ANSI 3653 Exam 4 | 138 Questions With 100% Correct Answers.

How do sheep compare nutritionally with cattle? - similar in: -digestive tract -forage selection -digestion rate -nutrient absorption dissimilar in: -sheep are seasonal breeders -twinning is desirable in sheep How many ewes are equivalent to one beef cow? - 5 ewes = 1 cow What is the difference in reproductive ability between white faced ewes and black-faced ewes? Explain. Why is this important for the sheep breeder? - - Black-faced breeds: will only breed in the fall to lamb in the spring. - White-faced sheep: can either breed in the fall to lamb in the spring or breed in the spring to lamb in the fall. - Important for breeders to know when they can breed Is energy or protein the common limiting nutritional factor in sheep? - Energy Name the three most critical periods during the productive cycle of a breeding ewe. - - Flushing - Late Gestation - Early Lactation Feeding a diet with enhanced energy that causes rapid weight gain prior to and during the early stages of the breeding season is called __________________. - FlushingWhat affect does age have on flushing ability? - Mature ewes respond better than yearling ewes What affect does body condition prior to the breeding season have on flushing ability? - Thin ewes respond better Flushing results in an overall increase in conception rate of ______ to _____ % and number of twin births of ______ to ______ % - 5 to 15% 5 to 25% _______________ ____________ is a nutritional condition caused by a lack of usable carbohydrates (sugars, starches) and generally occurs in thin, poor conditioned ewes, particularly in older ewes or ewes carrying multiple fetuses. Increasing demands of fetal growth become too great for the available carbohydrate source and finally results in paralysis. - Pregnancy Toxemia (Ketosis) What are the signs of twin lambing disease (Ketosis)? - - Ewes isolate themselves from herd - Increased respiration rate - Nasal discharge - Muscle tremors and convulsions - Fatty (yellow) livers due to increased fat deposition