J. Catchpole

Publications48
h-index21
Citations1,127
Highly Influential Citations54
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A new method for the experimental production of necrotic enteritis and its use for studies on the relationships between necrotic enteritis, coccidiosis and anticoccidial vaccination of chickens
A new method for the experimental production of necrotic enteritis in chickens is described. The main features are the use of a diet high in wheat and fish meal content; oral administration of a… Expand
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Review article: coccidiosis of domestic ruminants.
Coccidiosis in ruminants results from complex interactions between hosts and parasites with many external factors influencing the severity of disease. The study of ruminant coccidiosis is still very… Expand
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Giardiasis in lambs at pasture
Faecal samples from a group of lambs at pasture were screened at weekly intervals for nine weeks for the presence of Giardia species using a modified zinc sulphate flotation method. Fifty-nine of 86… Expand
  • 29
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Detection of Cryptosporidium parvum using a specific polymerase chain reaction.
The design and use of polymerase chain reaction primers and probes as reagents for the detection of Cryptosporidium parvum are described. Sensitive and specific amplification of a 329 base pair… Expand
  • 56
  • 3
Eimeria stiedai in rabbits: the demonstration of responses to chemotherapy.
The activity of sulphaquinoxaline, robenidine, methyl benzoquate, clopidol and a mixture of methyl benzoquate and clopidol (Lerbek; Dow), was studied in rabbits infected with hepatic coccidiosis due… Expand
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Experiments with defined multispecific coccidial infections in lambs.
The behaviour of four species of Eimeria was studied in lambs which were given either monospecific or multispecific infections. In the presence of other species the patency of oocyst production of E.… Expand
  • 54
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Redescriptions of Eimeria irresidua Kessel & Jankiewicz, 1931 and E. flavescens Marotel & Guilhon, 1941 from the domestic rabbit.
Eimeria flavescens and E. irresidua from the domestic rabbit are redescribed. The relatively smaller ovoidal oocysts of E. flavescens which measure on average 31.7 X 21.4 micrometer, possess a wide… Expand
  • 25
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A new protocol for a challenge test to assess the efficacy of live anticoccidial vaccines for chickens.
The search for vaccines to control coccidioses caused by Eimeria species in chickens (Gallus gallus) is intensifying because of the increasing threat of drug resistance to anticoccidial agents. It is… Expand
  • 51
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The occurrence of Eimeria weybridgensis and other species of coccidia in lambs in England and Wales.
SUMMARY Four-hundred-and-sixty-three faeces samples from lambs up to 5 months old from Wales, Northern England and South-East England were examined for coccidia. 95 · 5 per cent were positive, most… Expand
  • 33
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Ovine coccidiosis: pathology of Eimeria ovinoidalis infection.
Abstract Doses of sporulated oocysts of Eimeria ovinoidalis ranging from 102 to 5 × 106 were given to 25 housed lambs aged between 5 and 13 weeks, most of which had been reared coccidia-free. Some… Expand
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