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Sumartono Sumartono
Laboratorium Parasitologi Fakultas Kedokteran Hewan UGM Yogyakarta
Veterinary

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A STUDY OF PREPATENT PERIODES, DEATH TIMES AND REDUCTION OF BODY WEIGHT IN EXPERIMENTAL RATS (RATTUS NORVEGICUS) INFECTED WITH TRYPANOSOMA EVANSI Sumartono Sumartono; Eryl Sri Rohayati
Jurnal Sain Veteriner Vol 15, No 1&2 (1996)
Publisher : Fakultas Kedokteran Hewan Universitas Gadjah Mada bekerjasama dengan PB PDHI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jsv.8623

Abstract

The prepatent periods of T. evansi, death times and reduction of foody weights of experimental rats (Rattus norvegicus) infected with T. evansi were studied.Twelve rats were divided into four groups (group 1-!V), each group contains of three rats. The rate of the group II, group III and group IV, were infected intraperitonealy with 300, 600 and 2400 T. evansi per rat, respectively. The group I was used as a control group. After infection, their body weight were measured, followed by blood examination and detection of death time everyday.The data were collected then analysed descriptively using regression-correlation between total number of T. evansi wbich were infected, prepatent period, death time and body weight changes.The results of the experiment indicated that the higher dose of T. evansi infected, caused shorter prepatent period and death time, but there were a negative correlation between total number of T. evansi infected and percentage of body weight reduction. The evidence also showed even thought the prepatent period was shorter, all experimental rats died within 5-6 days after T. evansi detected in the peripheral blood.
DYNAMICS OF NUMBER OF NEMATODE LARVAE IN GRASS IN THE PASTURE Joko Prastowo; Sumartono Sumartono
Jurnal Sain Veteriner Vol 15, No 1&2 (1996)
Publisher : Fakultas Kedokteran Hewan Universitas Gadjah Mada bekerjasama dengan PB PDHI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jsv.8641

Abstract

The existence of nematode larvae in a pasture can be used as an indication of infection or reinfection in animal grazing on it. The objective of the current study was to reveal the dynamics of the number of nematode larvae found on the grass of a pasture.Three locations of the pasture of the teaching farm of Faculty of Veterinary Medicine GMU, were chosen as sampling areas. Grass of the areas was cut just on top of the soO five times a day for ten day namely at 5, 6-9 am - 1 pm, 2-5 pm and 6 pm. Following cutting, the grass was kef t m a tube and washed with detergent solution. The washing solution was examined under a stereomicroscope, and the larvae observed were counted. Differences in the number of larvae between locations and collection times were analysed statistically by names of factorial analysis of variance.The results show that the mean number of larvae varies between 03 ± 0.67 and 6.1 ± 2.95 per grass. The number of larvae is not significantly different (F > 0,05). Cutting at however, is influenced by collection time (P < 0,05). Cutting at 5-9 am gives the largest number of larvae, while 6 pm gives the lowest count.  '
Co-Authors Eryl Sri Rohayati Joko Prastowo