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Hace 2 días · Epizootics are outbreaks (epidemics) of disease among non-human animals. During the 20th century significant epizootics of viral diseases in animals, particularly livestock, occurred worldwide. The many diseases caused by viruses included foot-and-mouth disease, rinderpest of cattle, avian and swine influenza, swine fever and bluetongue of
Hace 2 días · Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer. Approximately 251.9 million years ago, the Permian–Triassic (P–T, P–Tr) extinction event (PTME; also known as the Late Permian extinction event, the Latest Permian extinction event, the End-Permian extinction event, and colloquially as the Great Dying ...
24 de abr. de 2021 · The prevalence of bacterial digestive diseases in plateau animals has caused considerable losses to the Tibetan livestock ... it is unclear whether T. gondii can infect chicken erythrocytes due to the nucl... Authors: Chenghuan Li, Xiaohan Zhang, Xiaoyu Sang, Yanhong He, Saeed EI-Ashram , Yingying Ding ... extinction or outbreak.
Hace 4 días · Air pollution is contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of the atmosphere. Household combustion devices, motor vehicles, industrial facilities and forest fires are common sources of air pollution. Pollutants of major public health concern include ...
Hace 3 días · Map of Europe. This is a list of European species extinct in the Holocene that covers extinctions from the Holocene epoch, a geologic epoch that began about 11,650 years before present (about 9700 BCE) and continues to the present day.. This list includes the European continent and its surrounding islands. All large islands in the Mediterranean Sea are included except for Cyprus, which is in ...
Hace 2 días · The Triassic–Jurassic (Tr-J) extinction event (TJME), often called the end-Triassic extinction, was a Mesozoic extinction event that marks the boundary between the Triassic and Jurassic periods, and is one of the top five major extinction events of the Phanerozoic eon, profoundly affecting life on land and in the oceans. In the seas, the entire class of conodonts and 23–34% of marine ...
Hace 1 día · Deforestation also leads to extinction of animals and plants, ... Due to deforestation, the removal of trees causes sloped lands to be more susceptible to landslides. ... and livestock agriculture are among the main causes that increase the risk of zoonotic diseases, that is diseases that pass from animals to humans.
