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Query: UMLS:C0851341 (infestation)
 10,121 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

In order to evaluate the effectiveness of 1% gamma-BHC emulsion against head louse infestation, 1,527 school children were examined using observation by ocular and combing methods were used and infested children were treated with three regimes of 1% gamma-BHC emulsion. An overall infestation rate of 40% was found. The infestation rate was highest in Tung-Kuang Primary School (59%) and lowest in Chien-Hua Primary Schools (7%). The rate was highest among school children grade 2 (45%) and lowest in grade 3 (35%). The rate of girls (65%) was much higher than that of boys (9%). A total of 443 lice were collected from 78 infested school girls: 56 males, 59 females, and 328 nymph. The average number of head lice in each infested girl was 5.7. Follow-up examination was conducted one week after treatment. The cure rates for dosages of 10.0 ml, 5.0 ml, and 2.5 ml 1% gamma-BHC emulsion were 96%, 88%, 68% for girls and 100%, 92%, and 33% for boys, respectively. Only mild and transient itching and burn sensation of scalp were reported by a few children. The overall infestation rate 5 months (April-September 1981) after treatment was 23% (286/1,245). The rate of girls decreased from 65% to 40% and that of boys from 9% to 3%. Results of the present study indicates that 1% gamma-BHC emulsion is an effective pediculicide at a dosage of 5 ml or 10 ml. However, the overall infestation rate remained high (23%) 5 months after treatment. These findings suggest that treatment of head louse infestation must be conducted continuously.
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PMID:Chemotherapy of head louse (Pediculus humanus capitis) infestation gamma benzene hexachloride (gamma-BHC) among school children in Szu-Hu District, Yunlin County, Central West Taiwan. 171 9

Amitraz has been shown to be successful in controlling mange and lice infestations on pigs which had failed to respond to diazinon and gamma-BHC, respectively, and by the use of a prophylactic programme to maintain pig herds mange free. In addition, trials have indicated the elimination of psoroptic mange from sheep by applying the compound to the animal using either conventional or less conventional methods of treatment. Mixed infections of Chorioptes spp., Psoroptes spp. and Sarcoptes spp., in cattle have also been controlled using spray applications of amitraz, where in some cases organochlorine, organophosphorus and organotin compounds had failed. In a pilot study a heavy infestation of chorioptic mange was controlled on a calf using a pour-on formulation of amitraz.
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PMID:Amitraz in the control of non-ixodide ectoparasites of livestock. 408 50