Sheep Flashcards
Flock
Group of Sheep
Ewe
female sheep
Ram
intact male
Wether
castrated male
Sire
paternal contributor to DNA
Dam
maternal contributor to DNA
Parturition
act of giving birth
Parity
number of times given birth
Lamb
baby sheep (less than 1 year)
Lambing
sheep giving birth
lamb (meat)
meat from sheep less than 1 year of age
Mutton
meat from sheep over 1 year of age
Channel
wooless section on muzzle
Lanolin
oil produced to protect wool
Sheep Products
wool, meat, milk, pelt/hide/leather
Open Face
wool stops behind ears
Closed Face
wool grows over head and on side of face
Bare Legged
wool does NOT grow on legs
–> less dense wool
Leg Wool
Wool down the legs
–> wool more dense
Polled
animal naturally does not have horns
Horned
the sheep has horns
Wool Breed
typically used for their wool
–>can be used for meat
Fine Wool Breeds
-Rambouillet
-Merino
Medium Wool Breeds
-Oxford
-Columbia
Coarse/Long Wool Breeds
-Border Leicester
-Lincoln
-Cotswold
Meat Breeds
-Sufflock
-Hampshire
-Southdown
-Dorset
-Cheviot
-Shropshire
-Montedale
Hair Breeds
-Dorper
-Katahdin
Open Face Breeds
-Sufflock
-Border Leicester
Wool Legged Breed
-Ramboulliet
-Hampshire
Horned Breed
-Merino
-Dorset
Polled Breed
-Sufflock
-Katahdin
Why does mutton have an “offensive flavor”?
As a sheep grows older, lanolin gets into their meat making it taste “musky” or “dirty”
Rule for Ground Meat
NEVER add lamb meat back into the ground meat product
Sheep Imports
Most sheep products are imported from Asia and Europe.
-Australia imports 68-70%
-New Zealand imports 30-32%
New Zealand Sheep Industry
-large number of similar sheep
-uniform product
Farm Flock
-midwest
-smaller (avg 30 ewes)
-variety (3 breeds represented)
Range Flock
-western states
- 100-1000 ewes
-variety (match breed to living conditions)
-dry climate
-10,000+ acres
sexual maturity
5-12 months
gestation
138-149 days –> avg 147
Seasonal Breeders
short day – photoperiod
pineal gland
converts serotonin to melatonin in the night hours
–> melatonin into GnRH which promotes cycling
GnRH
gonaditropin releasing hormone
estrus
ovulation
- 18-48 hours (avg 30 hours)
estrous
time between cycles
- 13-19 days (avg 17 days)
Marking Harness
-mark ewes
-track rams
–> uses for records
flehmen response
a lip curl by rams (vomeronasal organ) to determine if a ewe is receptive to breeding
dystocia
difficulty giving birth
–> sign= front feet followed by nose is not seen
lambing jug
small clean space that allows for bonding
Nursing: tail wagging
means a lamb is getting milk
1 cause of death in lambs
starvation
postnatal care
-CDT vaccinations
-tail docking
-castration
–> may need to bottle or creep feed
Shearing
1-2 times per year
Finishing
muscle growth and optimal fat cover for slaughter
Predator Control
-physical barriers
-human presence
-fencing
-guardian animals
Parasite Control: recognize problem
-loose stool
-wool tags
-weight loss
Parasite Control: When
deworm twice a year
–> prior to grazing
–> prior to lambing
Parasite Control: Management
-Drench
-Injectable
-Bath