First imported as pets, the feral snakes vie with native animals for food and have devastated mammal populations.
They believe that the use of animals in experiments and the slaughtering of animals as food for humans are all right as long as these activities are conducted in a humane way.
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Not surprisingly, Meng and scientists like him advocate more prudent use of antibiotics in food animals, and turkey producers assert that their use is appropriate.
Mr. WRANGHAM: Well, I mean, the odd thing is that for years, we've assumed that because humans are animals, and animals are designed to eat raw food, humans are designed to eat raw food, too.
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.
Chickens, hogs, cattle are raised as food animals and given drugs that the FDA approves of for human consumption, horses are raised as companion animals and medicated as pets such as dogs and cats.
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And so they lived generation to generation, in sparse tribes probably numbering 15 to 25 people, bending with the climate and doggedly following the herds of the woolly animals they relied on for food and clothing.
They are faced with increasingly difficult physical circumstances: the food web is thinning out, many animals and plants have gone missing, their main food source a type of primitive grass is threatened, and they have to be on the lookout constantly for hostile animals, other less-evolved dinosaurs with more violent survival strategies.
The family lived in a big city, had no animals, ate supermarket food and had jobs that offered no contact with the virus.
Sounds minor, but weeds like buffel grass and milk thistle (which got on to the island decades ago) slowly crowd out native plants that animals rely on for cover and food.
For example, Greenpeace has led the discussion about what sustainability means in consumer electronics, PETA is driving the definition of human treatment of animals in the food industry and so on.
Hawks, foxes and other animals need them as food, says Lindsey Sterling Crank, executive director of the Humane Society of the United States' Prairie Dog Coalition.
The slopes are craggy, storm-blasted and steep, and food is pretty much limited to potatoes and whatever animals you can chase up a 50-grade incline without falling down the adjacent precipice.
That means 9 million potential untraceable and unmonitored animals that could enter the food supply chain either here or abroad.
The result, after enough discharges, is that a reef can no longer provide food and shelter for animals and plants, and may well lose its ability to protect the coastline.
What my colleagues and I are discovering from our own work in Alaskan tundra is that this shift in vegetation cover has implications -- some good, some bad -- for the animals that depend on it for food and shelter.
Under a program sponsored by FEMA, the Federal Emergency Management Agency, veterinary teams from around the country tended to animals' wounds, gave them food and water, vaccinated them against rabies and tried to reunite them with their owners or send them off to shelters for possible adoption.
Three pairs of chimps played this game, and the results revealed that the animals had a tendency to offer a fair and equal share of the food reward.
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Although the crocodiles spend most of their life in salt water, they are not considered marine animals as they rely on land for food and water.
It, too, has fundamentals going for it: the same growing middle classes that need to build homes demand more protein in their diets, so requiring more food for both people and animals.
Sure, at one time in history (and today in subsistence cultures) nearly 100% of employment was anchored in fuel jobs: food for humans and their animals, and fuel for heat and cooking.
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In Bangladesh, villagers build raised earth mounds the size of football pitches, on which trees are planted and food and water is stored: in an emergency, they and their animals can retreat to this man-made higher ground.
Today , 80 percent of antibiotics used in the U.S. are given to animals raised for food, but which animals are given the drugs, how much they are administered and what types of antibiotics are used are not disclosed by farmers.
And from that and from other spills we know, it can accumulate in animals and plants, work its way up to the food chain.
Green and Hollister got emergency clearance from their hospital and the Food and Drug Administration to try the experimental treatment -- which had been used only on animals -- on Kaiba.
Many of the animals killed for food in these countries were once racehorses, and the use of bute at racetracks across the US is so widespread that one scientist speaking to the New York Times called these horses "walking pharmacies".
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American horses are often treated with drugs and medications that are not approved for use in animals intended for food.
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.
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The charity wants the government to change the law to give owners a legal obligation to provide animals with basic care, such as food, water, shelter and veterinary care.
If ingested by animals, they accumulate in body tissues, and are passed on up the food chain.
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