Helminth community structure of <i>Didelphis marsupialis</i> (Didelphimorphia, Didelphidae) in a transition area between the Brazilian Amazon and the Cerrado

Freitas, Leodil da Costa; Maldonado Júnior, Arnaldo; Mendonça, Ravena Fernanda Braga de; Ramos, Dirceu Guilherme de Souza; Rossi, Rogério Vieira; Pacheco, Richard de Campos; Gentile, Rosana

doi:10.1590/S1984-29612022031

Leodil da Costa Freitas

Laboratório de Parasitologia Veterinária e Doenças Parasitárias dos Animais Domésticos e Silvestres, Faculdade de Medicina Veterinária – FAVET, Universidade Federal de Mato Grosso – UFMT, Cuiabá, MT, Brasil

Arnaldo Maldonado Júnior

Laboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios, Instituto Oswaldo Cruz – FIOCRUZ, Rio de Janeiro, RJ, Brasil

Ravena Fernanda Braga de Mendonça

Laboratório de Mastozoologia, Instituto de Biociências – IB, Universidade Federal de Mato Grosso – UFMT, Cuiabá, MT, Brasil

Dirceu Guilherme de Souza Ramos

Laboratório de Patologia e Parasitologia Veterinária, Unidade Acadêmica de Ciências Veterinárias, Universidade Federal de Jataí - UFJ, Jataí, GO, Brasil

Rogério Vieira Rossi

Laboratório de Mastozoologia, Instituto de Biociências – IB, Universidade Federal de Mato Grosso – UFMT, Cuiabá, MT, Brasil

Programa de Pós-graduação em Ecologia e Conservação da Biodiversidade – PPG/ECB, Instituto de Biociências – IB, Universidade Federal de Mato Grosso – UFMT, Cuiabá, MT, Brasil

Richard de Campos Pacheco ^**Corresponding author: Richard de Campos Pacheco. E-mail: richard.pacheco@ufmt.br

Laboratório de Parasitologia Veterinária e Doenças Parasitárias dos Animais Domésticos e Silvestres, Faculdade de Medicina Veterinária – FAVET, Universidade Federal de Mato Grosso – UFMT, Cuiabá, MT, Brasil

http://orcid.org/0000-0002-7135-1516

Rosana Gentile

Laboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios, Instituto Oswaldo Cruz – FIOCRUZ, Rio de Janeiro, RJ, Brasil

*Corresponding author: Richard de Campos Pacheco. E-mail: richard.pacheco@ufmt.br

Figures (1)
Tables (5)

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Figure 1
Map showing the sampling transects where Didelphis marsupialis captures were performed in the municipalities of Sinop and Cláudia within Amazonian Arc in northern Mato Grosso State, Brazil.

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Table 1
Mean abundance, mean intensity of the helminths with standard deviation, and helminth prevalence (%) with 95% confidence limits in relation to host sex and age found in Didelphis marsupialis (N = 32; N_male = 8; N_female = 24; N_young = 19; N_adult = 13) from Mato Grosso State, Brazil.

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Table 2
Mann-Whitney (U) and p-value of abundance of the helminths in relation to host sex and age found in Didelphis marsupialis (N = 32; N_male = 8; N_female = 24; N_young = 19; N_adult = 13) from Mato Grosso State, Brazil.

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Table 3
Chi-square and p-value of prevalence of the helminths in relation to host sex and age found in Didelphis marsupialis (N = 32; N_male = 8; N_female = 24; N_young = 19; N_adult = 13) from Mato Grosso State, Brazil.

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Table 4
Importance indices of helminth species found in Didelphis marsupialis from Mato Grosso State, Brazil.

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Species Collection number Aspidodera raillieti CHIOC 39310 Cruzia tentaculata CHIOC 39311 Didelphonema longispiculata CHIOC 39190 Travassostrongylus orloffi CHIOC 39312 Trichuris minuta CHIOC 39313 Turgida turgida CHIOC 39314 Viannaia hamata CHIOC 39315 Oliganthorhynchus microcephalus CHIOC 39309 Didelphis marsupialis UFMT 4276, 4277, 4278, 4279, 4280, 4281, 4282, 4283, 4284, 4285, 4286, 4287, 4288, 4289, 4290, 4327, 4328, 4329, 4330, 4331, 4332, 4652, 4653, 4654, 4655, 4697, 4698, 4699, 4700, 4701, 4702, 4703.

Parameters	*Aspidodera raillieti*	*Cruzia tentaculata*	*Didelphonema longispiculata*	*Travassostrongylus orloffi*	*Trichuris minuta*	*Turgida turgida*	*Viannaia hamata*	Cestoda	*Oligacanthorhynchus microcephalus*
Abundance	211.13±217.55	0.13±0.42	3.44±6.55	19.50±34.14	0.69±1.28	1.91±2.36	68.44±131.64	11.13±62.93	2.34±3.29
Male	150.38±153.10	0.00±0.00	5.25±11.74	12.75±15.84	1.13±1.81	1.50±2.83	38.75±50.09	0.00±0.00	1.50±2.33
Female	231.38±234.40	0.17±0.48	2.83±3.78	21.75±38.39	0.54±1.06	2.04±2.24	78.33±148.95	14.83±72.67	2.63±3.78
Juvenile	144.79±120.28	0.11±0.46	5.11±7.93	25.47±42.43	0.95±1.51	1.58±2.41	94.89±163.67	0.00±0.00*	1.57±3.32
Adult	308.08±288.81	0.15±0.38	1.00±2.38	10.77±13.10	0.31±0.75	2.38±2.29	29.77±43.09	27.38±98.74	2.85±3.21
Intensity	217.94±217.62	1.33±0.58	7.86±8.06	27.13±37.76	2.20±1.40	3.21±2.27	95.22±147.49	356.00±*	4.69±3.26
Male	150.38±153.10	0.00±0.00	10.50±15.75	20.40±15.61	3.00±1.73	4.00±3.61	62.00±50.88	0.00±0.00	4.00±2.00
Female	241.44±234.31	1.33±0.58	6.80±2.57	29.00±42.08	1.86±1.21	3.06±2.08	104.44±164.70	356.00±*	4.85±3.53
Juvenile	144.79±120.28	2.00±*	8.82±8.78	37.23±47.18	2.25±1.58	3.33±2.55	120.20±176.59	0.00±0.00	5.29±3.54
Adult	333.75±285.74	1.00±0.00	4.33±3.51	14.00±13.36	2.00±0.00	3.10±2.13	48.36±46.41	356.00±*	4.22±3.15
Prevalence^¥	96.90	9.40	43.80	71.90	31.30	59.40	71.90	9.40	50.00
Prevalence^¥	(83.80-99.90)	(2.00-25.00)	(26.30-62.30)	(53.30-86.30)	(16.10-50.00)	(40.60-76.30)	(53.30-86.30)	(2.00-25.00)	(31.90-68.10)
Male	100.00	0.00	50.00	62.50	37.50	37.50	62.50	12.50	37.50
Male	(63.06-100.00)	(0.00-36.10)	(15.70-84.30)	(25.00-91.50)	(8.50-75.50)	(8.50-75.50)	(24.50-91.50)	(0.30-52.70)	(8.50-75.50)
Female	95.80	12.50	41.70	75.00	29.20	66.70	75.00	8.30	54.20
Female	(78.90-99.90)	(2.70-32.40)	(22.10-63.40)	(53.30-90.20)	(12.60-51.10)	(44.70-84.40)	(53.30-90.20)	(1.00-27.00)	(32.80-74.50)
Juvenile	100.00	5.30	57.90	68.40	42.10	47.40	79.00	10.50	36.80
Juvenile	(82.40-100.00)	(0.10-26.00)	(33.50-79.80)	(43.50-87.40)	(20.30-66.50)	(24.50-71.10)	(54.40-94.00)	(1.30-33.10)	(16.30-61.60)
Adult	92.30	15.40	23.10	76.90	15.40	76.90	61.50	7.70	69.20
Adult	(63.90-99.80)	(1.90-45.50)	(5.00-53.80)	(46.20-95.00)	(1.90-45.50)	(46.20-95.00)	(31.60-86.10)	(0.20-36.00)	(38.60-90.90)

Parameters	*Aspidodera railieti*		*Cruzia tentaculata*		*Didelphonema longispiculata*		*Travassostrongylus orloffi hamata*		*Trichuris minuta*		*Turgida turgida*		*Viannaia*		Cestoda		*Oligacanthorhychus microcephalus*
	*Aspidodera railieti*		*Cruzia tentaculata*		*Didelphonema longispiculata*		*Travassostrongylus orloffi hamata*		*Trichuris minuta*		*Turgida turgida*			U	Cestoda		*Oligacanthorhychus microcephalus*		p	U	p	U	p	U	p	U	p	U	p	U	p	U	p	U	p
	Sex	75	0.372	£	£	95	0.981	91	0.843	82.5	0.490	71	0.267	82	0.552	£	£	79	0.227
Age	82.5	0.120	£	£	72.5	0.032*	106	0.509	91.5	0.141	86.5	0.145	82.5	0.116	£	£	90	0.036*

Parameters	*Aspidodera railieti*		*Cruzia tentaculata*		*Didelphonema longispiculata*		*Travassostrongylus orloffi*		*Trichuris minuta*		*Turgida turgida*		*Viannaia hamata*		Cestoda		*Oligacanthorhynchus microcephalus*
Parameters	χ²	p	χ²	p	χ²	P	χ²	p	χ²	p	χ²	p	χ²	p	χ²	p	χ²	p
Sex	0.344	0.557	1.103	0.293	0.169	0.681	0.463	0.496	0.194	0.659	2.116	0.146	0.463	0.495	0.344	0.557	0.666	0.414
Age	1.508	0.219	0.930	0.311	3.802	0.032*	0.267	0.599	2.565	0.109	2.795	0.094	1.157	0.282	1.508	0.219	3.239	0.044^*

Helminth Specie	Importance Indices	Classification
Aspidodera raillieti	66.25	Dominant
Cruzia tentaculata	<0.01	Subordinate
Didelphonema longispiculata	0.49	Co-dominant
Travassostrongylus orloffi	4.54	Dominant
Trichuris minuta	0.07	Co-dominant
Turgida turgida	0.37	Co-dominant
Viannaia hamata	15.93	Dominant
Cestoda	0.11	Co-dominant
Oliganthorhynchus microcephalus	0.36	Co-dominant

[1] *Corresponding author: Richard de Campos Pacheco. E-mail: richard.pacheco@ufmt.br

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Helminth community structure of Didelphis marsupialis (Didelphimorphia, Didelphidae) in a transition area between the Brazilian Amazon and the Cerrado

Estrutura da comunidade de helmintos de Didelphis marsupialis (Didelphimorphia, Didelphidae) em uma área de transição entre a Amazônia brasileira e o Cerrado

Abstract