Description Usage Arguments Value Examples
bcs.gain.cow
Nutrient requirements to increase body condition score of mature cows
or previously Calved first-calf heifers during the 3rd trimester following weaning
1 2 | bcs.gain.cow(breed.code = 1, mbw.lbs = 1200, initial.bcs = 4,
target.bcs = 6, first.calf = FALSE)
|
breed.code |
Default is 1 = Angus. Breed code must match a code listed in the table 19_1 data file. |
mbw.lbs |
Default is 1200. This value represents the mature, unshrunk bw (lbs) for cows > 3 yrs old. For first calf heifers, calving at 2 yr is assumed. mbw.lbs is the estimated mature weight for first calf heifers, and equations are based on a shrunk bw of 0.85(mbw) at first calving and 0.9(mbw) at second calving. |
initial.bcs |
Default is 4. This value represents the body condition score at the end of the 2nd trimester or at calf weaning. |
target.bcs |
Default is 6. This value represents the target body condition score at calving. |
first.calf |
Default is FALSE. Change to TRUE to adjust requirements for first calf heifers. |
Three tables are printed including nutrient requirement totals, nutrient requirement as a proportion of dry matter intake, and a third table whereby crude protein is adjusted to a ratio of 6:1 for tdn:cp.
1 2 3 | bcs.gain.cow()
bcs.gain.cow(target.bcs=5)
bcs.gain.cow(first.calf=TRUE)
|
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