Alessandro DI CERBO, Sergio CANELLO, Gianandrea GUIDETTI, Raffaella COCCO

A possible correlation between diet, serum oxytetracycline concentration, and onset of reproductive disturbances in bitches: clinical observations and preliminary results

Based on the increase of food-related disturbances in animals and the recent findings concerning the toxicity of oxytetracycline(OTC) presence within pet food, we compared the effectiveness of two commercially available diets in 36 bitches suffering fromreproductive disturbances. We ran a randomized clinical evaluation over a 90-day period. Bitches were randomly assigned to receive acontrol diet (CD) or a nutraceutical diet (ND) and were assessed for the presence of OTC in their sera before and at the end of the study.Sixteen of 18 bitches in the ND group went into heat within an average of 35.5 ± 3.1 days, and 15 of them became pregnant. In the CDgroup, 12 of 18 bitches went into heat within an average of 54.1 ± 3.2 days, and 10 of them became pregnant. A significant decrease inmean OTC serum concentration was observed in bitches belonging to the CD and ND group (P < 0.01). The overall amelioration, inparticular in the ND group, provides new insights for future studies involving the modification of diet in order to restore the normalphysiology of bitches suffering from reproductive disturbances.

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