title: [Antibiotic 26a as a factor stimulating the body growth of Japanese quails (Coturnix coturnix japonica)].
abstract: Groups I and II of Japanese quails were given 50 ppm of oxytetracyclin and 23 ppm of the antibiotic 26a in drinking water during 3 weeks, from the 7th to the 28th day of life. No antibiotics were given to group III. In order to determine the properties of the antibiotic 26a as a stimulator of growth, the mean values of the body weight gains in the individual groups were compared by statistical methods. During the 1st and 2nd weeks of the experiment, the mean body weight gains in group II were the highest, but in the 3rd week the highest gains were noted in group I. During the whole experiment, the quails in group I had an average gain of 63.18 g, those in group II 66,34 g, and those in group III 63,86 g. Highly significant differences were found between the groups and between sexes as far as the body weight gains are concerned. The males showed smaller mean gains than the females, but reacted more distinctly to the stimulating action of the studied antibiotics.
authors.affiliation: Zakład Fizjologii, Roślin Instytutu Biologii UMCS w Lublinie.
authors.forename: J
authors.initials: J
authors.lastname: Jarosz
authors.forename: M
authors.initials: M
authors.lastname: Niespodziewański
mesh_terms: D000821:Animal Feed / Q000592:standards*; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D000900:Anti-Bacterial Agents / Q000008:administration & dosage*; D001835:Body Weight / Q000187:drug effects*; D003370:Coturnix; D005260:Female; D008297:Male; D012737:Sex Factors; D013997:Time Factors; D015430:Weight Gain / Q000187:drug effects*
chemical_list: D000900:Anti-Bacterial Agents