| [structure of the larval integument of goat gadflies]. | the structure and development of the integument of przhevalskiana silenus during the different larval stages are described. the endocuticule of the 1st instar larvae is closely indented with the hypodermis. the indentation is not strong in 2nd-instar larvae and disappears in the third-instar completely. thin plasmatic strings pass through the endocuticule of the 1st and 2nd-instar larvae. in the 3rd-instar larvae many canals are found in the endocuticule, which probably are pore-canals as descri ... | 1978 | 727557 |
| incidence and seasonal activity of przhevalskiana silenus (brauer) in angora goats in turkey. | | 1977 | 898981 |
| observations on the histopathology of warble infestation in goats by the larvae of przhevalskiana silenus. | | 1977 | 930481 |
| [histology of the larval intestinal tract of the goat warble fly przhevalskiana silenus]. | the goat warble fly from afghanistan studied in the present paper should be named przhevalskiana silenus (brauer) (=crivellia silenus brauer) according to recent studies (wetzel 1972). in the present paper the histology of the gut of all three larval stages is described. pharynx and oesophagus are well developed in l1. there are no important histological differences to l2 and l3. in contrast to l2 and l3 in l1 the mid gut runs down in a straight line without any looping. there is a cell clot in ... | 1975 | 1227344 |
| infection by the warble fly przhevalskiana silenus brauer, 1858, in the italian goats. an update up to 1988. | this paper is a review of the work done at the university of bari on the goat warble fly przhevalskiana silenus brauer, 1858. it reports data concerning taxonomy, biology, and epidemiology of the goat warble fly, as well as therapy against the infection. grunin in 1962, and later madel in 1969, were the first researchers to reach the conclusion that the three species of przhevalskiana up to then recognized--namely p. silenus, p. aegagri, and p. crossii--should be unified in just one--przhevalski ... | 1989 | 2487003 |
| efficacy of ivermectin against goat warbles (przhevalskiana silenus brauer). | | 1987 | 3603976 |
| [application of double diffusion in gel methods to the study of the comparative antigenic constitution of late stage larva of hypoderma bovis (geer 1776), przhevalskiana aegagri (brauer 1863) (diptera-calliphoridae) and gasterophilus intestinalis (geer 1776) (diptera-gastrophilidae)]. | | 1970 | 4251963 |
| seasonal occurrence of przhevalskiana silenus brauer (diptera, oestridae) warble flies on goats and sheep in the baghdad area, iraq. | | 1974 | 4447598 |
| [anatomy of larvae and imagos of the goat warble fly crivellia silenus brauer (dipteria, oestridae)]. | | 1970 | 5496033 |
| microorganisms associated with abscesses of sheep and goats in the south of iran. | a total of 86 abscesses (45 and 41) abscesses of sheep and goats, respectively) were examined for their causal agents; 44 of these abscesses were located subcutaneously, and the remaining 42 were in lungs, livers, intestines, and udders. a total of 23 different types of microorganisms were isolated from 78 abscesses; bacteria were not detected in the remaining eight abscesses. microorganisms isolated were: species of the genera corynebacterium, staphylococcus, and streptococcus and pasteurella, ... | 1980 | 6996545 |
| efficacy of ivermectin against goat warbles (przhevalskiana silenus brauer) in pakistan. | | 1994 | 7846827 |
| the goat warble fly, przhevalskiana silenus (brauer) in north sinai, egypt. | during monthly visits to north sinai, a total of 43 living goats out of 2040 (2.11%) were found infested with przhevalskiana silenus (brauer). this was mainly in winter. besides, nodule caused of p. silenus larvae were recovered from 32 out of 98 (32.65%) slaughtered goats in al arish abattoir mainly in summer. the overall infestation rate among slaughtered goats was 11.68 percent. on the other hand, adult flies were collected by baited traps from bir al abd and al hasanah in late spring and ear ... | 1998 | 9707666 |
| mapping goat warble fly distribution and related problems. | this paper analyzes the state of knowledge of the goat warble fly infestation mainly relating to its distribution and the problems that arise in mapping this infestation, namely, the long controversy on the taxonomy, the number of existing species and hosts, the scanty knowledge of some of the morphological features of various species, the presence of the different species in the same host and the same species in different hosts, the presence of the parasites in diverse geographical and zoologic ... | 1997 | 9802106 |
| the prevalence of goat hypodermosis in greece. | goat hypodermosis caused by przhevalskiana silenus is common in greece causing quite serious losses on animal production and breeding, but no data regarding the prevalence of this parasitic disease were available within the last 17 years. towards this end, at the slaughter house of the area of thessaloniki, the number of affected hides due to skin penetration by p. silenus larvae was recorded and the prevalence was assessed to be 54.2%. the mean number of holes found per hide was 27.07 (ranged f ... | 1997 | 9802107 |
| hypoderma lineatum antigen and anti-przhevalskiana silenus antibodies: cross-reactivity and antibody kinetics in naturally infested goats. | to evaluate the cross-reactivity between hypoderma lineatum antigen and anti-przhevalskiana silenus antibodies six protocols with different concentrations of antigen and different dilutions of sera and conjugate were applied. the highest cross-reaction between the h. lineatum antigen and the anti-p. silenus antibodies is given by 2 micrograms/ml of antigen concentration, 1:400 of serum and 1:10,000 conjugate dilution. the study on the kinetic development of antibodies in goats naturally infested ... | 1998 | 10376291 |
| serodiagnosis of goat warble fly infestation by przhevalskiana silenus with a commercial elisa kit. | cross-reactivity between hypoderma lineatum antigen and anti-przhevalskiana silenus antibodies has been demonstrated by an elisa technique. to evaluate the applicability of a commercial elisa kit for the immunodiagnosis of goat warble fly infestation, different dilutions of serum and conjugate were tested, the development of antibody to p silenus in naturally infested goats was studied, and the results were compared with an elisa technique using an antigen extracted from the first instar larvae ... | 1999 | 10423816 |
| further evidence on the internal life cycle of przhevalskiana silenus (diptera, oestridae). | knowledge of the internal life cycle of goat warble fly infestation is scarce despite ample data available on the aetiology, epidemiology, immunodiagnosis and treatment of such infestations. this study was carried out at the slaughterhouse of rossano calabro (cosenza, southern italy) on 154 animals from 10 months to 6 years of age from may 1997 to june 1998. 1206 przhevalskiana silenus larvae were collected during the trial period from the subcutaneous tissue of the slaughtered animals. the larv ... | 2000 | 10714471 |
| differentiation by polymerase chain reaction - restriction fragment length polymorphism of some oestridae larvae causing myiasis. | the cytochrome oxidase i (coi) gene of the most wide-spread italian species of oestridae larvae causing myiasis (gasterophilus spp., hypoderma bovis, hypoderma lineatum, oestrus ovis and przhevalskiana silenus) was amplified by polymerase chain reaction (pcr) using conserved primers. restriction fragment length polymorphism (rflp) of amplicons was also carried out and their restriction profiles compared. a clear genetic difference between the oestridae larvae examined was demonstrated by using t ... | 2000 | 10856816 |
| goat warble fly infestation by przhevalskiana silenus (diptera: oestridae): immunoepidemiologic survey in the basilicata region (southern italy). | the demonstration of serological cross-reactivity between the hypoderma lineatum antigen and anti-przhevalskiana silenus antibodies led us to prepare an immunological test (elisa) for an early diagnosis of goat warble fly infestation. using the hypodermosis elisa-kit (vétoquinol diagnostic, france) produced for the immunodiagnosis of bovine hypodermosis, an epidemiological assay was carried out in basilicata region where goat breeding is very common and no data are reported with regards to the d ... | 2001 | 11921540 |
| evaluation of elisa kit hypodermosis in serodiagnosis of przhevalskiana silenus in goats and cephalopenia titillator in camels. | myiasis is a problem of medical and veterinary importance worldwide. it affects human welfare both directly and indirectly. elisa kit hypodermosis was evaluated in detecting antibodies against two oestrid larvae, przhevalskiana silenus in goats and cephalopina titillator in camels. both animals were parasitologically proved to have oestrid myiasis infestation. antibodies against p. silenus were detected in 38 out of 40 (95%) infested goats and negative results among the control group. with c. ti ... | 1999 | 12561912 |
| efficacy of injectable and pour-on microdose ivermectin in the treatment of goat warble fly infestation by przhevalskiana silenus (diptera, oestridae). | the prophylactic efficacy of microdoses of injectable and pour-on ivermectin formulations against larval stages of przhevalskiana silenus was assessed in naturally infected goats in the region of calabria (southern italy).sixty-eight goats from two goat farms were divided into five groups: one group remained untreated, while the other four groups were treated with microdoses of ivermectin (5 and 10 microg/kg injectable formulation and 10 and 20 microg/kg pour-on formulation). the microdoses of i ... | 2003 | 14580804 |
| [myiasis caused by oestridae: serological and molecular diagnosis]. | myiasis-causing oestridae (bot flies) infect several animal species world-wide, from palaearctic to subtropical/tropical areas. oestrids affect livestock production causing abortion, reduced milk production, losses in weight and fertility, poor hide quality and an impairment of the host's immune system. in the last few years much research has been carried out on the immunology of these infestations, in order to acquire efficient and reliable diagnostic serological tools; the genome of the differ ... | 2004 | 15305710 |
| przhevalskiana silenus myiasis among slaughter goats in northern jordan. | during the period december 1998-may 2000, 900 local goats slaughtered at the irbid abattoir (northern jordan) were examined for the larval instars of przhevalskiana silenus. of 900 goats, 10% (95% ci: 9,13) were infested with p. silenus larvae. only the second and third larval instars were seen. a multiple-regression analysis (with the error variance described by the negative-binomial function) suggested that infestation depended on the month of sampling, and that infestation with live larvae wa ... | 2006 | 16517079 |
| goat warble fly infestation in jordan. | | 2006 | 16814928 |
| [determination of hypoderma bovis and przhevalskiana silenus somatic antigens using sds-page.] | the aim of this study was to examine larval antigens obtained from the third instar larvae of hypoderma bovis and przhevalskiana silenus using the sodium dodecyl-sulphate polyacrylamide gel electrophoresis (sds-page) method. sds-page separation was performed using 12% separation gel and 5% stacking gel. at the end of the sds-page examination, 11 and 19 different polypeptide bands were detected between 6-66 kda and 6-100 kda in the third instar larvae antigen of h. bovis and p. silenus, respectiv ... | 2005 | 17160834 |
| a survey of seasonal infestation with przhevalskiana larvae in slaughtered goats and sheep in south-western iran. | in this research slaughtered sheep and goats were investigated during august 2003-july 2004 at a slaughterhouse in masjed-soleyman, south-western iran. the number of infested animals with przhevalskiana larvae and their age and sex was recorded. collected larvae from infested animals were stored in alcohol-glycerin solution and were studied to determine their morphological properties and species. the data was analyzed by the chi-square test. rate of infestation was 0.2 and 5.3% in sheep and goat ... | 2007 | 19090259 |
| myiasis in domestic animals in israel. | dipteran larvae were collected from wounds of 78 domestic animals. the larvae were identified as follows: wohlfahrtia magnifica, taken from dogs (the majority), goats, sheep, camels, horses and one cat; lucilia sericata, from cats, sheep, one horse, and one dog together with chrysomya albiceps; przhevalskiana silenus from goats and musca domestica from one sheep. the animals were treated with antibiotics, anti-inflammatory agents and insecticides and most animals fully recovered. we believe this ... | 2009 | 19251365 |
| occurrence and biology of goat warble fly infestation by przhevalskiana silenus (diptera, oestridae) in iran. | goat warble fly infestation (gwfi) by the larvae of przhevalskiana silenus is endemic in goats of semi-hilly and mountainous regions of iran. this myiasis has severe economic impact on tanning industries, and it is responsible for impaired milk and meat production, growth retardation and carcass depreciation. to estimate the prevalence of gwfi in the southern areas of iran, from october 2006 to december 2008, the carcasses of 8000 goats at a shiraz slaughterhouse and 1000 each at marvdasht and d ... | 2009 | 19692181 |
| economic impact of przhevalskiana silenus infestation in native goats of northern india. | economic losses incurred by przhevalskiana silenus in goats of jammu province of jammu and kashmir (north india) were assessed from july 2005 to june 2006. abattoir studies revealed holes in hides for 112 days (mid-december 2005 to first week of april 2006) and trimming of carcass for 243 days (july 2005 to february 2006) during a lifecycle, leading to annual losses of rs. 7,391,432 and rs. 10,510,837, respectively. an effect on production traits (weight gain and milk) was assessed on naturally ... | 2011 | 21814752 |
| prevalence and biology of goat warble fly infestation by przhevalskiana silenus in jammu province, india. | examination of 3,960 goats brought from six districts of jammu province and slaughtered at jammu abattoir from july 2005 to june 2006 revealed 47.22% prevalence of larval stages of warble fly (przhevalskiana silenus brauer, 1858) in goats. highest prevalence was recorded in udhampur (56.44%) and lowest in doda district (13.49%). classification of the study area into four zones based on height (meters above sea level), viz., zone i (300-325-ám asl), zone ii (325-800-ám asl), zone iii (800-1,500-á ... | 2011 | 21688088 |
| occurrence and histopathology of przhevalskiana silenus larvae infestation in sheep of jammu, india. | warble fly infestation is primarily a myiasis of cattle and goat. however, a nondescript sheep from an endemic region was observed with nodules under subcutaneous tissue. so, this paper reports infestation of a sheep with przhevalskiana silenus larvae in jammu region of north india. the myiasis was confirmed with parasite morphology and specific histopathological changes observed in cutaneous myiasis. | 2014 | 25035594 |
| field efficacy of minidosed pour-on ivermectin and eprinomectin against goat warble fly infestation by przhevalskiana silenus. | the efficacy of minidose of pour-on ivermectin and eprinomectin formulations against first instar larvae of przhevalskiana silenus was observed in naturally infested goats in the jammu region, north india. the study was performed in mid august 2011. a total of 280 goats were randomly divided in to 7 groups of 40 each. goats of the first three groups were treated with pour-on ivermectin at dosage of 2, 5, and 200 μg/kg body weight, respectively, whereas animals of the fourth to sixth groups were ... | 2014 | 24390793 |
| pathology of natural przhevalskiana silenus infestation in goats. | among the arthropods causing diseases to animals, myiasis causes a broad range of infestations depending on the location of larvae and its developmental stages on the body of the host. these infestations reduce host physiological functions, destroy host tissues and cause significant economic losses to livestock worldwide. this study was conducted to find out the pathological changes of goats tissue infested with przhevalskiana silenus. goat warble fly infestation (gwfi), improperly named goat hy ... | 2012 | 23202597 |