Keywords
Swine day, 1983; Kansas Agricultural Experiment Station contribution; no. 84-174-S; Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 442; Swine; Finishing pigs; Antibiotic supplementation
Abstract
Two feeding trials involving a total of 320 head of finishing pigs were used to evaluate the effect of feeding an antibiotic to three groups selected from within a farrowing group. Pigs were divided by weight into group A (heaviest 50%), group B (25-50%) and group C (lightest 25%). Each group was assigned treatments of either 4 weeks of 100 gm of tylan-sulfa followed by 4 weeks of 40 gm/ton of tylan or no antibiotic for the 8-week trial. All groups responded to antibiotic feeding the initial 4 weeks with improved growth rate. The second 4 weeks resulted in a mixed response in that some groups not receiving antibiotic showed a compensatory gain. No group treatment interaction was observed. Eight-week performance of all groups would not indicate any advantage to feeding antibiotic to the finishing pig, regardless of weight.; Swine Day, Manhattan, KS, November 10, 1983
Recommended Citation
Hines, Robert H.
(1983)
"Response of varying weight groups of finishing pigs to antibiotic supplementation (1983),"
Kansas Agricultural Experiment Station Research Reports:
Vol. 0:
Iss.
10.
https://doi.org/10.4148/2378-5977.6100
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