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Example: The tiger is four-footed. A predicate can also have its own predicate. In the example, the predicate "four-footed" can, itself, have the further predicate "animal." One of these predicates is immediately and directly connected to the subject or thing. The other predicate is mediate and indirectly connected to the subject:
Animal testing, also known as animal experimentation, animal research, and in vivo testing, is the use of non-human animals, such as model organisms, in experiments that seek to control the variables that affect the behavior or biological system under study. This approach can be contrasted with field studies in which animals are observed in ...
Transgenic animal production consists of injecting each construct into 300–350 eggs, typically representing three days' work. Twenty to fifty mice will normally be born from this number of injected eggs. These animals are screened for the presence of the transgene by a polymerase chain reaction genotyping assay. The number of transgenic ...
Animal testing regulations are guidelines that permit and control the use of non-human animals for scientific experimentation.They vary greatly around the world, but most governments aim to control the number of times individual animals may be used; the overall numbers used; and the degree of pain that may be inflicted without anesthetic.
An Essay on Humanity to Animals is a 1798 book by English theologian Thomas Young. It advocates for the ethical treatment and welfare of animals. It argues for recognizing animals' natural rights and condemns the various forms of cruelty inflicted upon them in human activities. Drawing on moral, scriptural, and philosophical reasoning, Young ...
One of Pavlov’s dogs with a saliva-catch container and tube surgically implanted in its muzzle, Pavlov Museum, 2005. The history of animal testing goes back to the writings of the Ancient Greeks in the 4th and 3rd centuries BCE, with Aristotle (384–322 BCE) and Erasistratus (304–258 BCE) one of the first documented to perform experiments on nonhuman animals. [1]
The European Convention for the Protection of Vertebrate Animals used for Experimental and other Scientific Purposes, sometimes simply referred to as the animal experimentation convention or laboratory animals convention, [1] is an animal welfare treaty of the Council of Europe regarding animal testing, adopted on 18 March 1986 in Strasbourg, and effective since 1 January 1991.
In 1954, the Universities Federation for Animal Welfare (UFAW) decided to sponsor systematic research on the progress of humane techniques in the laboratory. [2] In October of that year, William Russell, described as a brilliant young zoologist who happened to be also a psychologist and a classical scholar, and Rex Burch, a microbiologist, were appointed to inaugurate a systematic study of ...
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