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Seasonal differences to the effect of nematode parasitism on weight gain of sheep and goats in Cigudeg, West Java I, Beriajaya; Copeman, D.B
Indonesian Journal of Animal and Veterinary Sciences Vol 2, No 1 (1996)
Publisher : Indonesian Animal Sciences Society

This study was designed to investigate the seasonal effect of gastrointestinal nematode parasitism on weight gain of recently weaned sheep and goats in an area of West Java. Most animals were allowed to graze during the day and kept in pens with a raised slatted floor during the night Three trials were conducted in tandem,each for a period of4 months . The effect of parasitism was assesed by comparing weight gain of untreated animals with that of otherwisesimilar group treated each 2 weeks with oxfendazole or albendazole to suppress nematode parasitism . There was no difference between weight gain of treated and untreated sheep and goats during the dry season . Moreover, during the dry season both treated and untreated sheep and goats grew at about twice the rate of untreated animals and 25 percent greater than treated animalsduring the wet season . As faecal egg counts (and, thus, presumably the level of parasitism) were the same throughout the year it was concluded that the low level of nutrition during the wet season was the main determinant affecting pathogenicity of gastrointestinal nematode parasitism in this study. Furthermore, improved nutrition during the wet season in areas similar to that of this study, especially in sheep and goats for the first 10 weeks after weaning, may obviate the need for anthelmintic therapy, being a means to both increase weight gain and negate the effect of nematode parasitism Â Key words: Sheep, goat, oxfendazole, albendazole, nematode parasitism

An estimate of seasonality and intensity of infection with gastrointestinal nematodes in sheep and goats . in West Java ., Beriajaya; Copeman, D.B
Indonesian Journal of Animal and Veterinary Sciences Vol 2, No 4 (1998)
Publisher : Indonesian Animal Sciences Society

Tracer Inoodle tbin-tail sheep and Kacang goats were used to measure the seasonal changes in gastrointestinal nematodes parasitism i ~und[, .xillapek .Fodd~ ofis in West Java . Each 3 months for 12 months worm-free male sheep (5) and goats (5) about 5 months of age were ~ $Jri~tgldI o% ef- farmer, and managed as part of their flock for 2 months . Animals were then returned to the laboratory and maintained on "`~^taaan-ftwAiet in elevated slatted pens for 3 weeks prior to slaughter. In all Â trials sheep had higher faecal egg counts than goats . Egg counts were significantly lower during the late dry-early wet season due mainly to lower burdens of Oesophagostomum spp. than at other times of the year. The predominant genera recovered from faecal larval cultures were Haemonchus and Trichostrongylus . At post mortem more than 94 percent of animals were infected with Trichostrongylus colubriformis, T. axei, Haemonchus contortus, Oesophagostomum columbianwn and Strongyloides papillosus . Other species found, in descending order of occurrence, were Cooperia curticei, Trichuris ovis, Bunostornum trigonocephalum, Oesophagostomumn asperum, Capillaria bovis and Gaigena pachycelis. It was concluded that intensity of exposure of both sheep and goats to H contortus, T. axei and C. curticei was similar throughout the year, but that availability of infectioe larvae of T. colubriformis was higher during the dry than the wet season and vise versa for O. columbianum . Sheep had higher burdens of T. Colubrzformis than goats but similar numbers of other species. Â Keywords: Thin-tail sheep, kacang goats, tracer, gastrointestinal nematode

Population dinamics of Lymnaea rubiginosa in rice fields and its infection with larvae of trematodes ., Suhardono; Copeman, D.B
Indonesian Journal of Animal and Veterinary Sciences Vol 5, No 4 (2000)
Publisher : Indonesian Animal Sciences Society

Field of irrigated rice paddy was the most suitable habitat as breeding site of snail Lymnaea rubiginosa, the intermadiate host of Fasciola gigantica and other trematodes. Fluctuations in the population of fresh water snail, L. rubiginosa in irrigated rice fields and their infection with L. rubiginosa and other trematodes were studied in five villages in the subdistrict of Surade, provivine of West Java. Snail were sampled based on time collection (half man hour) each site of collection. The samples of the snails were further counted and examined for the presence of larval trematodes. The result indicated that snails died during the dry season except those in persistent aquatic refuges such as streams and springs. Surviving snails recolonised rice fields near villages by passive transfer with water from refuges early in the wet season. Some recolonosation may also have resulted from haching of snail eggs deposited in habitats which had not been dried for more than a few weeks. Recolonisation with snails of further rice fields from a village occurred during the later period of the wet season. No snail infected with F. gigantica was found in the distance of more than 200 m from a village. Snail with the highest prevalence of infection occurred in rice fields which received effluent from a cattle pen were fertilised with bovine faeces. Each snail was only infected with one species of tramatodes. Infection with echinostone larvae was most common. Â Kay words: L. rubiginosa, trematode infection, population dynamic

Seasonal differences to the effect of nematode parasitism on weight gain of sheep and goats in Cigudeg, West Java Beriajaya I; D.B Copeman
Jurnal Ilmu Ternak dan Veteriner Vol 2, No 1 (1996)
Publisher : Indonesian Center for Animal Research and Development (ICARD)

This study was designed to investigate the seasonal effect of gastrointestinal nematode parasitism on weight gain of recently weaned sheep and goats in an area of West Java. Most animals were allowed to graze during the day and kept in pens with a raised slatted floor during the night Three trials were conducted in tandem,each for a period of4 months . The effect of parasitism was assesed by comparing weight gain of untreated animals with that of otherwisesimilar group treated each 2 weeks with oxfendazole or albendazole to suppress nematode parasitism . There was no difference between weight gain of treated and untreated sheep and goats during the dry season . Moreover, during the dry season both treated and untreated sheep and goats grew at about twice the rate of untreated animals and 25 percent greater than treated animalsduring the wet season . As faecal egg counts (and, thus, presumably the level of parasitism) were the same throughout the year it was concluded that the low level of nutrition during the wet season was the main determinant affecting pathogenicity of gastrointestinal nematode parasitism in this study. Furthermore, improved nutrition during the wet season in areas similar to that of this study, especially in sheep and goats for the first 10 weeks after weaning, may obviate the need for anthelmintic therapy, being a means to both increase weight gain and negate the effect of nematode parasitism Key words: Sheep, goat, oxfendazole, albendazole, nematode parasitism

An estimate of seasonality and intensity of infection with gastrointestinal nematodes in sheep and goats . in West Java Beriajaya .; D.B Copeman
Jurnal Ilmu Ternak dan Veteriner Vol 2, No 4 (1998)
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Tracer Inoodle tbin-tail sheep and Kacang goats were used to measure the seasonal changes in gastrointestinal nematodes parasitism i ~'und[, .xillapek .Fodd~ 'ofis in West Java . Each 3 months for 12 months worm-free male sheep (5) and goats (5) about 5 months of age were ~ $Jri~tgldI o% ef- farmer, and managed as part of their flock for 2 months . Animals were then returned to the laboratory and maintained on "`~^taaan-ftwAiet in elevated slatted pens for 3 weeks prior to slaughter. In all trials sheep had higher faecal egg counts than goats . Egg counts were significantly lower during the late dry-early wet season due mainly to lower burdens of Oesophagostomum spp. than at other times of the year. The predominant genera recovered from faecal larval cultures were Haemonchus and Trichostrongylus . At post mortem more than 94 percent of animals were infected with Trichostrongylus colubriformis, T. axei, Haemonchus contortus, Oesophagostomum columbianwn and Strongyloides papillosus . Other species found, in descending order of occurrence, were Cooperia curticei, Trichuris ovis, Bunostornum trigonocephalum, Oesophagostomumn asperum, Capillaria bovis and Gaigena pachycelis. It was concluded that intensity of exposure of both sheep and goats to H contortus, T. axei and C. curticei was similar throughout the year, but that availability of infectioe larvae of T. colubriformis was higher during the dry than the wet season and vise versa for O. columbianum . Sheep had higher burdens of T. Colubrzformis than goats but similar numbers of other species. Keywords: Thin-tail sheep, kacang goats, tracer, gastrointestinal nematode

Population dinamics of Lymnaea rubiginosa in rice fields and its infection with larvae of trematodes Suhardono .; D.B Copeman
Jurnal Ilmu Ternak dan Veteriner Vol 5, No 4 (2000): DECEMBER 2000
Publisher : Indonesian Center for Animal Research and Development (ICARD)

Field of irrigated rice paddy was the most suitable habitat as breeding site of snail Lymnaea rubiginosa, the intermadiate host of Fasciola gigantica and other trematodes. Fluctuations in the population of fresh water snail, L. rubiginosa in irrigated rice fields and their infection with L. rubiginosa and other trematodes were studied in five villages in the subdistrict of Surade, provivine of West Java. Snail were sampled based on time collection (half man hour) each site of collection. The samples of the snails were further counted and examined for the presence of larval trematodes. The result indicated that snails died during the dry season except those in persistent aquatic refuges such as streams and springs. Surviving snails recolonised rice fields near villages by passive transfer with water from refuges early in the wet season. Some recolonosation may also have resulted from haching of snail eggs deposited in habitats which had not been dried for more than a few weeks. Recolonisation with snails of further rice fields from a village occurred during the later period of the wet season. No snail infected with F. gigantica was found in the distance of more than 200 m from a village. Snail with the highest prevalence of infection occurred in rice fields which received effluent from a cattle pen were fertilised with bovine faeces. Each snail was only infected with one species of tramatodes. Infection with echinostone larvae was most common. Kay words: L. rubiginosa, trematode infection, population dynamic

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