Diseases, Conditions, Syndromes

Federal government to step up bird flu monitoring this fall

The federal government announced plans Thursday to step up monitoring wild birds for avian influenza this fall to provide an early warning of any resurgence of a disease that devastated poultry farms in the Upper Midwest.

Diseases, Conditions, Syndromes

Minnesota reports 2 more bird flu cases (Update)

Keeping wild waterfowl from spreading bird flu to Minnesota turkey farms won't be easy, the state veterinarian said as officials announced the sixth and seventh cases of the disease in the country's top turkey-producing state.

Diseases, Conditions, Syndromes

What is campylobacter, and what are we doing about it?

Campylobacters are spiral-shaped bacteria that often colonize the intestines of animals grown for food (as well as other animals)—and they can cause acute diarrheal disease (called campylobacteriosis) in humans.

Diseases, Conditions, Syndromes

Avian flu found in SE Wash. backyard flock

Avian influenza has been found in a backyard poultry flock in southeast Washington after previously showing up in wild birds in the northwest part of the state, but there is no immediate public health concern, state officials ...

Diseases, Conditions, Syndromes

Research could contain infectious disease outbreaks

Researchers at the University of East Anglia (UEA) have identified a rapid response which could help halt infectious diseases such as bird flu, swine flu and SARS before they take hold.

Diseases, Conditions, Syndromes

Bird flu 101: How bad is the new H7N9 strain?

A bird flu virus never before found in humans has grabbed world attention this week after it infected and killed people in China. Scientists have been scrambling to understand how it happened and, more importantly, whether ...

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Herd

Herd refers to a social grouping of certain animals of the same species, either wild or domestic, and also to the form of collective animal behavior associated with this (referred to as herding) or as a verb, to herd, to its control by another species such as humans or dogs.

The term herd is generally applied to mammals, and most particularly to the grazing ungulates that classically display this behaviour. Different terms are used for similar groupings in other species; in the case of birds, for example, the word is flocking, but flock may also be used, in certain instances, for mammals, particularly sheep or goats. A group of quail is often referred to as a covey. Large groups of carnivores are usually called packs, and in nature a herd is classically subject to predation from pack hunters.

Special collective nouns may be used for particular taxa (for example a flock of geese, if not in flight, is sometimes called a gaggle) but for theoretical discussions of behavioural ecology, the generic term herd can be used for all such kinds of assemblage.[citation needed]

The word herd, as a noun, can also refer to one who controls, possesses and has care for such groups of animals when they are domesticated. Examples of herds in this sense include shepherds (who tend to sheep), goatherds (who tend to goats), cowherds (who tend cattle), and others.

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