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- Title
The acaricidal efficacy of peracetic acid and deltamethrin against the fowl tick, Argas persicus, infesting laying hens.
- Authors
Khater, Hanem; Seddiek, Shaker; El-Shorbagy, Mohamed; Ali, Ali
- Abstract
The fowl tick, Argas persicus (Oken), is of veterinary importance as a parasite of poultry and wild birds. The antitick efficacy, in vitro and in vivo, of peracetic acid (PAA) and deltamethrin (DMT) was tested separately against A. persicus through the dipping technique. PAA (0.5 %) was highly efficient against soft tick larvae ( A. persicus), resulting in 100 % mortality after 2 min. The lethal concentrations LC and LC were 0.310 and 0.503 %, respectively. The lethal time values LT and LT were 5.34 and 40.00 min, respectively, after treatment with PAA (0.25 %). Two minutes after exposure to DMT, LC and LC values were 0.033 and 0.052 % (33.204 and 51.527 mg/L), respectively. The LT and LT values were 27.03 and 305.46 min, respectively, after treatment with 0.025 % DMT (25 mg/L). After dipping in PAA (0.5 %), the chickens did not show respiratory signs or inflammation on the eyes and/or skin. By contrast, temporary coughing, sneezing, and ocular inflammations without dermatitis were observed in chickens dipped in DMT (0.05 % or 50 mg /L). Seven days posttreatment (PT), the reduction in the percentages of A. persicus infesting laying hens were 99.15 and 63.42 % after dipping in PAA and DMT, respectively. However, complete elimination of the number of ticks occurred after 28 days PT with DMT. PAA inhibits molting effectively (28 %) when compared with that of DMT (52 %). Results indicated that PAA is a more potent and promising acaricide against A. persicus (in vitro and in vivo) than DMT.
- Subjects
ARGAS persicus; POULTRY parasites; BIRD parasites; PERACETIC acid; DELTAMETHRIN; HENS; ARGASIDAE; DISEASES
- Publication
Parasitology Research, 2013, Vol 112, Issue 1, p259
- ISSN
0932-0113
- Publication type
Article
- DOI
10.1007/s00436-012-3133-1