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Animal Science 108

first test

Terms

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A Breed
a specimen of the same species , but with distinguishing characteristics.
Why have breeds developed?
To provide increased production in: meat, milk, eggs, and/or wool
Which British breed was developed from a recessive gene?
Red Angus
Which cattle breed has the largest number of annual registrations in the US?
Angus
Which cattle breed has a red w/ white face, also a white underline, and adapts to many environments?
Hereford
3 major colors in the shorthorn breed?
red, white, and roan
Which cattle breed is from France, is white, and extremely fast growing?
Charolais
Which cattle breed is known for being heaviest milker in continental breeds, muscular carcass, and dual purpose?
Simmental- from Switzerland
List 3 Bos Indicus breeds
Brahman, Brangus, Simbrah, Beef master, and Santa Gertrudis
What are the Brahman best known for?
Heat tolerance, insect and disease resistance.
What are the 6 essentials developed in the beef master?
weight, confirmation, fertility, hardiness, disposition, and milking ability.
Which swine breed is known for having, droopy ears, being a dam breed, and white?
Chester White- US
Which swine breed has an extra vertebrae?
Landrace- Denmark
What are "-shire" breeds known for? and list them
erect ears Yorkshire, Hampshire, Berkshire,
Which swine breed is known for its reddish color, sire breed, and origination in New Jersey?
Duroc-US
Fine wool Ovine
Merino- Spain and Rambouillet- France
Which Ovine breed, breeds out of season? In which season?
Dorcet- England Breed in spring months, as the daylight cycle deceases
Which Ovine breed is know for rapid growth, muscularity, and wool cap on head?
Hampshire
Which ovine breed is know for black head and legs, sire breed, and very fast growing?
Suffolk
Which dairy breed is known for being the preferred breed for liquid milk w/ lowest % butterfat, and from the Netherlands?
Holstein-Friesian
Dairy cattle know for highest % butterfat, heat and humidity tolerance, and big brown eyes?
Jersey- Isle of Jersey
Which Caprine is known for mohair fiber?
Angora- Turkey
Which caprine is a fast growing meat type, and good muscling?
South African Boar goat
Which caprine is the heaviest milking breed from switzerland?
Saanen
Which horse breed is known for white encircling the eyes, blk/wht striped hooves, and irregular skin mottling?
Appaloosa
This equines bloodline runs through most light horses
Arabian
What are the 2 American Paint horse color patterns? describe the difference between them.
Tobiano- white over dark Ovaro- dark over white w/ no white crosses back
Only breed used for trotting and pacing races, developed in US
Standardbred
Which breed is know for "cow sense", and as a cutting horse?
American Quarter Horse
Which breed is be known for the Kentucky derby, and intermediate distance running?
Thoroughbred- England
Name 2 draft horse breeds and where they are from
Belgian- Belgium Clydesdale- Scotland Percheron- France
Which breed can be either light or draft and has max height of 11.2 hands?
Shetland pony- Scotland
Which breed of horse is the shortest breed?
Miniature horse- max height 34 inch.
Which poultry breed is the most prolific egg laying breed?
Leghorn-Mediterranean
What are the 3 breeds used in broiler production?
New Hampshire Reds-US White Plymouth Rock- US White Cornish- England
Which poultry breed has emphasized muscularity, and can no longer breed naturally?
Broad Breasted White Turkeys- US
Which state is #1 in the total number of horses and is responsible for 15% of total US horse pop?
Texas
A hand =___ inches
4
What classification of horse is known for jumping and hunting? Typical breed is the Thoroughbred
Hunter type horse
Which classification of horse is known for working cattle, roping, cutting, trails, and pleasure riding? Typical breed is Quarter horse, Paint, and Appaloosa
Stock horse type
Which horse classification is a cross between light and heavy horses? Breeds include: Trakehner and Hanoverian
Warm-bloods
Which horse type is known for being under 14 hands?
Pony type
List the types of identification
Freeze branding, hot-iron branding, lip tattoo, chestnut, micro-chipping,and color
Identification known for killing skin pigment, usually located under the mane
Freeze branding
Identification know for using a heated piece of metal
Hot-iron branding
Identification used mainly in the Jockey club, located on the upper lip?
Lip tattooing
Identification of dark oval-shaped areas, located on the insides of the hocks and just above the knees?
Chestnuts
Identification by implantation of a computer chip?
micro-chipping
Most common type of identification using horses color, hair whorls, and scars
Color
Describe the color characteristics of a Bay
Shade of red with black points
Describe the color characteristics of a Buckskin
Shade of yellow with black points
What face pattern has a white mark on the forehead?
Star
What face pattern has a narrow patch of white down the face from the forehead to the muzzle?
Strip
What face pattern has a narrow patch of white over the muzzle?
Snip
What face pattern has a wider patch of white down the face covering the full width of the nasal bone?
Blaze
What face pattern has a white marking covering the front of the face and extending over the sides of the face?
Bald face
What feet/leg pattern has white from the coronet to the knee?
Stocking
What feet/leg pattern has white from the coronet to the middle of the cannon?
Sock, or half-stocking
What feet/leg pattern has white from the coronet to the fetlock?
ankle, or fetlock
What feet/leg pattern has white from the coronet to the pastern
Pastern
What feet/leg pattern has a white strip covering the coronet band?
Coronet
Which stance deviation is where the knees are too close to the center?
Knock-kneed
Which stance deviation is where the knees are too far apart?
Bow-legged
Which stance deviation is where the knees are too far forward?
buck-kneed
Which stance deviation is where the knees are too far back?
calf-kneed
Which stance deviation is the worst forelimb deviation a horse can have?
calf-kneed
Which stance deviation is where the toes turn in?
pigeon-toes, or toes-in
Which stance deviation is where the hocks are too close together?
Cow-hocked
Which stance deviation is where the hocks are too far apart?
bow-legged
Which stance deviation is where the hocks are too under the body?
sickle-hocked
Which stance deviation is where the hocks are too far behind the body and with no angulation?
Post-legged
Which stance deviation is where the toes are pointed out?
Base-narrow, or toes-out
Name the 2 beat gate
Trot
Name the 3 beat gate
Canter, or collected lope
Name the 4 beat gates and distinguish them from each other.
Walk- has 1,2,3,4 pattern in shape of N Gallop- has 1,2,3,4 patter in the shape of a Z
How old is a horse when it is said to be a " full mouthed" horse?
5 years
List the changes in teeth over time
a. angle of incident b. become more rectangular c. cups disappear d. gums recede
Horse engery needs _______ as the workload increases?
increase
What is the purpose of the frog in a hoof?
It aids in blood circulation
What is the length of a horses gestation period?
11 months
Mares are ________ breeders
seasonal
Mares will breed with _________ daylight
increased
Mares breeding season is form early_______ into the ______.
early spring, fall
Which bit type uses indirect pressure?
Curb
Which bit uses direct pressure?
snaffle
What makes the hackamore unique?
it utilizes pressure points on the nose, poll, and chin, and has no bit.
Which country is #1 in swine production?
China
Which state is #1 in swine production?
Iowa
Why is the swine industry centered in the midwestern section of the US?
B/C it is the Corn belt and feed is cheaper there
What stage does a hog spend most of its time in?
Finisher stage- 5-6 months
Approximately ___% of marketed hogs are crossbred?
95%
Which system completely empties a barn to allow for cleaning, disinfecting, and better disease control
All-in All-out
Which crossbreeding system uses 2-3 breeds types
Rotational system
Which crossbreeding system differs from rotational breeding in that all offspring go to market?
Terminal crossbreeding
What are the disadvantages to the rotational breeding system?
Lower heterosis then terminal breeding, reduction of growth potential and carcass merit due to emphasis on maternal traits
What are the disadvantages to the terminal breeding system?
replacement females must be purchased b/c none are generated.
At what temperature are sows comfy at?
60-65 degrees
At what temperature are newborn piglets comfy at?
85-90 degrees in a draft free area
Piglets are given ____ injections to prevent___.
Iron , Anemia
Hogs are castrated to prevent_______?
Boar tant
In pig identification the _____ number is on the left ear.
Pig number
In pig identification the _____ number is on the right ear.
Litter number
What are the underline problems with highly heritable teat traits?
inadequate number and poor spacing of teats and pin, inverted or blunt nipples.
What is the gestation length of a sow?
3 months, 3 weeks, 3 days. = 114 days
Reproductive efficiency is measured by?
SPI- Sow Productivity Index
SPI combines the values of ______ and adjusted______.
number born alive, 21-day litter weight.

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