Meloxicam as adjunctive therapy in treatment and control of porcine respiratory disease complex in growing pigs
Ioannis E. Georgoulakis, DVM, PhD; Evanthia Petridou, DVM, Dr Med Vet; Georgios Filiousis, DVM, Dr Med Vet; Constantinos Alexopoulos, DVM, Dr Med Vet, Diplomate ECAR; Spiros C. Kyriakis, DVM, Dr Med Vet, Diplomate ECAR; Ioannis Papatsas, DVM, Dr Med Vet
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Objective: To determine the efficacy of injectable meloxicam as adjunctive therapy to antimicrobial medication in treatment and control of porcine respiratory disease complex (PRDC) in growing pigs.
Methods: A total of 162 ninety-day-old pigs showing early clinical signs of PRDC were weighed (Day 0) and allocated into two treatment groups, Controls (n = 82) and Meloxicam (n = 80), in a randomized block design (approximately 20 pigs per pen, four pens per treatment per replicate). In-feed chlortetracycline (800 g per tonne; 20 mg per kg body weight per day) was administered to both groups for 8 consecutive days (Days 0 to 7). On Day 0, Controls received a single injection of a placebo and the Meloxicam group received a single injection of meloxicam (0.4 mg per kg body weight). Respiratory signs were assessed per individual animal and per treatment group Days 0 to 7. Frequency of additional injectable medications, mortality rate, and growth rate were assessed until the end of the growing phase (117 days of age; Day 27). The lungs of all dead animals were submitted for bacteriological culture and pathological examination.
Results: Clinical scores, frequency of treatment with additional injectable medications, and mortality rate were lower and growth performance was better in meloxicam-treated animals than in Controls.
Implications: Meloxicam as an adjunct to oral antibiotic therapy may contribute to treatment and control of PRDC by accelerating recovery from respiratory inflammation, enhancing restoration of normal growth rate, and reducing mortality rate.
Keywords: meloxicam, PRDC, porcine respiratory disease complex
Cite as: Georgoulakis IE, Petridou E, Filiousis G, et al. Meloxicam as adjunctive therapy in treatment and control of porcine respiratory disease complex in growing pigs. J Swine Health Prod 2006;14(5):253-257.
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