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