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Provedor de dados:  BABT
País:  Brazil
Título:  Effects of Oral Oxytetracycline-Therapy on Wound Progression and Healing Following Aeromonas caviae Infection in Nile Tilapia (Oreochromis niloticus L.)
Autores:  Roy,Anwesha
Abraham,Thangapalam Jawahar
Namdeo,Meshram Supradhnya
Julinta,Roy Beryl
Data:  2019-01-01
Ano:  2019
Palavras-chave:  Aeromonas infection
Intramuscular injection
Antibiotic therapy
Medicated feed
Resumo:  Abstract The effects of oral oxytetracycline (OTC)-therapy against Aeromonas caviae infection as well as the wound progression and healing in intramuscular (IM) and abrasion-immersion (AI) challenged Nile tilapia juveniles were evaluated. The IM challenge caused significantly (p < 0.05) high mortalities (90%) compared to AI challenge (40%). The mortalities recorded in 10 days OTC-fed (72% in IM group and 30% in AI group) and untreated Nile tilapia were significantly (p < 0.05) high compared to positive (5-10%) controls. The reduction in mortalities in OTC-fed Nile tilapia was significant (p < 0.05) with no further mortalities during the post-OTC therapy period. In IM group, the black scar disappearance, re-growth of dermal fibrous tissue and skin growth at the ulcerated region were seen on day 10 OTC-therapy. In contrast, the disappearance of wound scar and growth of skin and scales at the abraded area were noted on day 1-4 post-OTC therapy. On day10 post-OTC therapy, complete disappearance of wound scar with a mild spot at the abraded area was noted. The degree of wound healing was faster only initially with OTC- therapy. Nevertheless, the wounds were healed completely even in the surviving untreated tilapia in 30 days with no scars left behind. The extent of mortalities observed in Nile tilapia during the OTC-therapy period is a serious cause for concern, which require prudent planning on its suitability in tropical aquaculture.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Editor:  Instituto de Tecnologia do Paraná - Tecpar
Relação:  10.1590/1678-4324-2019180766
Formato:  text/html
Fonte:  Brazilian Archives of Biology and Technology v.62 2019
Direitos:  info:eu-repo/semantics/openAccess

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