| parasites of domestic and wild animals in south africa. xii. artificial transmission of nematodes from blesbok and impala to sheep, goats and cattle. | sheep were successfully infested artificially with the larvae of haemonchus contortus, trichostrongylus axei, trichostrongylus falculatus and impalaja nudicollis, cultured from the faeces of blesbok naturally infested with these nematodes. haemonchus placei, longistrongylus sabie, trichostrongylus colubrifomis, t. falculatus, impalaia tuberculata and cooperia hungi likewise became established in sheep, goats and calves dosed with larvae cultured from the faeces of infested impala. sheep and goat ... | 1979 | 460820 |
| cryopreservation of the infective larvae of the common nematodes of ruminants. | exsheathed infective larvae (l 3) of 19 species of nematodes were tested for infectivity in either sheep or cattle after they had been frozen in 0,9% nacl solution, stored for a relatively short time in the gas phase of liquid nitrogen and subsequently thawed. in addition, 13 of these species were tested after similar storage for up to 18 months. in sheep, haemonchus contortus, ostertagia circumcincta, trichostrongylus axei, trichostrongylus colubriformis, nematodirus spathiger and oesophagostom ... | 1977 | 566412 |
| parasites of domestic and wild animals in south africa. x. helminths in impala. | two to four impala in the nylsvley nature reserve were culled each month from february 1975-february 1976. two trematode species, 1 cestode species and 13 species of nematodes were recovered from these antelope. of these, fasciola gigantica, gongylonema pulchrum, haemonchus placei and trichostrongylus falculatus are new records for impala. in general, h. placei, longistrongylus sabie and impalaia tuberculata exhibited a similar pattern of seasonal occurrence. adult worms were present during nove ... | 1978 | 572950 |
| parasites of domestic and wild animals in south africa. ix. helminths in blesbok. | four blesbok culled in the rietvlei nature reserve during may 1972 were each infested with trichostrongylus axei and impalaia nudicollis. some of these animals also harboured haemonchus bedfordi, haemonchus contortus, trichostrongylus falculatus, skrjabinema alata and avitellina centripunctata. thirty-two blesbok were culled in pairs at approximately 4-5 week-intervals in the percy fyfe nature reserve from july 1972 to november 1973. adult h. contortus were recovered in fair numbers from buck sl ... | 1978 | 714392 |
| parasites of south african wildlife. xiii. helminths of grey rhebuck, pelea capreolus, and of bontebok, damaliscus dorcas dorcas, in the bontebok national park. | a total of 25 grey rhebuck, pelea capreolus, and 16 bontebok, damaliscus dorcas dorcas, were shot for parasite recovery at bi-monthly intervals in the bontebok national park, south-western cape province, from february 1983 to december 1983 and february 1983 to february 1984, respectively. the grey rhebuck and the bontebok each harboured 9 nematode species and the latter animals 1 cestode species. ostertagia hamata was most abundant and most prevalent in the grey rhebuck and longistrongylus curvi ... | 1992 | 1437019 |
| parasites of south african wildlife. xii. helminths of nyala, tragelaphus angasii, in natal. | the helminths of 77 nyala, tragelaphus angasii, from 4 game reserves in natal, were collected, counted and identified. ten nematode species and 4 nematode genera, a trematode species and paramphistomes, and 2 cestode genera were recovered from the antelope. of these, a cooperia rotundispiculum race, gaigeria pachyscelis, a gongylonema sp., haemonchus vegliai, impalaia tuberculata, an oesophagostomum sp., a setaria sp., trichostrongylus deflexus, trichostrongylus falculatus, the larval stage of a ... | 1991 | 1780128 |
| parasites of south african wildlife. vi. helminths of blue duikers, cephalophus monticola, in natal. | the helminths of 3 blue duikers, cephalophus monticola, from 3 nature reserves in natal were collected, counted and identified. taenia hydatigena larvae, a race of cooperia rotundispiculum, gongylonema angistris, trichostrongylus falculatus and trichostrongylus rugatus appear to be new parasite records for blue duikers in south africa. | 1991 | 2052315 |
| cryopreservation of some common nematodes of ruminants for up to 11,3 years. | infective larvae of selected batched of the following nematode species from sheep and cattle were examined for survival and infectivity (by injection into either the abomasum, the duodenum, or the jugular vein) after having been stored in liquid nitrogen for 103-136 months: haemonchus contortus, haemonchus placei, ostertagia circumcincta, ostertagia ostertagi, marshallagia marshalli, cooperia spp., trichostrongylus axei, trichostrongylus colubriformis, trichostrongylus falculatus, nematodirus sp ... | 1990 | 2338992 |
| parasites of south african wildlife. iv. helminths of kudu, tragelaphus strepsiceros, in the kruger national park. | during ongoing surveys of parasites of wild animals in the kruger national park, a total of 96 kudu. tragelaphus strepsiceros, were culled in the southern part of the park at monthly intervals from april 1981 to march 1983. a single kudu was shot in the same area in november 1983. two more kudu were obtained from pafuri in the northern part of the park during october 1981 and another from near satara in the central part of the park during october 1982. the helminths of all the kudu were collecte ... | 1989 | 2748130 |
| the helminth parasites of various artiodactylids from some south african nature reserves. | the helminth species composition and helminth burdens of 4 grey duikers, 12 bushbuck, 2 nyala, 2 giraffe, a steenbok, an oribi, a waterbuck and a tsessebe from the kruger national park (knp); of a steenbok and a greater kudu from the farm riekerts laager, transvaal; of a single blue duiker from the tsitsikama forest national park, and of a blue wildebeest, a red hartebeest, a gemsbok and 2 springbok from the kalahari gemsbok national park (kgnp) were collected, counted and identified. new parasi ... | 1986 | 3725333 |
| the helminths of various antelope species from natal. | helminth parasites were collected from 2 bushbuck, tragelaphus scriptus, 2 red duiker, cephalophus natalensis, 1 oribi, ourebia ourebi, and 4 reedbuck, redunca arundinum, that died or were culled in various parts of natal. one trematode genus, 1 cestode genus and 12 nematode species were recovered. haemonchus contortus. ostertagia harrisi, trichostrongylus capricola, trichostrongylus vitrinus, cooperia rotundispiculum and setaria scalprum are new parasite records for the red duiker. trichostrong ... | 1984 | 6241958 |
| the helminth fauna of the digestive tracts of chacma baboons, papio ursinus, from different localities in the transvaal. | all of the 111 baboons examined from the loskop dam, suikerbosrand and scrutton nature reserves and the sabie-tweefontein forest reserve were infested with helminths of the digestive tract. the helminths recovered were bertiella studeri, enterobius vermicularis, oesophagostomum bifurcum, physaloptera caucasica, streptopharagus pigmentatus, strongyloides fülleborni, trichostrongylus falculatus, trichuris trichiura and females of trichuris which possibly belong to a new species. most baboons harbo ... | 1984 | 6533507 |
| methods of infesting sheep with gastro-intestinal nematodes after cryopreservation: dosing of larvae in gelatin capsules compared to dosing of larvae in water suspension. | cryopreservation of the infective larvae (l3) of nematodes is being used increasingly for the routine maintenance of pure strains of nematodes in the laboratory. gelatin capsules are frequently used to administer the l3 of nematodes to sheep, but with some nematode species this method usually does not give good results with cryopreserved larvae. the development in sheep of cryopreserved l3 of trichostrongylus spp. and other ovine nematodes was compared when the larvae were administered either in ... | 1984 | 6533514 |
| some helminth and arthropod parasites of the grey duiker, sylvicapra grimmia. | sixteen grey duikers were culled on the farm riekert 's laager in the central transvaal at irregular intervals from may 1979-march 1981. one trematode species, 3 cestode species and 16 nematode species were recovered from these animals. of these the following are new helminth records for this antelope: cooperia hungi , cooperia neitzi , cooperia pectinata , trichostrongylus axei, trichostrongylus colubriformis, trichostrongylus falculatus , trichostrongylus instabilis , impalaia tuberculata , ne ... | 1983 | 6676685 |
| the seasonal incidence of helminth parasites of cattle in the eastern transvaal lowveld. | two helminth-free tracer calves were exposed to natural helminth infestation of a farm in the eastern transvaal lowveld for one month. on a nearby farm calves grazed with the herd for at least 3 months before slaughter so that the cumulative worm burden could be determined. the gastro-intestinal parasites increased markedly after rain. the major species and order or prevalence were: cooperia pectinata, cooperia punctata, haemonchus placei and oesophagostomum radiatum; minor species were bunostom ... | 1982 | 7175905 |
| survival and development of larvae of the common nematodes of ruminants after long-term cryopreservation and investigation of different routes of infestation. | exsheathed infective larvae (l3) of 16 species of nematodes were tested for infectivity in either sheep or cattle after they had been frozen and stored in 0,09% nacl solution in the gas phase of liquid nitrogen for periods of up to 59 months. a mean of greater than 90% of the l3 of haemonchus contortus, ostertagia circumcincta, trichostrongylus axei, trichostrongylus colubriformis, nematodirus spathiger, oesophagostomum columbianum and chabertia ovina of sheep and haemonchus placei, ostertagia o ... | 1980 | 7465164 |
| parasites of south african wildlife. xv. helminths of scrub hares, lepus saxatilis in the kruger national park. | a total of 145 scrub hares from three localities in the kruger national park were examined for helminths: 124 at skukuza, 15 at shingwedzi, and three each at pretoriuskop and pafuri. trichostrongylus deflexus was the most prevalent and most abundant nematode, and was collected from hares from all four localities. trichostrongylus falculatus was present in three localities. trichostrongylus thomasi and dermatoxys vlakhaasi occurred only at skukuza in 50 and 23%, respectively, of the hares examine ... | 1997 | 9551480 |
| helminths in sympatric populations of mountain reedbuck (redunca fulvorufula) and gray rhebok (pelea capreolus) in south africa. | helminths of mountain reedbuck (redunca fulvorufula fulvorufula) and gray rhebok (pelea capreolus) were investigated in south africa between june 1999 and february 2002. forty-one mountain reedbuck were culled at sterkfontein dam nature reserve over 8 different periods, and 25 mountain reedbuck were culled at tussen die riviere nature reserve over 3 different periods. a total of 17 kinds of helminths were found at the 2 sites, including 15 nematodes, 1 trematode, and 1 cestode. at sterkfontein, ... | 2005 | 17089756 |
| efficacy of a combined oral formulation of derquantel-abamectin against the adult and larval stages of nematodes in sheep, including anthelmintic-resistant strains. | derquantel (dql), a semi-synthetic member of a novel anthelmintic class, the spiroindoles, in combination with abamectin (aba) [as the combination product startect(-«)] is a new entry for the treatment and control of parasites in sheep. the 19 studies reported herein were conducted in australia, new zealand, south africa and the united kingdom to demonstrate the efficacy of derquantel-abamectin (dql-aba) against a broad spectrum of gastrointestinal and respiratory nematodes of sheep, and to supp ... | 2011 | 21684691 |