The Effect of Oleandomycin on the Performance of the Young Growing Pig

Hawbaker, J. A.; Díaz, Francisca; Speer, V. C.; Hays, V. W.; Catron, D. V.

doi:10.2527/jas1960.193800x

Cited by 6 publications

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“…In both American trials where oleandomycin improved performance (Magruder et al, 1958;Hawbaker et al, 1960) ad lib. In both American trials where oleandomycin improved performance (Magruder et al, 1958;Hawbaker et al, 1960) ad lib.…”

Section: Discussionmentioning

confidence: 99%

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The supplementation of pig diets with oleandomycin

1963

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SUMMARYA trial is described in which normal rations containing oleandomycin at 12½ and 25 g. per ton of meal and without the additive were given to females and castrates which had previously received creep feed with and without oxytetracycline.A total of 48 pigs were individually fed on the rations from 50 to 200 lb. live-weight, a restricted scale of intake based on live-weight being adopted.Between 50 and 100 lb. live-weight rate and efficiency of gain were significantly better in pigs which had not received antibiotic in the creep feed. No other treatment had any significant effect on performance.Oleandomycin did not influence carcass measurements or dressing percentage. Minimum depth of fat at the mid-back was significantly greater in pigs which had received oxytetracycline in the creep feed while castrates had a significantly greater depth of fat at the shoulder and mid-back compared with females.Pigs receiving the lower level of oleandomycin had significantly lighter kidneys than the control animals. Other visceral weights were not significantly influenced by the antibiotic, but females had significantly heavier kidneys, spleen and liver weights than castrates.

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Section: Discussionmentioning

confidence: 99%

“…Favourable results were also obtained by Hawbaker et al (1960) who reported the optimum level of oleandomycin supplementation for growing pigs to be 11 -2 g. per ton of feed. In a subsequent trial with growing pigs, dietary levels of 2 to 10 g. oleandomycin per ton of feed produced growth responses varying from 1 to 6 %.…”

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confidence: 84%

The supplementation of pig diets with oleandomycin

1963

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“…ECONOMIC improvements in live-weight gain and feed conversion efficiency, following the inclusion of oleandomycin in pig diets, have been reported by Magruder et al (1958), Hawbaker et al (1960), and Vernon, Mercer and Rosen (1962). Two trials have been conducted at this centre.…”

Section: School Of Agriculture University Of Newcastle Upon Tynementioning

confidence: 87%

Effects of oxytetracycline and oleandomycin. Separately and together in pig diets

1964

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1. Normal rations containing oleandomycin (2·5 g./ton), oxytetracycline (10 g./ton) and oleandomycin (2·5 g./ton)plus oxytetracycline (10 g./ton) were given to females and castrates which had previously received creep feed with or without oxytetracycline.2. Forty-eight pigs were individually fed on the rations from 50 to 200 lb. live-weight, a restricted scale of intake based on live-weight being adopted.3. Pigs receiving the mixed supplement and those given oxytetracycline alone grew significantly faster and utilised their feed more efficiently than those given oleandomycin alone. Differences between the mixed supplement group and those receiving oxytetracycline were not significant.4. Treatment with antibiotic, either in the creep feed or after weaning, had no effect on carcass measurements. Females had less depth of fat at the shoulder, mid-back and loin compared with castrates and the carcasses were significantly longer.5. Visceral weights were not influenced by antibiotic treatment but pigs supplemented with oleandomycin had a shorter gut than those receiving a combination of antibiotics. There was a significant reduction in gut weight n i pigs which had received unsupplemented creep feed but no consistent effect on the thickness of the intestine wall or gut diameter. Females had significantly heavier kidneys and spleens than castrates.

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Mineral and Vitamin Sources and Nonnutritive Feed Additives

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Maner²

1984

Swine Production and Nutrition

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The Effect of Oleandomycin on the Performance of the Young Growing Pig

Cited by 6 publications

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The supplementation of pig diets with oleandomycin

The supplementation of pig diets with oleandomycin

Effects of oxytetracycline and oleandomycin. Separately and together in pig diets

Mineral and Vitamin Sources and Nonnutritive Feed Additives

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