Introduction Flashcards
what are the three main areas of managing infectious/parasitic disease in sheep?
biosecurity (preventing entry)
reduce disease challenge
improve animal resistance
how long roughly is a ewe dry, pregnant and lactating for?
lactating - 4 months
dry - 3 months
pregnant - 5 months
what are the characteristics of hill breeds?
hardy
good mothering
one lamb per ewe
what are the two main long wool breeds?
border leicester
blue faced Leicester
what are hill breeds crossed with for upland farms?
long wool breeds
what are the characteristics of upland breeds?
bigger carcass
fast growth
prolificacy
milkiness
what are hill breeds crossed with blue faced Leicester called?
mules
what are hill breeds crossed with border Leicesters called?
half bred
what are the characteristics looked for in lowland farms?
growth rates
carcass conformation
hardiness
what are some terminal sire breeds of sheep?
texel
suffolk
charolais
what are some common estimated breeding values for sheep?
litter size
maternal ability (milk production) - lamb growth to 8 weeks
scan weight of lamb
carcass composition and conformation
mature size
worm resistance
what does ram with an estimated breeding value for litter size of +0.2 mean?
they will produce ewes with produce 10% more lambs
what does a ram with an estimated breeding value for 8 week weight of +1 mean?
they will produce ewes that have lambs 0.5kg heavier than a ram with an EBV of 0
what is the rough deadweight price of lamb?
£5.75/kg
what is the rough live weight of lamb?
£225
