| a survey concerning cattle tick control in queensland. 2. managerial aspects which indirectly affect tick control. | this paper reports those findings concerning property management from the 1977-78 survey of tick control in queensland, which could effect efficient tick control and also presents a profile of the cattle industry in the tick infested areas at the time of the survey. the average property size was 400 hectares and the average number of cattle on the properties was 726.4. larger properties tended to have crossbred zebu cattle. the average number of paddocks per property was 7.2. the most popular st ... | 1980 | 7436923 |
| evaluation of tickgard(plus), a novel vaccine against boophilus microplus, in lactating holstein-friesian cows. | the effects of vaccination with the bm 86 vaccine tickgard(plus) against infestation with cattle tick (boophilus microplus) and of holding cattle on a feedpad until 09:00 hours after the morning milking was tested on 40 mid lactation holstein cattle using a factorial design. vaccination resulted in a 56% reduction in tick numbers in the field over one generation, and a 72% reduction in laboratory measures of the reproductive efficiency of ticks. the liveweight gain of vaccinated cattle over 27 w ... | 2000 | 10714465 |
| the vulnerability of animal and human health to parasites under global change. | the term 'global change' is used to encompass all of the significant drivers of environmental change as experienced by hosts, parasites and parasite managers. the term includes changes in climate and climate variability, atmospheric composition, land use and land cover including deforestation and urbanisation, bio-geochemistry, globalisation of trade and transport, the spread of alien species, human health and technology. a subset of land use issues relates to the management of protective techno ... | 2001 | 11406142 |