ANS 262
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| Top Sheep States | 1. Texas 2. California 3. Wyoming 4.Colorado 5.South Dakota
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| Top Sheep Operations | 1. Texas 2. Arizona 3. California 4. Pennsylvania 5. Iowa
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| World Sheep Production | 1. China 2. Australia 3. India 4. New Zealand 5. United Kingdom
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| Average Market Lamb Weight | 136 pounds
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| Average Fleece Weight | 7.5 pounds
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| Milk Price | .54/lb
4x cow
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| ASI Recognized breeds | 47
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| Suffolk | Most registrations
large
high cutability
most NSIP flocks
Terminal
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| Hampshire | terminal
high cutablity
large
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| Columbia | dual purpose
US developed
largest white faced
range conditions
heavy-medium fleece
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| Dorset | polled at N. Carolina State
lamb out of season
moderate
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| Corriedale | australia and new zealand
2nd numerous breed
heavy fleece
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| Romney | black hoof, foot rot resistance
heavy, long stapled, course wool
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| Merino | finest wool
most numerous
australia predominant
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| Rambouillet | largest fine wool
western range
finest U.S breed
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| Polypay | rambouillet, dorset, finn, targhee
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| Targhee | U.S sheep experiment station Dubois ID
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| Dorper | Hair Sheep
south africa
meat
long breeding season
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| kathadin | hair sheep
maine
hardy
parasite resistance
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| Finn | prolific
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| Romanov | prolific
dark wool, lost in first cross
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| purebred mating systems | inbreeding
outbreeding
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| Inbreeding Coefficient | F
sibs .25
parents lamb .25
half sibs .125
nephew aunt .0625
reproductive rate
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| prepotent | transmitting traits in a predictable manner
homozygous
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| Crossbred | hybrid vigor
higher fertility
grow faster
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| % heterosis | [(XB-PB)/PB]*100
highest in low heritability traits
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| Heritability | 0-1 environment-100%
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| Breeding Value | (individual-contemperary)*heritability
derived from breed average
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| Progeny Difference | 1/2 breeding value
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| BLUP | Best Linear Unbias Prediction
use in EPD's
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| weaning weight | 30-90 days
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| post weaning weight | 30 days after weaning weight
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| maternal milk | derived from weaning weight
milk+gain
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| carcass traits | 12th rib fat thickness (CF)
12th rib LEA (EMD)
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| NSIP | national sheep improvement program
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| Scrapies | Codon 171
RR (arginine)
RQ (arginine, glutamine)
QQ (glutamine)
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| Callipyge | hypertrophy (increased muscle fiber diameter)
Imprinting
Paternal Polar Overdominance
normal ram CC to normal ewe NN to produce 100%
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| generation interval | breed ewe lambs and young studs to decrease
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| wool traits | staple length
greecy fleec weight
fiber diameter
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| Indexes | Western Range
Ewe Productivity
Carcass Plus
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