Response of the Pig to APF, B12 and B12b

Burnside, J. E.; Cunha, T. J. F.; Edwards, H. M.; Meadows, Graham; Lamar, G. A.; Pearson, A. M.; Glasscock, R. S.

doi:10.3181/00379727-74-17844

Cited by 5 publications

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“…In contradiction to these reports, many workers (Becker et aJL. , 1952;Burnside et al 1950;Cunha et al, 1950bCunha et al, ,e,d, 1951Edwards et al, 1950Edwards et al, , 1951 have reported that the growth response to antibiotics was generally greater with the all-vegetable protein diets than with the mixed protein diets. Robinson et al (1952) in an attempt to explain these differences, conducted an experiment with pigs for a period of 15 weeks.…”

Section: Composition Of Dietmentioning

confidence: 99%

Effect of Sodium Sulfate Calcium Level and Source on the Potentiation of Chlortetracycline and Performance of Growing Pigs

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JOHN P. BALIOSUnder the supervision of Professor Richard C. Wahlstrom Experiments designed to study the potentiation of antibiotic in swine were conducted over a two-year period.During the two years, 344 crossbred pigs were used ?n three separate experiments to study the effect of calcium sources and levels, sulfate sources and levels, and phosphorus levels in diets containing different levels of Chlortetracycline. The first experiment was divided into three twoweek periods. During the first two weeks 50 g/ton of Chlortetracycline in the diets increased gain of pigs from 0.68 to 0.72 kg. per day. Pigs fed diets containing Chlortetracycline gained significantly faster when the source of calcium was sulfate rather than carbonate. In the second period, pigs receiving a higher calcium diet with antibiotic grew significantly faster than those fed a low calcium diet. During the third two-week period pigs fed a calcium carbonate diet achieved gains significantly greater than those fed a calcium sulfate diet. On an accumulative basis (0-6 weeks) there were no significant differ-

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Section: Composition Of Dietmentioning

confidence: 99%