Assembleia de helmintos de <i>Trachemys dorbigni</i> (Testudines: Emydidae) no sul do Brasil: implicações dos ambientes antrópicos e do gênero sexual dos hospedeiros

Mascarenhas, Carolina S.; Silva, Renato Z.; Müller, Gertrud

Carolina S. Mascarenhas

1. Laboratório de Parasitologia de Animais Silvestres (LAPASIL), Departamento de Microbiologia e Parasitologia, Instituto de Biologia, Universidade Federal de Pelotas. Caixa postal 354, 96010-900 Pelotas, RS, Brazil.

https://orcid.org/0000-0002-7045-0926

Renato Z. Silva

2. Laboratório de Biologia de Parasitos de Organismos Aquáticos (LABIPOA), Instituto de Ciências Biológicas, Universidade Federal do Rio Grande. Caixa postal 474, 96650-900 Rio Grande, RS, Brazil.

https://orcid.org/0000-0002-6381-1009

Gertrud Müller

1. Laboratório de Parasitologia de Animais Silvestres (LAPASIL), Departamento de Microbiologia e Parasitologia, Instituto de Biologia, Universidade Federal de Pelotas. Caixa postal 354, 96010-900 Pelotas, RS, Brazil.

https://orcid.org/0000-0002-4138-0375

phrybio@hotmail.com

Figuras (1)
Tabelas (4)

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Fig. 1.
Overall layout of the collection environments in the study of helminth assemblage of Trachemys dorbigni in southern Brazil: A, detail of the Centro Agropecuário da Palma (UFPel), rural area of Capão do Leão, State of Rio Grande do Sul, Brazil; B, detail of the urban área of Pelotas, Rio Grande do Sul, Brazil. Source: extracted and modified the site Google^® Earth (©2014 Google - Images ©2014 Digital Globe).

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Tab. I.
Helminths of Trachemys dorbigni (Duméril & Bibron, 1835) (Emidydae) (n=60) on the southern Brazil and their site of infection, parasitological indices (P%, Prevalence; MII, Mean Intensity of Infection; MA, Mean Abundance) and Range (RA) (CHIOC, Coleção Helmintológica do Instituto Oswaldo Cruz; MLP, Coleção de Invertebrados do Museu de La Plata; CHLAPASIL, Coleção de Helmintos do Laboratório de Parasitologia de Animais Silvestres da Universidade Federal de Pelotas).

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Tab. II.
Prevalence (P%), Mean Intensity of Infection (MII) and Mean Abundance (MA) and Range (RA) of helminths of Trachemys dorbigni (Duméril & Bibron, 1835) (Emidydae) (n=60) from rural and urban environments on the southern Brazil [n, number of sampled hosts; a, b, differences between the environments (exact Fisher's test “F”, p≤0.05, for P% and Bootstrapʼs confidence interval, p≤0.05, for MII)].

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Tab. III
Prevalence (P%), Mean Intensity of Infection (MII) and Mean Abundance (MA) and Range (RA) of helminths in males and females of Trachemys dorbigni (Duméril & Bibron, 1835) (Emidydae) (n=60) on the southern Brazil [n, number of sampled hosts; a, b, differences between the host’s gender (exact Fisher's test “F”, p≤0.05, for P% and Bootstrap´s confidence interval, p≤0.05, for MII)].

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Tab. IV.
Prevalence (P%), Mean Intensity of Infection (MII) and Mean Abundance (MA) and Range (RA) of helminths in males and females of Trachemys dorbigni (Duméril & Bibron, 1835) (n=60) (Emidydae) on the southern Brazil according to rural and urban environments [n, number of sample hosts; a, b, differences between the host’s gender of the same environments; ■,■■ differences for the same gender between site of study (exact Fisherʼs test “F”, p≤0.05, for P% and Bootstrapʼs confidence interval, p≤0.05, for MII)].

Helminths	Site of infection	P (%)	MII	MA	RA	Vouchers
NEMATODA
Spiroxys contortus	Heart; esophagus; stomach, small intestine; large intestine	68.33	70.17	47.95	1 - 1184	35875-35876 (CHIOC) 6740-6744 (MLP) 472-476 (CHLAPASIL)
Falcaustra affinis	Heart; stomach; large intestine; kidney	85	92.39	78.53	1 - 472	35873-35874 (CHIOC) 6745-6747 (MLP) 477-480 (CHLAPASIL)
Camallanus emydidius	Lung; stomach; small intestine; large intestine	100	30.31	30.31	1 - 242	38507-38512 (CHIOC) 523-527 (CHLAPASIL)
Dioctophyme renale (larva)	Coelomic cavity; muscles; stomach (serous); mesentery; surface of various organs: heart, lung, liver, pancreas, spleen and intestines	50	13.03	6.51	1 - 129	519-521 (CHLAPASIL)
Eustrongylides sp. (larva)	Stomach (serous)	1.66	1	0.016	1	522 (CHLAPASIL)
DIGENEA
Telorchis corti	Small intestine	36.66	25.36	9.3	1 - 130	37846-37850 (CHIOC) 6748-6749 (MLP) 481-504 (CHLAPASIL)
Telorchis achavali	Small intestine	1.66	3	0.05	3	505-507 (CHLAPASIL)
Telorchis spp.	Small intestine	10	2.16	0.21	1 - 6	516-517 (CHLAPASIL)
MONOGENOIDEA
Polystomoides rohdei	Oral cavity	81.66	16.81	13.73	1 - 132	530-544 (CHLAPASIL)
Neopolystoma sp.	Urinary bladder	1.66	2	0.03	2	528-529 (CHLAPASIL)

Helminths	Environments
	Rural (n=28)				Urban (n=32)
	P%	MII	MA	RA	P%	MII	MA	RA
NEMATODA
Spiroxys contortus	85.7^a	112.58	96.5	6 - 1184	53.1^b	10.29	5.46	1 - 41
Falcaustra affinis	85.7	85.42	73.21	1 - 305	84.4	98.59	83.18	2 - 472
Camallanus emydidius	100	16.46^a	16.46	1 - 54	100	42.44^b	42.44	1 - 242
Dioctophyme renale (larva)	7.1^a	1.5	0,1	1 - 2	87.5^b	13.86	12.12	1 - 129
Eustrongylides sp. (larva)	-	-	0	-	3.1	1	0.03	1
DIGENEA
Telorchis corti	3.6^a	130	4.64	130	65.6^b	20.38	13.37	1 - 120
T. achavali	3.6	3	0.1	3	-	-	0	-
Telorchis spp.	21.4	2.16	0.46	1 - 6	-	-	0	-
MONOGENOIDEA
Polystomoides rohdei	100^a	19.93	19.93	1 - 132	65.6^b	12.67	8.31	1 - 46
Neopolystoma sp.	-	-	0	-	3.1	2	0.06	2

Helminths	Host’s gender
	Male (n=27)				Female (n=33)
	P%	MII	MA	RA	P%	MII	MA	RA
NEMATODA
Spiroxys contortus	51.9^a	42.64	22.11	1 - 338	81.8^b	84.44	69.09	1 - 1184
Falcaustra affinis	74.1^a	62.1	46	2 - 472	93.9^b	111.94	105.15	1 - 427
Camallanus emydidius	100	15.89^a	15.89	1 - 73	100	42.12^b	42.12	1 - 242
Dioctophyme renale (larva)	48.1	14	6.74	2 - 57	51.5	12.29	6.33	1 - 129
Eustrongylides sp. (larva)	-	-	0	0	3.03	1	0.03	1
DIGENEA
Telorchis corti	22.2^a	16.83	3.74	1 - 59	48.5^b	28.56	13.85	1 - 130
T. achavali	-	-	0	0	3.03	3	0.09	3
Telorchis spp.	7.4	1	0.07	1	12.1	2.75	0.33	1 - 6
MONOGENOIDEA
Polystomoides rohdei	74.1	13.15	9.74	1 - 79	87.9	19.34	17	1 - 132
Neopolystoma sp.	-	-	0	0	3.03	2	0.06	2

Helminths	Parasitological indices	Environments
		Rural		Urban
		Host’s gender		Host’s gender
		Male (n=13)	Female (n=15)	Male (n=14)	Female (n=18)
NEMATODA
Spiroxys contortus
	P%	69.2^a	100^{b; ■}	35.7	66.7^■■
	MII	64.33	141.53	3.6	13.08
	MA	44.54	141.53	1.29	8.72
	RA	6 - 338	8 - 1184	1 - 7	1 - 41
Falcaustra affinis
	P%	69.2^a	100^b	78.6	88.9
	MII	50.33	106.47	71.73	117.06
	MA	34.85	106.47	56.36	104.06
	RA	4 - 191	1 - 305	2 - 472	8 - 427
Camallanus emydidius
	P%	100	100	100	100
	MII	13.92	18.67^■	17.71^a	61.67^b;■■
	MA	13.92	18.67	17.71	61.67
	RA	3 - 44	1 - 54	1 - 73	1 - 242
Dioctophyme renale (larva)
	P%	-	13.3^■	92.9	83.3^■■
	MII	-	1.5	14	13.73
	MA	0	0.2	13	11.44
	RA	0	1 - 2	2 - 57	1 - 129
Eustrongylides sp. (larva)
	P%	-	-	-	5.6
	MII	-	-	-	1
	MA	0	0	0	0.06
	RA	0	0	0	1
DIGENEA
Telorchis corti
	P%	-	6.7^■	42.9^a	83.3^b;■■
	MII	-	130	16.83	21.8
	MA	0	8.67	7.21	18.17
	RA	0	130	1 - 59	1 - 120
T. achavali
	P%	-	6.7	-	-
	MII	-	3	-	-
	MA	0	0.2	0	0
	RA	0	3	0	0
Telorchis spp.
	P%	15.54	26.7	-	-
	MII	1	2.75	-	-
	MA	0.15	0.73	0	0
	RA	1	1 - 6	0	0
MONOGENOIDEA
Polystomoides rohdei
	P%	100^■	100	50^■■	77.8
	MII	15.77	23.53	8.29	14.86
	MA	15.77	23.53	4.14	11.56
	RA	1 - 79	2 - 132	1 - 25	1 - 46
Neopolystoma sp.
	P%	-	-	-	5.6
	MII	-	-	-	2
	MA	0	0	0	0.11
	RA	0		0	2

[1] phrybio@hotmail.com

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Assembleia de helmintos de Trachemys dorbigni (Testudines: Emydidae) no sul do Brasil: implicações dos ambientes antrópicos e do gênero sexual dos hospedeiros

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