The next day the animals' fear of the tone had greatly diminished, indicating that the drug had prevented the old memory from being stored again.
Diseases emerge in Africa and Asia, where people mingle with animals day in, day out.
She said people should be held responsible for the day-to-day experiences of their animals.
The Anglesey plant is one of the biggest in Britain, processing around 4, 000 animals a day and supplying supermarket chains.
The Gonzales staging area at the Lamar-Dixon Expo Center, about 45 miles northwest of New Orleans, is housing about 2, 000 animals a day.
Search and rescue operations are continuing for livestock missing in remote areas, and a military helicopter delivered emergency food supplies to stranded animals for a second day.
BBC: Deep snow still lying in some areas of Northern Ireland
Another witness, Kathleen Brazier, told the hearing she had been involved with horses since childhood and, earlier in the day, had seen one of the animals in a pen behaving in a "skittish" manner before it leapt over the barrier.
The ASPCA is receiving offers to adopt the animals from other New York residents every day.
The Pope also said the notion of animals in the stable were latter-day additions to the nativity scene.
This suggests that all present-day bison are descended from a very small group of animals.
Every day in the rainy season Dr Formenty sets traps for animals suspected of hosting the virus.
It's now estimated that about 100 mahouts, or handlers, and their elephants, can be found in Bangkok each day, begging for money and food, and exposing the animals to grave danger.
Similar inventiveness distinguishes the "racial harmony" panels: "The Underground Railroad" (white men helping runaway slaves to escape), "Opening Day at Talladega College" (newly freed slaves bartering animals and produce for tuition) and "The Building of Savery Library" (blacks and whites laboring together).
He took the animals back to the shed, but by the next day realised that the mother did not have any milk following her two-week ordeal under the snow, which she had only survived by eating the bush and using the snow for water.
While many owners gave their pets to zoos or put them down rumours started that some people released their animals into the wild where their offspring still roam to this day.
Wildlife experts are to discuss whether large animals that were native to Scotland in the distant past could one day be reintroduced.
Quite by chance, Berryman's cartoon was noticed by a Russian Jewish immigrant to America named Morris Michtom, who by day sold candy in his store in Brooklyn, while by night making stuffed animals with his wife Rose.
It was in such a community near me, just over the border in New Hampshire, that our local paper reported the other day that residents with dogs would have to submit to DNA testing of their animals as a condition of renting.
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There were some 883 stewards and 328 judges, 7, 714 animals, while 158, 200 gallons of water were used on the opening day alone.
BBC: NEWS | UK | Wales | Mid | Royal Welsh - live and undercover
And the Commons day ends with an adjournment debate, led by the Conservative David Amess, about experimentation on animals.
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Men are closely related to animals, especially mammals, in the Torah: Both are created on the sixth day, and both are created from the earth (unlike other living creatures like birds and fish which are created without reference to preexisting material).
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"Every day we learn new things because, as you can imagine, there is a huge variety of animals, " he said.
CNN: All creatures great and small at Frankfurt's Animal Lounge
Her bed is under a mountain of stuffed animals, which all turn out to be frogs: bright green, light green, Day-Glo green, some with stuffed flies attached to their tongues.
Not only are there strict rules against any harsh treatment of the animals, but also elephants may not play more than two 20-minute games a day and each animal is rewarded with sugar cane or rice balls full of molasses and rock salt after each match.
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