192 



THE TELOSPORASIDA AND THE CCXTCIDIA PROPER 



granule is present. No other morphologi- 

 cal information is known. The sporulation 

 time is 11 days. 



Life Cycle : Unknown. 



Pathogenesis : Unknown. 



EIMERIA POLITA 

 PELLERDY, 1949 



Host : Pig. 



Location : Unknown. Oocysts found 

 in feces. 



Geographic Distribution : Europe 

 (Hungary), North America (Alabama). 



Prevalence : Unknown. 



Morphology : This species has been 

 described by Pelle'rdy (1949) in Hungary 

 and by Lesser and Davis (1958) in Alabama. 

 The oocysts are ellipsoidal, rarely broadly 

 ovoid, 17 to 36 by 13 to 24 (J, with a mean of 

 23. 8 by 17. 9 |Lt . The oocyst wall is smooth 

 or occasionally roughened, yellowish 

 brown or pinkish brown, 1.0 to 1.5 /j, thick. 

 The micropyle is imperceptible or is seen 

 only when the oocyst lies in a favorable 

 position. A polar granule is present in 

 about half the oocysts. There is no oocyst 

 residuum. The sporocysts are ellipsoidal, 

 15tol9by6/i. A sporocyst residuum is 

 present. The sporulation time is 8 to 9 days. 



Life Cycle : Unknown. Pellerdy (1949) 

 found that the prepatent period in 3 exper- 

 imentally infected pigs was 8 to 9 days. 



Pathogenesis : Unknown. 



EIMERIA SCABRA 

 HENRY, 1931 



Host : Domestic and wild pigs. 



Location : Intestine. The sexual 

 stages are found in the epithelial cells of 

 the villi. 



Geographic Distribution : Worldwide. 



Prevalence : Yakimoff et al. (1936) 

 found this species in 33% of 141 pigs in 

 Russia. 



Morphology : The oocysts are ovoid 

 to ellipsoidal, 22 to 36 by 16 to 28 ^ . The 

 oocyst wall is brown, rough, and 1. 5 to 

 2.0ji thick, becoming thinner at the nar- 

 row end. A micropyle is present accord- 

 ing to Pelle'rdy (1949), but was not men- 

 tioned by Henry (1931). An oocyst polar 

 granule is present. There is no oocyst 

 residuum. The sporocysts are ellipsoidal, 

 15 to 19 by 6 jM, and have a sporocyst res- 

 iduum. The sporulation time is 9 to 12 

 days. 



Life Cycle : The endogenous stages 

 of this species have not been described. 

 Pelle'rdy (1949) found that the prepatent 

 period in 2 experimentally infected pigs 

 was 9 days. 



Pathogenesis : Uncertain. Alicata 

 and Willett (1946) found that pigs experi- 

 mentally infected with 20 to 30 million 

 mixed sporulated oocysts of E. debliecki 

 and E. scabra developed a profuse diar- 

 rhea lasting 2 to 15 days, lost their appe- 

 tites and did not gain weight. How much 

 of this effect was due to E. scabra is not 

 known. 



EIMERIA SCROFAE 

 GALLI-VALERIO, 1935 



Host : Domestic pig. 



Location : Unknown. Oocysts found 

 in feces. 



Geographic Distribution : Europe 

 (Switzerland). 



Prevalence : Unknown. 



Morphology : This species has been 

 described only by Galli-Valerio (1935). 

 The oocysts are cylindroid, with one end 

 slightly flattened, and measure 24 by 15fi. 

 There is a distinct micropyle. Oocyst and 

 sporocyst residua are absent. The sporont 

 is finely granular. Pelle'rdy (1949) con- 

 sidered this a rather doubtful species 



