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>Journals >Veterinaria México >Year 1997, Issue 3


Liébano HE, López ME, Vázquez PV
Morphometric identification of inmmature stages of Dictyocaulus viviparus from an isolate in the state of Puebla in Mexico
Vet Mex 1997; 28 (3)

Language: English/Spanish
References: 13
Page: 251-255
PDF: 1870.62 Kb.


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ABSTRACT

Development stages of a tropical Mexican isolate of Dictyocaulus viviparus were identified in the present study. One hundred young larvae from each, first (J1), second (J2) and third (J3) stages were obtained from the manour of an experimentally infested cow. The same number of fourth stage- and immature adults were identified by guinea pig inoculation and euthanization. Total length, aesophagus length, body width, and according to the developmental stage, the length from the anus to the tip of the tail's sheath, were registered. Likewise, morphologic characteristics of each stage were studied. This is the first description of first, second, third, and fourth stages in male and female immature adults for a Mexican Dictyocaulus viviparus isolate.


Key words: DICTYOCAULUS VIVIPARUS, DEVELOPMENT, IMMATURE STAGES.


REFERENCIAS

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  2. Duncan, J.L.: Studies on the epidemiology of bovine parasitic bronchitis. Vet. Rec., 104: 274-278 (1979).

  3. Dunn, A.M.: Helmintología Veterinaria. 2a ed. El Manual Moderno, México, D.F., 1983.

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  8. López, A.M., Canto, A.G., Liébano, H.E. y Vázquez, P.V.: Establecimiento del cultivo in vitro de Dictyocaulus viviparus para la obtención del tercer estadio infectivo. Reunión Nacional de Investigación Pecuaria. Chihuahua, Chihuahua, México. 1992. 815. Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias SAGAR. Chihuahua, Chihuahua, México (1992).

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  10. Piña, M.M.: Caracterización morfométrica de la primera, segunda y tercera larva de Dictyocaulus filaria de ovinos en México. Tesis de licenciatura. Fac. de Med. Vet. y Zoot. Universidad Nacional Autónoma de México. México, D.F., 1987.

  11. Quiroz, R.H.: Parasitología y Enfermedades Parasitarias de Animales Domésticos. Limusa, México, D.F., 1986.

  12. Sánchez, A.A.: Coprología diagnóstica de helmintos y protozoarios del aparato digestivo. En: Diagnóstico de Helmintos y Hemoparásitos de Rumiantes. Editado por: Asociación Mexicana de Parasitología Veterinaria, A.C., 9-39. México, D.F., 1989.

  13. Soulsby, J.L.: Parasitología y Enfermedades Parasitarias de los Animales Domésticos. Interamericana, México, D.F., 1987.






>Journals >Veterinaria México >Year 1997, Issue 3
 

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