomly selected, and 815 of pig faecal samples, 264 of horse and 264 of sheep faecal samples were examined. The positive samples...

The following account is based on a review lecture given recently at the British Society of Parasitology. We point out that nematode parasites cause very widespread infections of humans, particularly in economically underdeveloped areas where sanitation and hygiene are not adequate. In the absence of adequate clean water and effective vaccines, control and prophylaxis relies on anthelmintic dru...

Gastrointestinal nematode infections were evaluated in sheep raised in Botucatu, state of São Paulo, Brazil between April 2008 and March 2011. Every month, two tracer lambs grazing with a flock of sheep were exposed to natural infection with gastrointestinal nematodes for 28 consecutive days. At the end of this period, the lambs were sacrificed for worm counts. Haemonchus contortus presented 10...

This study aims to investigate the occurrence of gastrointestinal parasites in goats from the Western Santa Catarina, Brazil. Twenty four farms were analyzed in 17 different municipalities. Animals (n=217) from different production purposes (milk and meat) and age were randomly chosen. Fecal samples were collected from the rectum stored in plastic bottles and transported to the laboratory in po...

In this study, in vitro drug testing was combined with proteomic and bioinformatic analyses to identify and characterize proteins involved in larval development of Oesophagostomum dentatum, an economically important parasitic nematode. Four hydrolase inhibitors ο-phenanthroline, sodium fluoride, iodoacetamide and 1,2-epoxy-3-(pnitrophenoxy)-propane (EPNP) significantly inhibited (≥90%) larval d...

Garry W ills, w ho replaces Max Lerncr as ho lder o f the W elch Chair in American Studies at Notre Dame, brings w ith h im “ a keen and b rillian t in terpretation o f both the past and present," according to Profesor Thomas Stritch, acting chairman o f the American studies department. Wills, both scholar and newspa­ per colum nist fo r Universal Press Syndicate, “ reflects the concerns o f th...