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Laboratory rabbit. Dep.laboratory animal science Dr.kourosh pajaei D.V.M. Rabbit Taxonomy & breeds. TAXONOMY. Phylum Cordata : animal with notochord & gills. sub phylum Craniata ( vertebrata ):chordata with organaized head region. class Mammalia : Warm-blooded with hair coat .
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Laboratory rabbit Dep.laboratory animal science Dr.kourosh pajaei D.V.M
TAXONOMY Phylum Cordata : animal with notochord & gills. sub phylum Craniata ( vertebrata ):chordata with organaized head region. class Mammalia: Warm-blooded with hair coat . sub class Theria : Viviparous Infraclass Eutheria : placental mammals Cohort Glires: Lagomorpha plus rodens Order Lagomorpha: Gnawing placentals with chisellike incisors of which there is in the upper jaw a small second pair directly behind the main pair . Family: Leporidea Subfamily: Leporinae Geneus: Oryctolagus ( true rabbit )(6 Gs )
Rabbit breeds G:Oryctolagus cuniculus European rabbit ( true rabbit)
Rabbits • Developed into forty-five recognized breeds • Divided into five weight categories • Dwarf or Miniature • Small • Medium • Large • Giant
Dwarf or Miniature Breeds • Britannia Petite • Netherland Dwarf • Himalayan
Brittania Petite • Old English breed • Smallest of the standard breeds • Rabbits are white with red eyes in the US
Netherland Dwarf • Developed in Holland • More recognized colors than any other breed • Rabbits are small, stocky, and compact
Himalayan • One of the oldest and widest distributions • Young rabbits are white and slightly tinged with silver-gray • Matures rabbits become snow white with deep black nose, ears, feet, and tail
Small Breeds • Dutch • Tan • Florida White
Dutch • Originated in Holland and developed in England • Unique color markings • colored patches on each side of the head that encircle the eyes and ears • rear half is also colored the same as the head
Tan • Originated in England • Originally black with tan underside • Tan color found around eyes, nostrils, and toes
Florida White • Developed in Florida • Crossed with Dutch, Polish, and New Zealand Whites • Short and compact • well-rounded hips and hindquarters • Bred for a small meat rabbit or a laboratory rabbit
Medium Breeds • English Spot • Standard Chinchilla • English Angora • Belgian Hare • Rhinelander • Rex
English Spot • Introduced to US from England • A unique chair of markings, the size of a pea, run from the base of the ear to the A unique chair of markings flank
Standard Chinchilla • Under-color is dark slate blue at the base, pearl in the middle and narrow black band with narrow light band on the top
English Angora • Has a short, compact body and the head, ears, feet, and body are covered with wool
Belgian Hare • Originated in Flanders, Belgium • Has a long, fine body, long, straight and slender legs
Rhinelander • Has a butterfly marking on the nose, cheek spots, and eye rings • Body is white • herringbone pattern or unbroken stripe running from the neck down the back to the top of the tail
Rex • Short hair coat, with guard hairs being the same length as the under fur • The fur has a very soft, flush feel
Large Breeds • Californian • Cinnamon • American • English Lop • New Zealand • Silver Fox
Californian • Cross of a Himalayan and a Chinchilla and crossed with White New Zealand • White with black colored nose, ears, feet, and tail, and the eyes are red
Cinnamon • Medium-length rabbit with a well-filled meaty body • The color is a rust or cinnamon ground color; the fur is ticked with smoke-gray across the back
American • Ideal body type is described as “mandolin” because the arch of the back has this type of appearance
English Lop • Oldest domestic rabbit breed known • Body is medium length with well arched back and low head carriage
New Zealand • Leading choice for commercial meat production • White is preferred because the small hairs that remain cannot be seen
Silver Fox • Developed in Ohio • Resembles the real Silver Fox with silvered fur and lack of fly-back fur (fur returning to its original position)
Giant • Giant Angora • French Lop • Flemish Giant
Giant Angora • Developed for maximum amount of wool production • Has the body structure of a commercial animal with a unique coat structure
French Lop • Ears are shorter than the English Lop and hang down in a horseshoe shape from the crown approximately 1 ½ inches or more below the muzzle
Flemish Giant • Originated in Belgium • This is the largest of all the domestic rabbit breeds
Types of Rabbit Production • Fanciers • Pets, Breeding Stock, and Show Animals • Laboratory • Fur/Hair • Angora • Rex • MEAT • Largest Rabbit Market
Rabbits • Pets • With diversity in size they can fit into different home situations • Trainable to use litter box • Require little special care • Clean, gentle, and lovable pets
Rabbits • Fur/wool-divided into four types • Normal • regular rabbit • Rex • short • Angora • like wool • Satin • mutation fur • smaller in diameter • transparent outer shell
3 Most Popular Meat Breeds • New Zealand (white)
Rabbit vs. the Rest This is based on 1 pound of raw meat.
Examples of Small Commercial NetherlandDwarf American Fuzzy Lop Dutch Polish Mini Lop Mini Rex Florida White Holland Lop These breeds are small breeds with nice dispositions and are well suited for younger 4-Hers.
Examples of Commercial Champagne D’Argent Californian Cinnamon Crème D’Argent Satin French Lop New Zealand Rex These breeds are suited for the older 4-Her because these breeds have mature weights above 9 lbs.
Examples of Full Arch Breeds Britannia Petite Checkered Giant Tan Belgian Hare English Spot These breeds range in size from 2 lbs. to 14 lbs. and are suited for the more older, more experienced 4-Her because of breed disposition and their high energy levels.
Examples of Semi Arch Breeds Giant Chinchilla Flemish Giant English Lop American Chinchilla These breeds are suited for the older 4-Her because of size-mature weight above 9 lbs, but can be used by the older novice showman because of such easy going dispositions.
Cylindrical Breed Himilayan The Himilayan is the only breed with cylindrical body type. They are small with weights about 3-4 pounds and are extremely docile. This breed is well suited for young and novice 4-Her.
European Rabbit Of the six genus in the Subfamily Leporinae, only the European rabbit,Oryctolaguscuniculus is commonly used in research, testing, orteaching. Three of the most commonly used breeds are the NewZealand White, American Dutch, and Californian.
American Dutch The American Dutch rabbit, shown here, is less thanhalf the size of the New Zealand White, reaching amature weight of only two kilograms. There areseveral color varieties of the American Dutch breed,but themost common is the black and white.
Californian Another breedoccasionally used is the Californianrabbit. It is only slightly smaller than the New Zealand White, reaching a mature weight of 4.5 kg.
New Zealand White The New Zealand White is an albino rabbit. It reaches a mature weight of about fivekilograms, and it is themost readily available breed in the United States.
anatomical and physiologicalcharacteristics of the rabbit that areimportant to their use in research, testing, or teaching; and recognizedeviations from normal parameters.
Teeth The dental formula of rabbit is: • I 2/1 , C 0/0 ,PM 3/2 ,M 2-3/3 x2 = 26-28 • As in rodent incisors grow continuously • Color : white • Malocclusion