AN S 226 Lecture Notes - Lecture 17: Estrous Cycle, Calorie, Weaning
3 Apr 2019
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Cow weight: define production periods, adjust for environment, balance ration using cowculator . (lbs. ) Iowa spa cost summary (5 year average estimate ) 2: feed costs/cow (nutrients of beef cattle, operating costs/cow. For dry, mature cow - middle 1/3 of gestation: depreciation costs/cow, hired labor cost /cow, family & operator labor charge / cow, total costs (annual carrying cost) Cow weight (lbs. : period 1: most crucial of all. Must nurse and rebreed 80 to 85 days. 1 calving, then we are looking at march 1 to may 21. __ to may 21 = spring grazing program (lbs. /da) (lbs/day) (mcal/day) Not critical reproductively, but is for lactation and wwt: we are looking at may 21 to sept. 21. May 21 to __ = cool season grazing. ___ to sept. 21 = cool season grazing. 2 (nutrients of beef cattle: period 3: nutritional needs are at it"s lowest point.
