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The prevalence of cecal threadworms trichostrongylus tenuis in red grouse lagopus lagopus scoticus


, : The prevalence of cecal threadworms trichostrongylus tenuis in red grouse lagopus lagopus scoticus. Oecologia (Berlin) 58(2): 265-268

Of wild red grouse examined, 90% carried threadworms in their intenstinal caeca. Old birds had 30 times as many worms as young birds. Some infections were as high as 30,000 worms. The occurrence of worms in old grouse conformed to the negative binomial distribution.

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Accession: 006740266

DOI: 10.2307/4217026

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Related references

Wilson, G.R., 1983: The prevalence of caecal threadworms (Trichostrongylus tenuis) in red grouse (Lagopus lagopus scoticus). Trichostrongylus tenuis, prevalence and intensity in red grouse, old birds had 30 times as many worms as young birds, male birds had approximately same number of worms as female birds, occurrence of worms in old birds conformed to negative binomia...

Moss, R.; Watson, A.; Trenholm, I.B.; Parr, R., 1993: Caecal threadworms Trichostrongylus tenuis in red grouse Lagopus lagopus scoticus: effects of weather and host density upon estimated worm burdens. Trichostrongylus tenuis ova were counted in faeces from individually marked wild red grouse on Rickarton moor, Scotland, UK, for 8 years. Ova counts varied seasonally and annually. In some years a sudden increase in mid-April was consistent with d...

Shaw J.L.; Moss R., 1989: Factors affecting the establishment of the cecal threadworm trichostrongylus tenuis in red grouse lagopus lagopus scoticus. The resistance of captive reared red grouse to Trichostrongylus tenuis was measured as the proportion of ingested infective 3rd-stage larvae which failed to develop to adult worms. Individual grouse showed wide, repeatable variations in resistance...

Shaw J.L.; Moss R.; Pike A.W., 1989: Development and survival of the free living stages of trichostrongylus tenuis a cecal parasite of red grouse lagopus lagopus scoticus. In the laboratory, yields of infective 3rd-stage larvae of Trichostrongylus tenuis were determined by temperature when moisture was adequate. On the moor, eggs in caecal faeces did not develop to infective larvae during the winter. In summer, deve...

Wilson, G.R.; Wilson, L.P., 1978: Hematology weight and condition of captive red grouse lagopus lagopus scoticus infected with cecal threadworm trichostrongylus tenuis. Red grouse infected with the cecal threadworm T. tenuis developed a mild anemia. Hb and albumin levels in the blood fell but there were no significant changes in the number of red blood cells or their size. In infected birds the numbers of circula...

Watson H.; Lee D.L.; Hudson P.J., 1987: The effect of trichostrongylus tenuis on the cecal mucosa of young old and antihelminthic treated wild red grouse lagopus lagopus scoticus. The caecal mucosa of wild young and adult grouse infected naturally with Trichostrongylus tenuis was examined by means of scanning electron microscopy and compared with adult grouse which had been treated with an anthelmintic. The caecal mucosa of...

Dobson, A.P.; Hudson, P.J., 1994: Population biology of Trichostrongylus tenuis in the red grouse, Lagopus lagopus scoticus. Unknown

Shaw, JL., 1988: Epidemiology of the caecal threadworm Trichostrongylus tenuis in red grouse (Lagopus lagopus scoticus Lath.). Unknown

Shaw, J.L.; Moss, R., 1989: Factors affecting the establishment of the caecal threadworm Trichostrongylus tenuis in red grouse (Lagopus lagopus scoticus). The resistance of captive reared red grouse to Trichostrongylus tenuis was measured as the proportion of ingested infective 3rd-stage larvae which failed to develop to adult worms. Individual grouse showed wide, repeatable variations in resistance...

Hudson, P.J.; Dobson, A.P., 1997: Transmission dynamics and host-parasite interactions of Trichostrongylus tenuis in red grouse (Lagopus lagopus scoticus). Two components of the transmission dynamics of Trichostrongylus tenuis in red grouse are examined and quantified, namely parasite transmission rate and density-dependent reductions in egg production. Age-intensity data for birds of known age sugge...