The Government has offered Australia's three mobile operators, and vividwireless, renewal of their existing spectrum allocated on 15 year licences in the late 90s and early 2000s at set prices, while the Government expects to rake in $3 billion.
Other possibilities, though discounted by the researchers, could be temperatures (it might keep them cooler in hot temperatures and warmer in cold temperatures), winds (cattle tend to face the wind), fences (positioning of borders, etc.), and other such factors.
The author’s affiliations are with the Department of General Zoology, University of Duisburg-Essen, Essen, Germany; Institute of Vertebrate Biology, Academy of Sciences of the Czech Republic, Czech Republic; Department of Forest Protection and Wildlife Management, Czech University of Life Sciences, Czech Republic; and Sumava National Park Administration, Czech Republic.
The researchers conclude, “Our findings open horizons for the study of magnetoreception in general and are of potential significance for applied ethology (husbandry, animal welfare). They challenge neuroscientists and biophysics to explain the proximate mechanisms.”
Humans may also have such directional abilities. Studies with humans camping, for instance, could find out if they prefer to sleep in one particular direction at night--say, northward.
For now, the researchers are studying sheep, goats, horses, wild boar, and other deer species with respect to the affect that the magnetic field of the Earth might have on their positions.
David Bass
| ComOps, a leading Australian provider of business software products and services, has won a competitive tender to deploy its Salvus safety, r…
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