The average length and circumference of rounds, length and thickness of
 carcasses was 30.2, 30.1, 46.2 and 5.9 inches, respectively, for all 32 steers.
 Differences between ration groups for these four factors and ratings given to
 the color of both the fat and lean tissues were not statistically significant.
 Also, most of the meat samples were considered above average in their degree of
 tenderness, flavor and juiciness and differences between ration treatments were
 not significant. Differences in the area of rib eyes were very small between
 ration groups. Average rib eye areas were 10.3, 10.3, 10.2 and 9.9 square inches
 for groups 1, 2, 3 and 4, respectively.

 A monetary value for the dried celery tops was obtained by comparing the
 costs of equal amounts of the control ration and the rations containing the
 dried celery tops, since only the actual cost of the test material was not known.
 This computation showed that the dried celery tops were worth $3.00 a 100 pounds
 or $60.00 a ton. Additional calculations, based on the actual amounts of dried
 celery tops required to produce a unit of gain showed that the dried celery tops
 were worth approximately $55.00 per ton.

 Preliminary observations, for the digestibility trial, indicated that steers
would not eat the dried celery tops unless it was combined with ground snapped
corn. Therefore, the original ration for the digestibility trial consisted of 3
parts corn and 1 part dried celery tops. After a period of 13 days, in which
the ratio of corn to dried celery tops was reversed and further altered, the
steers consumed straight dried celery tops in sufficient amounts to maintain
body weights. The dried celery tops were fed twice daily for the 7 day pre-
liminary period and the 7 day collection period. The four steers were fed 6.0,
6.0, 6.0 and 6.6 pounds of dried celery tops, daily. The test material con-
tained 82.8 percent dry matter and the feces voided averaged 21.05 percent dry
matter for all four steers. A summary of the results of the digestibility trial
is shown in Table.5.

Table 5. Digestion Coefficients for Dried Celery Tops (f)


Animal Number 1 2 3 4 Average

Initial Weight (lbs) 550 625 550 670 598.9
Final Weight (ibs) 570 620 550 665 601.3
Digestion Coefficients
 Protein 75.5 77.1 77.7 78.4 77.2
 Fiber 83.2 85.9 83.3 83.7 84.0
 NFE 84.7 85.2 87.8 86.6 86.1
 Fat 56.9 62.7 66.7 67.4 63.4

Average TDN 78.0 79.9 80.4 80.2 79.5


 Summary

 Thirty-two Hereford cross-bred steers were divided equally into four groups
and fed a fattening ration in drylot for 112 days. The concentrate mixtures
contained either 0, 10, 20 or 30 percent of dried celery tops. Other ration
ingredients were adjusted so that each mixture contained 12.75 percent crude
protein. The concentrate was full-fed daily and dehydrated Bermudagrass was
provided free-choice.