Exam 1 Flashcards
Intro Module and Sheep/Goats (91 cards)
When did crop and animal production have a peak?
2014
What is Indiana’s crop/animal ratio?
2/3 crop 1/3 animal
What is axis bias?
changing the axis on a chart to emphasize a point being made
Livestock production in the US is now:
- highly efficient
- more output, less farms
- largely vertically integrated
Sheep chromosome diploid #
54
Goat chromosome diploid #
60
What is a chimera?
lab made “cross” between a sheep and goat, each cell is individually one species but comprised of both
Classification of sheep
Ovis aries
When were sheep domesticated?
6,000 BC
Originator sheep breed?
Mouflon
Why does height of sheep matter?
Taller they are, cooler their body will be
Sheep castrated male
wether
Sheep adult male
ram
Sheep adult female
ewe
Sheep meat breeds
tend to be large: cheviot, dorset, hampshire, shropshire, southdown, suffolk, texel, tunis
Sheep fine wool breeds
where wool we wear comes from: delaine-merino, rambouillet
Sheep long wool breeds
for knitting wool, some of the original sheep that were brought over: cotswold, lincoln, romney
Sheep dual purpose breeds
columbia, corriedale, east friesian, finnsheep, polypay, targhee
Sheep hair + double coated breeds
do well with heat due to hair rather than wool: barbados blackbelly, dorper, other south american breeds
Sheep minor + exotic breeds
diverse and lesser bred
Goat classification
Capra hircus
Goat castrated male
wether
Goat adult male
buck/billy
Goat adult female
doe/nanny