1/43
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
They produce 2 or 3 products, utilization of different forages, have less energy requirements than cattle, and are highly adaptable.
Why are sheep popular to raise?
1519
First introduced in blank by Cortez
1600s
Wool industry began on the eastern side with colonization in the early
1 pound
Americans now consume less than blank each year.
5.2 million head of sheep and lambs
In the U.S. there are more than
Texas and California
25% which are in
Australia and Middle East
Larger sheep numbers in other countries
less demand for wool, low consumer demand for lamb and high price of lamb compared to other meats, decreased resources available, predators, and farmer diversification into other enterprises.
Why continued decline in numbers in U.S.?
Ram
male sheep
Ewe
female sheep
Lamb
young sheep
Wether
castrated male sheep
Flock
group of sheep
Wool
fiber that sheep produces
Gestation
142-152 days
Estrous Cycle
17-19 days
Duration of Estrous
24-36 hrs
Ram Mature Weights
150-250+ pounds
Ewe Mature Weights
130-200+ pounds
Age at Puberty
5-12 months
Ewe birthing for the first time
13-15 months
Harvest Weight of Market Lambs
90-125 pounds
Age at Harvest
6-12 months
Average Production Life
6-8 years
Will start estrous cycle when daylight hours decrease and then stop cycling when daylight hours increase
When do sheep breed?
STAR breeding calendar
When breeding they use the
Sheep producers, lamb feeders, lamb processors and packers, wool buyers/ warehouses, and shearers
What are the sections of the sheep industry?
Commercial Farm Flocks
produce lambs for traditional meat markets or ethnic markets
Purebread Farm Flocks
emphasize genetics and production, sell breeding stock, and usually hobby farms
Club Lamb Farm Flocks
are controlled small flocks crossbred or commercial purebred and sell lambs at higher weight to allow youngsters to raise them in 4-H or FFA.
Range Flocks
large sheep numbers per flock that produce majority of the lamb and wool in the U.S. There’s Fenced and Migratory
Pregnancy Toxemia
causes disturbance of carbohydrate metabolism and most common metabolic disease in sheep.
Enterotoxemia
overeating disease that is cause by bacteria, C. Perfringens Type D, found in soil, and gets in the intestinal tract
White Muscle Disease
Stiff lamb disease cause by selenium or Vitamin E, skeletal and cardiac muscles of lambs(2-8 weeks of age).
Scrapies
affects nervous system, it’s one of the TSEs, cause by abnormal prion, and occurs in older sheep
Internal Parasites
constant concern in management of sheep and goats, follow deworming practices and fecal egg counts/ FAMACHA scores.
External Parasites
sheep keds, fly strike, and wool maggots
Sheep Keds
wingless fly
Fly Strike
attracted to urine and feces, lay eggs and larvae will set up in rectum
Wool Maggots
create festering wounds in thick wool coats
Ewe Breeds
white faced breeds of fine wool type or crosses of fine wool types. Slower growth rates and good mothering ability, hardiness, good fleece characteristics, and good volume of wool.
Ram breeds
are selected for growth and meat qualities of their offspring. Used as terminal sires and lower quality wool.
Ewe breeds Types
Merino, Rambouillet, and Polypay
Ram Breed Types
Hampshire, Sulfolk, Southdown, Dorset, and Texel