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Applied Nutrition
| Question | Answer |
|---|---|
| Advisability of creep fed replacements is ______ | debatable |
| Developing replacement heifers with feed, pasture, or both permits them to attain ____ to ___ of their anticipated mature weight at ___ mo for breeding to calve at _____years | 55-65%; 15 months; 2 years |
| Post weaning rate of gain from ____to_____ months at _____ to ______ lb/day | 7-15; 0.75-1.25 |
| Low levels of gain may delay _____ and reduce ______ _______ | puberty; reproductive efficiency |
| High levels of gain may damage _______ _______ | mammary development |
| Weaning ration - free choice hay and ____to____ pounds grain/day with free choice ______ | 3-4; minerals |
| Winter ration for spring born heifers under one year - feed to gain about ____to ____ pounds a day to reach _____ to _____ pounds by mid-to-late-spring. | 1.0-1.25; 600-700 |
| Pasture plus minerals is adequate for yearling heifers to gain 1-1.5 pounds a day from _____ until breeding time in ________ (______ days) | May; mid-July; 75 days |
| Breed weight should be at least ____ to _____ pounds at 15 months | 650-750 |
| Heifers should be ______ % of mature weight at breeding and ______% of mature weight at calving | 60; 85 |
| If fall wight is 500 pounds in November, then ADG needs to be _____ until breeding time | 1.6 |
| Bred heifers can be fed and managed like the _____ ____ and should not be fed with _____. | cow herd; steers |
| Bred heifers will usually gain 1-1.25 pounds per day calving at _____ to _____ pounds without being overconditioned | 900-1100 |
| After calving, feed first-calf heifers _____ so they can breed back on schedule | liberally |
| Young bulls should be creep fed then full fed on a high energy ration (_____ to ____ concentrate) from weaning to 14 months of age. Such animals should be ready for use when they are _____to_____ months | 70-85; 15-18 |
| Young bulls require a daily dry feed allowance of about ______ of their body weight and a rate of gain of at least _______ pounds per day | 2.5%; 2.5 pounds |
| From 15 months to 3 years, bulls should make a daily gain of _____ to _____ pounds and receive a dry feed allowance equal to ____ to _____ pounds of their body weight. | 1.75-2.25; 1.75-2.25 |
| Mature breeding bulls can usually maintain condition on the same kind of pasture and wintering management provided to the ___ _____ | cow herd |
| Wintering feeding of bulls should be ____ pound of grain per 100 pounds of body weight with protein supplements and free choice roughage. | 0.5 |
| If winter fed roughage is corn silage, adjust level of ____ and _____ supplement as needed. | grain; protein |
| In winter feeding of bulls, _____ should be free-choice | minerals |
| In winter feeding, 20,000 units of _______ daily if any question about level in feed. | Vitamin A |
| In summer feeding of bulls, free-choice ______ and _____ as in the case of the cow herd | minerals; pasture |
| In summer feeding of bulls, supplement energy feed only if required to maintain ______ ________ | satisfactory condition |
Created by:
lac043
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