ANSC 3010 FINAL QUESTIONS WITH VERIFIED
ANSWERS
SHEEP -
feed costs approximately how much of total cost production for sheep? - Answers - 2/3
what is a high proportion of sheep diet and how much of it in total diet - Answers -
forage; 75-90%
lambs can be finished to acceptable market grade without what in the diet? - Answers -
grain
when is supplemental feeds provided to sheep - Answers - during nutritional stress
usually before and after lambing
what is a big problem with sheep? - Answers - parasites
research at LSU for sheep is focusing on what? - Answers - serecia lespedeza and
copper
during grazing season, sheep able to meet nutrient requirements from what? - Answers
- pasture and a salt and mineral supplement
what is provided to flock when forages are limited - Answers - hay
what may be added to the diet at certain stages of production when additional nutrient
supplementation is required - Answers - grain
lactating ewe will consume approximately how much gallons of water per day - Answers
- 2-3
feed for what type of sheep represents largest production cost in sheep enterprise? -
Answers - ewe flock
important to develop what for your flock that optimizes production while minimizing feed
costs - Answers - nutritional management program
what are components of then nutritional year of the ewe flock (5 periods) - Answers -
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 - Answers - flushing
improves nutritional status just prior to breeding - Answers - flushing
what is purpose of flushing - Answers - increase lambing rates (10-20% possible)
how many weeks to begin flushing before turning in rams and what to do? - Answers -
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? - Answers - legume pastures (infertility)
when does early pregnancy represent and how long is total gestation period? - Answers
- 90-100 days; 150 days
what is fed to sheep for about 3.5 months during early pregnancy - Answers - 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? - Answers - 30-40 lbs; 10 lbs (.1 lbs per day)
what is known as the most critical 6 weeks of the year - Answers - late gestation
what happens during late gestation? - Answers - 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? - Answers - 70%
what is the nutrient most likely to be limited during late gestation? - Answers - energy
to meet energy requirements, must be provided? - Answers - concentration feeds
ewes and goats susceptible to what during late gestation? - Answers - ketosis,
pregnancy disease, twin-lamb disease
metabolic shortage of glucose and excessive reliance on mobilized body fat to meet
energy requirements - Answers - ketosis
what ewes are more likely to get ketosis? - Answers - overfat ewes (mild restriction may
help)
economic return for sheep producer during lambing depends on? - Answers - lamb
survival
newborn lamb must receive colostrum when or what? - Answers - within first hour or will
get weaker and will be unable to suckle
, if can't nurse... - Answers - give colostrum by stomach tube
ewes remaining in a lambing pen for 1-3 days should receive what diet? - Answers -
high quality roughage
at what stage does the ewe need the highest daily nutrient requirements - Answers -
during lactation
milk production peaks when? - Answers - 3-4 weeks
with twins, ewes produces how much more milk? triplets? - Answers - 30-50%; 30%
more than twins
why during lactation do ewes still lose body weight? - Answers - negative energy
balance
after ____ days of lactation, milk production will decline - Answers - 60
same feed intake level during what stage should be adequate to meet ewe's needs after
end of lactation - Answers - late gestation intake level
maintenance means what? - Answers - weight equilibrium
ewes recover for how many months after action before being bred again - Answers - 4
months
why avoid overfeeding? - Answers - fat ewes are less efficient reproductively
system useful in assessing nutritional status of ewes - Answers - body condition scoring
body condition scoring based on what? - Answers - estimated external fat
scores range from? and when to target? - Answers - 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? -
Answers - high concentrate feeds
lambs born after middle of february where? - Answers - on pasture with dams, remain
throughout spring and summer
when should lambs on winter-lambing program should have access to high quality
creep feed - Answers - 7 days old
ANSWERS
SHEEP -
feed costs approximately how much of total cost production for sheep? - Answers - 2/3
what is a high proportion of sheep diet and how much of it in total diet - Answers -
forage; 75-90%
lambs can be finished to acceptable market grade without what in the diet? - Answers -
grain
when is supplemental feeds provided to sheep - Answers - during nutritional stress
usually before and after lambing
what is a big problem with sheep? - Answers - parasites
research at LSU for sheep is focusing on what? - Answers - serecia lespedeza and
copper
during grazing season, sheep able to meet nutrient requirements from what? - Answers
- pasture and a salt and mineral supplement
what is provided to flock when forages are limited - Answers - hay
what may be added to the diet at certain stages of production when additional nutrient
supplementation is required - Answers - grain
lactating ewe will consume approximately how much gallons of water per day - Answers
- 2-3
feed for what type of sheep represents largest production cost in sheep enterprise? -
Answers - ewe flock
important to develop what for your flock that optimizes production while minimizing feed
costs - Answers - nutritional management program
what are components of then nutritional year of the ewe flock (5 periods) - Answers -
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 - Answers - flushing
improves nutritional status just prior to breeding - Answers - flushing
what is purpose of flushing - Answers - increase lambing rates (10-20% possible)
how many weeks to begin flushing before turning in rams and what to do? - Answers -
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? - Answers - legume pastures (infertility)
when does early pregnancy represent and how long is total gestation period? - Answers
- 90-100 days; 150 days
what is fed to sheep for about 3.5 months during early pregnancy - Answers - 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? - Answers - 30-40 lbs; 10 lbs (.1 lbs per day)
what is known as the most critical 6 weeks of the year - Answers - late gestation
what happens during late gestation? - Answers - 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? - Answers - 70%
what is the nutrient most likely to be limited during late gestation? - Answers - energy
to meet energy requirements, must be provided? - Answers - concentration feeds
ewes and goats susceptible to what during late gestation? - Answers - ketosis,
pregnancy disease, twin-lamb disease
metabolic shortage of glucose and excessive reliance on mobilized body fat to meet
energy requirements - Answers - ketosis
what ewes are more likely to get ketosis? - Answers - overfat ewes (mild restriction may
help)
economic return for sheep producer during lambing depends on? - Answers - lamb
survival
newborn lamb must receive colostrum when or what? - Answers - within first hour or will
get weaker and will be unable to suckle
, if can't nurse... - Answers - give colostrum by stomach tube
ewes remaining in a lambing pen for 1-3 days should receive what diet? - Answers -
high quality roughage
at what stage does the ewe need the highest daily nutrient requirements - Answers -
during lactation
milk production peaks when? - Answers - 3-4 weeks
with twins, ewes produces how much more milk? triplets? - Answers - 30-50%; 30%
more than twins
why during lactation do ewes still lose body weight? - Answers - negative energy
balance
after ____ days of lactation, milk production will decline - Answers - 60
same feed intake level during what stage should be adequate to meet ewe's needs after
end of lactation - Answers - late gestation intake level
maintenance means what? - Answers - weight equilibrium
ewes recover for how many months after action before being bred again - Answers - 4
months
why avoid overfeeding? - Answers - fat ewes are less efficient reproductively
system useful in assessing nutritional status of ewes - Answers - body condition scoring
body condition scoring based on what? - Answers - estimated external fat
scores range from? and when to target? - Answers - 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? -
Answers - high concentrate feeds
lambs born after middle of february where? - Answers - on pasture with dams, remain
throughout spring and summer
when should lambs on winter-lambing program should have access to high quality
creep feed - Answers - 7 days old
