classification of agricultural animals
DESCRIPTION
Classification of Agricultural Animals. Organisms. Identified, grouped, and classified More effectively study and communicate about them Plants and animals are classified or grouped together by characteristics they have in common. They may be characterized by. The uses people make of them - PowerPoint PPT PresentationTRANSCRIPT
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Classification of Agricultural Animals
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Organisms
• Identified, grouped, and classified• More effectively study and
communicate about them• Plants and animals are classified or
grouped together by characteristics they have in common
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They may be characterized by
• The uses people make of them• Physical characteristics• Other categories used to put similar
animals together
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Classification
• Several ways of classifying agricultural animals
• Agricultural animals have been domesticated for some type of human use
• These animals have been developed into breeds having distinctive characteristics and distinctive uses
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Scientific Classification–Binomial nomenclature:
Giving two names in Latin–System developed by Swedish
Botonist named Linnaeus
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Binomial Nomenclature• Genus: First name, always
capitalized• Species: Second name, always
lowercase• Both are underlined!
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Latin• Was used because at the time, it was
the international language of scholars• Many languages of the world were
based on Latin.
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Example• Cattle: Bos taurus• Pigs: Sus scrofa• Horses: Equus caballus• Sheep: Ovis aries• Dogs: Canis familiaris
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Common Names
• Are often confusing• Different organisms can have similar or
the same common name• Different parts of the country may have
different common names for the same animal.
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Scientific Classification
• Orderly and systematic approach to identification
• Broad groups of animals are classified together in categories of common characteristics
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Scientific Classification
• Each group is then broken down further into smaller categories
• Process is repeated until the groups cannot be categorized into smaller groups.
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Seven Levels of Classification
• Kingdom- largest • Phyla• Class• Order• Family
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Seven Levels of Classification• Genus• Species- smallest
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Kingdoms• Animalia: all multicelled animals• Plantae: multicellular plants that
produce chlorophyll through photosynthesis
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Kingdoms• Monera: bacteria and blue-green
algae• Protista: paramecia and amoebae• Fungi: mushrooms and other fungi
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Kingdom• The Kingdom animalia includes
all animals ranging from a tiny gnat to huge whales. Because of this diversity we have to further subdivide into phyla.
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Phyla• The primary divisions of the
kingdom Animalia• The kingdom animalia is divided
into twenty-seven phyla.
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Phyla• The word phyla comes from the Greek
word phulon meaning race or kind• Several phyla are divided into
subphyla• Most agricultural animals belong to
the phylum Chordata
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Phyla
• Chordata is divided into subphylas• Vertebrata – animals with backbones
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Classes• The phyla and subphyla are further
divided into classes.• Agricultural animals such as
horses, cattle, goats, sheep, and pigs belong to the class Mammalia.
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Classes• Amphibia: frogs, toads• Reptilia: turtles, snakes, lizards• Aves: birds• Mammalia: horses, cattle, pigs
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Orders• Classes are divided into smaller
groups that categorize animals within a class that possess certain characteristics called orders.
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Order• The class Mammalia contains
eighteen different orders including • Primates – humans• Artiodactyla – cows, goats, sheep,
pigs
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Artiodactyla• The order Artiodactyla have
three suborders.• Suiformes: pigs, hippopotami
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Artiodactyla• Tylopoda: camels, llamas• Ruminantia: deer, cattle, sheep
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Families• Orders and suborders still have
to be broken down smaller. These are called families.
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Genus and Species• The final categories of the
scientific classification system are genus and species.
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Genus and Species• The Genus and Species are
also an animal’s scientific name.• These are always Latin or
latinized
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Classification of Breeds• A breed of animals is defined as
a group of animals with a common ancestry and common characteristics that breed true.
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Classification of Breeds• Breeding true: means that the
offspring will almost always look like the parents
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Selective Breeding• Choosing the best and desired
animals and using those animals for breeding purposes.
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Purebreds• These are animals whose
ancestors are of only one breed.
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Breed Associations• An organization that promotes a
certain breed of animal. They control the registration process of purebred animals of that breed.
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Blood Typing• Not only physical characteristics
are used in breed identification.• Blood typing is analyzing and
animals blood to determine their history.
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Crossbreeding• Sometimes species can be
successfully crossed to produce new breeds.
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Example• One of the first successful
breeds: Santa Gertrudis, which a cross between Shorthorn breed of cattle with the Brahman breed of cattle.
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Classification According to Use
• Meat Animals• Work Animals
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Classification of Horses
• Cutting horses: used to heard and work cattle
• Draft Breeds: used to pull wagons and heavy loads
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Classification of Horses• Harness Horses: used for pulling
sulkies or light carriages
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Dual-Purpose Animals• An animal that is raised for more
than one purpose.
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Examples• Cows and Calves• Sheep• Camels (in the desert of the
Middle East)