ACCURATE SOLUTIONS
feed costs approximately how much of total cost production for sheep? - CORRECT
ANSWER 2/3
what is a high proportion of sheep diet and how much of it in total diet - CORRECT
ANSWER forage; 75-90%
lambs can be finished to acceptable market grade without what in the diet? - CORRECT
ANSWER grain
when is supplemental feeds provided to sheep - CORRECT ANSWER during nutritional
stress usually before and after lambing
what is a big problem with sheep? - CORRECT ANSWER parasites
research at LSU for sheep is focusing on what? - CORRECT ANSWER serecia
lespedeza and copper
during grazing season, sheep able to meet nutrient requirements from what? -
CORRECT ANSWER pasture and a salt and mineral supplement
what is provided to flock when forages are limited - CORRECT ANSWER hay
what may be added to the diet at certain stages of production when additional nutrient
supplementation is required - CORRECT ANSWER grain
lactating ewe will consume approximately how much gallons of water per day -
CORRECT ANSWER 2-3
feed for what type of sheep represents largest production cost in sheep enterprise? -
CORRECT ANSWER ewe flock
important to develop what for your flock that optimizes production while minimizing feed
costs - CORRECT ANSWER nutritional management program
what are components of then nutritional year of the ewe flock (5 periods) - CORRECT
ANSWER flushing, early gestation, late gestation, lactation, and maintenance
involves feeding the ewes a diet on which they will be gaining weight as they enter the
breeding season - CORRECT ANSWER flushing
improves nutritional status just prior to breeding - CORRECT ANSWER flushing
,what is purpose of flushing - CORRECT ANSWER increase lambing rates (10-20%
possible)
how many weeks to begin flushing before turning in rams and what to do? - CORRECT
ANSWER 2; put ewes on lush grass pasture or other good quality feed (or feed .5-1
grain per ewe)
what should not be used for flushing? - CORRECT ANSWER legume pastures
(infertility)
when does early pregnancy represent and how long is total gestation period? -
CORRECT ANSWER 90-100 days; 150 days
what is fed to sheep for about 3.5 months during early pregnancy - CORRECT
ANSWER just above maintenance on good pasture or hay
throughout gestation, a 140 lb ewe will gain total of how many pounds? during first 100
days? - CORRECT ANSWER 30-40 lbs; 10 lbs (.1 lbs per day)
what is known as the most critical 6 weeks of the year - CORRECT ANSWER late
gestation
what happens during late gestation? - CORRECT ANSWER rapidly increasing size of
fetus(es). decreased rumen volume and nutrient density of diet must be increased
how much percent fetal growth during late gestation? - CORRECT ANSWER 70%
what is the nutrient most likely to be limited during late gestation? - CORRECT
ANSWER energy
to meet energy requirements, must be provided? - CORRECT ANSWER concentration
feeds
ewes and goats susceptible to what during late gestation? - CORRECT ANSWER
ketosis, pregnancy disease, twin-lamb disease
metabolic shortage of glucose and excessive reliance on mobilized body fat to meet
energy requirements - CORRECT ANSWER ketosis
what ewes are more likely to get ketosis? - CORRECT ANSWER overfat ewes (mild
restriction may help)
economic return for sheep producer during lambing depends on? - CORRECT
ANSWER lamb survival
, newborn lamb must receive colostrum when or what? - CORRECT ANSWER within first
hour or will get weaker and will be unable to suckle
if can't nurse... - CORRECT ANSWER give colostrum by stomach tube
ewes remaining in a lambing pen for 1-3 days should receive what diet? - CORRECT
ANSWER high quality roughage
at what stage does the ewe need the highest daily nutrient requirements - CORRECT
ANSWER during lactation
milk production peaks when? - CORRECT ANSWER 3-4 weeks
with twins, ewes produces how much more milk? triplets? - CORRECT ANSWER 30-
50%; 30% more than twins
why during lactation do ewes still lose body weight? - CORRECT ANSWER negative
energy balance
after ____ days of lactation, milk production will decline - CORRECT ANSWER 60
same feed intake level during what stage should be adequate to meet ewe's needs after
end of lactation - CORRECT ANSWER late gestation intake level
maintenance means what? - CORRECT ANSWER weight equilibrium
ewes recover for how many months after action before being bred again - CORRECT
ANSWER 4 months
why avoid overfeeding? - CORRECT ANSWER fat ewes are less efficient
reproductively
system useful in assessing nutritional status of ewes - CORRECT ANSWER body
condition scoring
body condition scoring based on what? - CORRECT ANSWER estimated external fat
scores range from? and when to target? - CORRECT ANSWER 1-5 (5 is obese and 3 is
average); at breeding, late gestation, and early lactation
lambs born from November to early february likely to be grown and finished on what? -
CORRECT ANSWER high concentrate feeds
lambs born after middle of february where? - CORRECT ANSWER on pasture with
dams, remain throughout spring and summer