| the efficacy of some pour-on insecticides for the control of long-nosed sucking lice (linognathus vituli) on cattle. | | 1979 | 292903 |
| the influence of light infestations of linognathus vituli on the growth of young cattle. | groups of hereford weaners carrying naturally acquired infestations of l. vituli were allocated to a factorial experiment to examine the effect of lice treatment, sex and nutrition on growth rate during winter and early spring. plane of nutrition was the only factor influencing growth rate over this period. in untreated groups of cattle, the plane of nutrition influenced the lice score but lice score did not influence growth rate. | 1977 | 614023 |
| louse and mite infestation in domestic animals in northern nigeria. | records of domestic animals brought to the veterinary entomology laboratory for diagnosis of suspected lice and mite infestation over a 10 year period were analysed. from a total of 794 suspected cases, 137 (17.3%) and 247 (31.1%) were positive for lice and mange mites respectively. the most common lice species recorded were linognathus vituli (66.7%) on cattle, l. ovillus (83.3%) on sheep, haematopinus suis (100%) on pigs and menacanthus stramineus (54.5%) on poultry. other lice species recorde ... | 1992 | 1305335 |
| blood parameters and turnover data in calves infested with lice. | erythrokinetic and plasma protein turnover studies using 51cr-red cells, 59fe-transferrin and 125i-albumin, were carried out on young ayrshire calves naturally infested with the long-nosed sucking louse linognathus vituli. throughout the trial none of the animals lost their appetite. liveweight gain was greater in the uninfested animals but not significantly so. the infestation did not cause the animals to become anaemic, but plasma iron turnover rates were decreased and there was a significant ... | 1992 | 1553437 |
| the influence of cattle lice (damalinia bovis and linognathus vituli) on weight gain in beef animals. | | 1974 | 4524880 |
| cattle lice in new zealand: observations on the biology and ecology of damalinia obovis and linognathus vituli. | | 1980 | 6936664 |
| the efficacy of phosmet as a "pour-on" for the control of long-nosed sucking lice (linognathus vituli) on cattle. | | 1981 | 7038569 |
| the effect of lice infestation on the growth of hereford calves. | two experiments were carried out to examine the effects of cattle lice on the productivity of young calves. in both experiments the main species present was linognathus vituli. in the first experiment, treatment of grazing heifers and their suckled calves did not improve the overall bodyweight gain of either the heifers or the calves. the calves experienced a rapid build-up in lice populations during autumn and early winter which was associated with mild transient pathogenic effects, but this wa ... | 1982 | 7138434 |
| effects of artificially induced infestations of the cattle louse, linognathus vituli. | groups of white shorthorn calves, stanchioned to prevent self-grooming and given high or low levels of nutrition, were exposed to artificial infestations of the cattle louse, linognathus vituli. undernutrition caused a significant (p = 0.03) increase in lice numbers. lice did not significantly affect percentages of packed cells, lymphocytes, polymorphs and eosinophils or the number of red and white cells. calves were always able to control lice infestations without self-grooming. | 1980 | 7225006 |
| efficacy of abamectin against ectoparasites of cattle. | four trials, using 48 european breed cattle, were conducted to evaluate the efficacy of abamectin against the louse species linognathus vituli, haematopinus eurysternus and damalinia bovis and against the mange mites sarcoptes scabiei var bovis and psoroptes ovis. animals were allocated by restricted randomisation based on parasite counts to treatment with abamectin at a dose of 200 micrograms/kg given subcutaneously or to an untreated control group. ectoparasites were counted before treatment a ... | 1993 | 8517005 |
| theileria sergenti: experimental transmission by the long-nosed cattle louse, linognathus vituli. | | 1993 | 8561530 |
| doramectin systemic activity against cattle grubs, hypoderma lineatum and h. bovis (diptera: oestridae), and cattle lice, bovicola bovis (mallophaga: trichodectidae), linognathus vituli and solenopotes capillatus (anoplura: linognathidae), and haematopinus eurysternus (anoplura: haematopinidae), in wyoming. | seven individual trials were conducted in wyoming to evaluate the therapeutic efficacy of doramectin administered subcutaneously at a dosage of 200 micrograms kg-1 against multiple, natural infestations of cattle grubs or cattle lice. insect species present and the number of trials that included each species were: hypoderma lineatum, 2; hypoderma bovis. 1; bovicola bovis, 5; haematopinus eurysternus, 1; linognathus vituli, 5; and solenopotes capillatus, 3. examinations for lice were performed pr ... | 1996 | 8966997 |
| density and distribution of cattle lice (phthiraptera:haematopinidae, linognathidae, trichodectidae) on six steers. | the density and distribution of four species of cattle louse, bovicola bovis (l.). haematopinus eurysternus (nitzsch), linognathus vituli (l.), and solenopotes capillatus (enderlein), were elucidated from the hides of six slaughtered steers. adult and nymphal lice were first removed from one hide by hand and the location of each specimen mapped. the remaining lice were removed by a detergent wash, and koh dissolution of hide and hair. lice from the remaining five hides were removed using koh dis ... | 1997 | 9195738 |
| sucking lice (anoplura) of mammals of tennessee. | twenty-five species of sucking lice are recorded from wild and domestic mammals, including humans, from tennessee. collections of 10 of these species (haematopinus eurysternus, hoplopleura captiosa, hoplopleura hirsuta, hoplopleura oryzomydis, hoplopleura trispinosa, linognathus africanus, linognathus setosus, linognathus vituli, neohaematopinus sciuropteri and polyplax auricularis) represent newly documented state records. host specificity was exhibited by 22 species of lice with each of these ... | 1997 | 9221741 |
| prevalence of sucking and chewing lice on cattle entering feedlots in southern alberta. | beef calves from 2 sources entering southern alberta feedlots in the winters of 1997-98 and 1998-99, were surveyed for the presence of lice. a random sample of multiple source (ms), that is, auction market-derived, calves entering commercial feedlots and single source (ss) calves entering a backgrounding feedlot were examined for the presence of lice at entry to the feedlot. a standardized examination, which involved hair-part examination of 8 louse predilection sites, was conducted on each sele ... | 2001 | 11326630 |
| eradication of lice in cattle. | the purpose of this field study was to develop and evaluate eradication as a strategy to control lice in cattle. thirty-three herds of cattle were selected and observed during a period of two and a half years. before eradication, biting lice (damalinia bovis) were present in 94% of the herds and 27% of the animals. sucking lice (linognathus vituli) were present in 42% of the herds and 5% of the animals. these levels were very similar to those reported from other countries in northern europe. the ... | 2001 | 11455904 |
| efficacy of a 1% lambdacyhalothrin cattle pour-on (saber) against sucking and biting lice infesting beef cattle. | four studies were conducted to determine the efficacy of a 1% lambdacyhalothrin pour-on (saber pour-on, schering-plough animal health) for control of sucking lice (linognathus vituli, haematopinus eurysternus, solenopotes capillatus) and biting lice (damalinia bovis) on beef cattle. seventy-four mixed-breed cattle naturally infested with one or more species of lice at locations in wisconsin, nebraska, oklahoma, and north dakota were included in the study. pretreatment lice samples were taken and ... | 2002 | 12584675 |
| anaemia and mortality in calves infested with the long-nosed sucking louse (linognathus vituli). | young calves which died on three dairy farms in england and wales had generalised pallor and heavy infestations of the long-nosed sucking louse, linognothus vituli. surviving calves had packed-cell volumes, haemoglobin concentrations and red blood cell counts below the reference ranges, consistent with anaemia, and they were also heavily infested with lice. no other causes of anaemia were identified. it is proposed that heavy infestations with l. vituli should be considered when investigating th ... | 2003 | 12934729 |
| efficacy of eprinomectin against linognathus vituli and bovicola bovis on calves. | | 2005 | 15704552 |
| [treatment of linognathus vituli and bovicola bovis infestations of calves with cypermethrin]. | this study has been conducted to determine the efficacy level of cypermethrin on the 14 calves that were naturally infested by linognathus vituli and bovicola bovis. a 10% solution of cypermethrin was diluted to 0.1% and applied to infested animals twice. all l. vituli were found to be dead after the fourth day of the first application and the second day of the second application. after the first day of application, all of the b. bovis were found dead at the end of each treatment. this study con ... | 2007 | 17918062 |
| linognathus vituli (anoplura: linognathidae): population growth, dispersal and development of humoral immune responses in nai;ve calves following induced infestations. | growth of linognathus vituli populations following establishment at a point source was followed for 16 weeks on eight louse-naïve holstein calves. dispersal of lice from the point of infestation (withers) was monitored by examination of known louse predilection sights. mean louse indices increased during the initial weeks reaching maximum mean values at 8 weeks post-infestation (p.i.). subsequently, mean indices decreased, reaching a plateau that persisted through weeks 14 and 15 p.i. there was ... | 2002 | 12237142 |
| persistent activity of moxidectin pour-on and injectable against sucking and biting louse infestations of cattle. | to evaluate the persistent activity of pour-on and injectable moxidectin against natural challenge by sucking (predominantly linognathus vituli) and chewing (bovicola bovis) cattle lice, 96 mixed-breed calves that had been treated to remove all lice were blocked by body weight and randomly allocated to three treatments: untreated control, moxidectin at 500 microg/kg by topical application and moxidectin at 200 microg/kg by subcutaneous injection. twelve pens were blocked into groups of four and ... | 2002 | 11836032 |
| efficacy of chlorfenapyr (ac 303630) experimental pour-on and cylence formulations against naturally acquired louse infestations on cattle in new york. | the four chlorfenapyr formulations examined provided 100% control of both the nymphal and adult stages of naturally acquired bovicola bovis (l.) on cattle up to 35 days after application. treatment with 6mg chlorfenapyr per kg bw in a 0.12ml per kg bw formulation was as effective as treatment with cylence (cyfluthrin) in controlling naturally acquired solenopotes capillatus (enderlein) on cattle for 35 days. percent reduction was never greater than 90% with any chlorfenapyr application against l ... | 2001 | 11358627 |
| the persistent efficacy of doramectin pour-on against biting and sucking louse infestations of cattle. | a repeated-exposure challenge model was used to evaluate the pour-on formulation of doramectin in preventing the establishment of louse infestations in cattle. twenty calves cleared of preexisting biting and sucking louse infestations were randomly and equally allocated to either a doramectin-treated or untreated control group, with five replicates per group. doramectin pour-on was administered topically at a dose rate of 500 microg/kg body weight. every 14 days, from a pool of seeder calves wit ... | 2000 | 10622610 |
| efficacy of a pour-on formulation of doramectin against lice, mites, and grubs of cattle. | to determine effectiveness of a pour-on formulation of doramectin against damalinia bovis, haematopinus eurysternus, linognathus vituli, solenopotes capillatus, chorioptes bovis, sarcoptes scabiei, hypoderma bovis, and hypoderma lineatum. | 1999 | 10211679 |
| eprinomectin: a novel avermectin for control of lice in all classes of cattle. | eight trials were conducted in the united states to determine the efficacy of eprinomectin applied topically against four common species of lice in cattle. in two dose titration trials, eprinomectin dosages of 125 to 750 mcg/kg body weight applied topically were compared to untreated controls. in dose confirmation studies, animals treated topically with eprinomectin applied at the rate of 500 mcg/kg were compared to vehicle-treated controls. four species of lice were present in these trials: lin ... | 1997 | 9477501 |
| evaluation of the protective efficacy of doramectin against sucking lice of cattle. | the protective efficacy of doramectin against sucking lice was evaluated under natural challenge conditions in canada. two studies with a similar experimental design were conducted in sequence. in each study, two groups of louse-free cattle received either doramectin at a dose of 200 micrograms/kg by subcutaneous injection or no treatment and were then mixed with louse-infested animals for the winter housing period. all animals were examined for lice on treatment day and thereafter at weekly int ... | 1997 | 9403980 |
| eprinomectin: a novel avermectin for use as a topical endectocide for cattle. | eprinomectin (mk-397 or 4"-epi-acetylamino-4"-deoxy-avermectin b1) is a novel avermectin selected for development as a topical endectocide for all cattle, including lactating dairy cows. herein, we show its anthelmintic, insecticidal and miticidal activity. to determine its anthelmintic capabilities, eprinomectin was tested topically on jersey calves at 0.08, 0.2, or 0.5 mg kg-1 in a probe formulation against experimental infections of adult haemonchus placei, ostertagia ostertagi, trichostrongy ... | 1996 | 9024867 |
| field efficacy of moxidectin 0.5% pour-on against chorioptes bovis, damalinia bovis, linognathus vituli and psoroptes ovis in naturally infected cattle. | field efficacy of a pour-on formulation of moxidectin, a macrocyclic lactone endectocide, was evaluated in cattle naturally infested with chorioptes bovis, damalinia bovis, linognathus vituli and psoroptes ovis. in trial 1, two experimental groups of cattle naturally infested with p. ovis were formed. group 1 animals remained as untreated controls whereas group 2 animals were treated on day 0 with 0.5% moxidectin cattle pour-on at a dose of 0.5 mg kg-1 bw. efficacy was assessed by (a) taking ski ... | 1996 | 8792586 |
| effects of the sucking louse (linognathus vituli) on the grooming behaviour of housed calves. | the behaviour of cattle with and without louse infestation was studied for eight weeks. thirty-two crossbred calves were housed in groups of four at 20 weeks old. sixteen of the calves were artificially infested with the long-nosed cattle louse linognathus vituli and 16 were left uninfested as controls. in infested animals the number of lice on the shoulders averaged 2.3 per 10 cm length of parted hair. the recorded frequency of irritation, manifested by rubbing and self-licking, was significant ... | 1995 | 8525579 |
| lice of farm animals in libya. | this first report on the lice of farm animals in libya lists a total of fifteen species, as follows: haematopinus quadripertusus and linognathus vituli from cattle, bovicola ovis, linognathus pedalis, l. africanus and l. ovillus from sheep, l. stenopsis, l. africanus and bovicola caprae from goats. poultry harboured lipeurus caponis, l. heterographus, menacanthus stramineus, menopon gallinae, goniocotes gallinae, goniodes gigas and g. dissimilis. | 1993 | 8481530 |
| spectrum of activity of doramectin against cattle mites and lice. | a series of 16 studies was conducted involving 288 cattle with naturally acquired or experimentally induced mite or louse infestations to evaluate the efficacy of doramectin. four studies were conducted against the mite species psoroptes bovis and two against the mite species sarcoptes scabiei. ten studies involved cattle with one or more of the following louse species: damalinia bovis, haematopinus eurysternus, linognathus vituli and solenopotes capillatus. in each study, a group of at least ni ... | 1993 | 8236741 |
| the efficacy of injectable and pour-on formulations of moxidectin against lice on cattle. | the efficacy of one administration of moxidectin against natural infestations of the 3 common species of cattle lice in australia: linognathus vituli, damalinia bovis and haematopinus eurysternus, was determined. a high degree of control of l vituli (the long-nosed sucking louse) was achieved with both the cattle injection (96.7% and 100%) at 0.2 mg/kg and the cattle pour-on formulation (94.6% and 100%) at 0.5 mg/kg on the 2 farms where this louse occurred. an injection of moxidectin at 0.2 mg/k ... | 1993 | 8216081 |
| systemic activity of nifluridide against sucking lice and the common scabies mite on cattle. | psoroptes ovis [hering] mites and sucking lice (linognathus vituli linnaeus) were eliminated from light to heavily infested calves with a single subcutaneous injection of nifluridide in five separate experiments. the compound was incorporated in a copolymer vehicle in a sesame oil suspension. in the first two experiments, mites were eliminated within 10 days following a 20 mg kg-1 injection. eight out of 9 calves were cleared of mites within 7 days post injection of nifluridide at 4, 6 and 9 mg ... | 1982 | 6891855 |
| pour-on insecticides for the control of cattle lice (linognathus vituli and damalinia bovis). | | 1974 | 4137114 |
| the control of lice on domestic livestock. | trials showed that existing treatments for lice on cattle were not completely effective. a few long-nosed lice, linognathus vituli survived treatment with louse powder containing gamma hch (bhc), amitraz spray and prolate pour-on (20% phosmet). one treatment with cyhalothrin or cypermethrin gave complete control of all four species of lice infesting cattle in the uk. these synthetic pyrethroids were applied as sprays containing 250 p.p.m. and 1000 p.p.m. of active constituent, respectively. anot ... | 1985 | 4082453 |
| efficacy of ivermectin against ectoparasites of cattle in south africa. | the efficacy of various formulations of ivermectin administered at the recommended dose rate of 200 micrograms/kg was evaluated in cattle infested with mange mites (sarcoptes scabiei var. bovis.), lice (linognathus vituli and damalinia bovis) and ticks (boophilus decoloratus, amblyomma hebraeum, rhipicephalus appendiculatus and hyalomma spp.) in 8 trials conducted in south africa. mange mites (s. scabiei) were eliminated from animals treated subcutaneously, resulting in marked clinical recovery. ... | 1985 | 3839021 |
| effects of low levels of lice and internal nematodes on weight gain and blood parameters in calves in central texas. | the effects of low levels of both biting and sucking lice, a mixed population of nematodes, and a combination of all these parasites were evaluated in calves held in a barn with no environmental controls in central texas. observations at 122 sites on each animal for 16 wk consecutively in 1987 revealed that the largest numbers of all louse species [haematopinus eurysternus (nitzsch). linognathus vituli (l.), and bovicola bovis (l.)] occurred 3-7 wk after infestation. in 1988 l. vituli population ... | 1992 | 1607476 |
| efficiency and safety of methidathion applied as a pour-on systemic insecticide for control of cattle lice. | methidathion applied to cattle as a pour-on insecticide for control of lice (predominantly linognathus vituli, but also haematopinus eurysternus and damalinia bovis) caused a reduction in the lice population of approximately 98% to 99% in laboratory trials at the minimum recommended dose of 4 mg/kg and a 98.8% to 100% efficiency was achieved in field trials. in a comparative efficiency trial in the laboratory methidathion at 3.5 to 5 mg/kg reduced the lice population by 98.8% to 99%, fenthion by ... | 1979 | 94259 |
| mechanical transfer of theileria orientalis: possible roles of biting arthropods, colostrum and husbandry practices in disease transmission. | the intracellular protozoal parasite theileria orientalis has rapidly spread across south-eastern australia, substantially impacting local cattle industries since 2006. haemaphysalis longicornis appears to be a biological vector in the endemic regions. mechanical transfer of blood by biting arthropods, in colostrum or iatrogenic transmission though husbandry procedures is another possible mode of transmission. this study assesses the risk of these mechanical modes of transmission. | 2016 | 26793977 |
| molecular detection of acinetobacter species in lice and keds of domestic animals in oromia regional state, ethiopia. | this study was conducted to determine the presence of acinetobacter and rickettsia species dna in lice and melophagus ovinus (sheep ked) of animals from oromia regional state in ethiopia. from september through november 2011, a total of 207 cattle, 85 sheep, 47 dogs and 16 cats were examined for ectoparasites. results of morphological identification revealed several species of ectoparasites: linognathus vituli (l. vituli), bovicola bovis (b. bovis) and solenopotes capillatus (s. capillatus) on c ... | 2012 | 23285015 |
| survey on blood-sucking lice (phthiraptera: anoplura) of ruminants and pigs with molecular detection of anaplasma and rickettsia spp. | lice may serve as biological or mechanical vectors for various infectious agents. to investigate louse infestation of ruminants and pigs, and pathogens potentially transmitted by them, anopluran lice (n=1182) were collected in hungary, and evaluated for the presence of anaplasma, rickettsia and haemotropic mycoplasma dna. on cattle the following species were found: linognathus vituli (57%), haematopinus eurysternus (38%) and solenopotes capillatus (5%). l. vituli had a lower mean individual coun ... | 2010 | 20943320 |
| a survey of ectoparasitic arthropods on domestic animals in tak province, thailand. | in july 2008 a survey of ectoparasites on domestic animals was conducted in the royal thai army areas of operation along the thai-myanmar border, tak province, thailand. eleven different ectoparasites were collected: two species of hard ticks (ixodidae), three species of fleas (siphonaptera) and 6 species of sucking or chewing lice (2 species each in the suborders anoplura, ischnocera and amblycera) were collected. domestic dogs (canis lupusfamiliaris) (n = 94) were found infested with 2 species ... | 2009 | 19842427 |
| therapeutic and persistent efficacy of spinosad applied as a pour-on or a topical spray against natural infestations of chewing and sucking lice on cattle. | studies were conducted in wisconsin and illinois, usa, to assess and compare the therapeutic and persistent efficacy of spinosad when applied as either a pour-on or topical spray and compared with cyfluthrin pour-on and coumaphos topical spray for controlling natural infestations of chewing (bovicola bovis) and sucking (linognathus vituli, solenopotes capillatus and haematopinus eurysternus) lice on cattle. thirty-five animals at each trial site were blocked according to pre-treatment lice count ... | 2007 | 17027158 |
| persistent activity of moxidectin long-acting injectable formulations against natural and experimentally enhanced populations of lice infesting cattle. | a study was conducted under a common protocol in wisconsin and wyoming, usa, to evaluate therapeutic and persistent efficacy of two long-acting injectable formulations of moxidectin against lice populations infesting cattle. at each site, 30 beef calves were blocked into groups of three based on naturally acquired linognathus vituli populations, then randomly assigned to treatments within blocks. treatments, injected subcutaneously into the proximal third of the ear on day 0, included saline, a ... | 2004 | 15041096 |
| life history parameters of the cattle long-nosed sucking louse, linognathus vituli. | cattle sucking lice, linognathus vituli (l.) (phthiraptera: linognathidae), were obtained from naturally infected cattle and maintained within 'arenas' affixed to the backs of cattle confined in controlled environment chambers maintained at a constant temperature of 15 °c. temperatures measured within the arenas at an ambient temperature of 15 °c were constant at about 34 °c and only slightly above the temperature on nearby skin. the effect of temperature on egg development was determined using ... | 2014 | 24890771 |
| cross-sectional study of cattle lice infestation in the region of nabeul in north-east tunisia. | this cross-sectional study is the first to estimate the prevalence of cattle pediculosis in tunisia. a total of 39 cattle farms in the region of nabeul in north-east tunisia were visited and lice were collected by intensively brushing 789 cattle. the prevalence was estimated to be 20.5% on the farms (8/39) and 4.7% in animals (37/789). collected parasites were examined under a stereomicroscope and three lice species were identified: bovicola bovis, linognathus vituli and haematopinus eurysternus ... | 2013 | 24761739 |