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Avaliação dos reflexos espinhais em cordeiros da raça Suffolk / Evaluation of spinal reflexes in Suffolk lambs
Mendes, L. C. N; Nogueira, G. M; Borges, A. S; Peiró, J. R; Feitosa, F. L. F.
  • Mendes, L. C. N; UNESP. Araçatuba. BR
  • Nogueira, G. M; UNESP. Araçatuba. BR
  • Borges, A. S; UNESP. Faculdade de Medicina Veterinária e Zootecnia. Botucatu. BR
  • Peiró, J. R; UNESP. Araçatuba. BR
  • Feitosa, F. L. F; UNESP. Araçatuba. BR
Arq. bras. med. vet. zootec ; 59(1): 26-29, fev. 2007. tab
Article in Portuguese | LILACS | ID: lil-456409
RESUMO
Fez-se a avaliação qualitativa e semiquantitativa dos reflexos espinhais em ovinos, utilizando-se 51 animais da raça Suffolk, machos e fêmeas, entre quatro e cinco meses de idade. Usaram-se os reflexos bilaterais dos membros torácicos, extensor carpo-radial, bicipital, tricipital e flexor, e pélvicos, isquiático, gastrocnêmio, patelar, tibial cranial e flexor, sendo zero indicativo de ausência de reflexo, 1= reflexo discreto e 2= reflexo evidente. Nos membros torácicos, as melhores respostas foram obtidas no flexor (99,0 por cento) e no extensor carpo-radial (87,3 por cento), seguidos de valores menos expressivos no bicipital (11,8 por cento) e no tricipital (2,0 por cento), com grau 2 de avaliação. Nos membros pélvicos, todos os ovinos produziram respostas em grau 2 para o reflexo flexor. Verificam-se também respostas evidentes nos reflexos patelar (98,0 por cento) e isquiático (81,4 por cento). Apenas 20,6 por cento dos animais apresentaram resposta evidente ao reflexo tibial cranial, e nenhum ovino respondeu ao reflexo gastrocnêmio de forma satisfatória.
ABSTRACT
This study was carried out to determine a qualitative and semiquantitative evaluation of the spinal reflexes in 51 both sexes, 4 to 5 months of age Suffolk lambs. Spinal reflexes were evaluated in the thoracic (extensor carpi reflex, biceps reflex, triceps reflex and flexor reflex) and pelvic (ischiatic reflex, gastrocnemius reflex, patellar reflex, cranial tibial reflex and flexor reflex) limbs, bilaterally. Reflexes were standardized, using a 2-point grading scale (0= absense, 1= mild reflex, 2= evident). Flexor reflex (99.0 percent) and extensor carpi reflex (87.3 percent) were the best reflexes elicited in thoracic limbs, while the least evident scores were found in biceps (11.8 percent) and triceps reflexes (2.0 percent) with grade 2. In pelvic limbs, all of the ovines showed a grade-2 flexor reflex. A high percentage of evident response in patellar (98.0 percent) and ischiatic (81.4 percent) reflexes were also observed. Only 20.6 percent of the animals showed evident response to the cranial tibial reflex but none had a satisfactory response to the gastrocnemius reflex.
Subject(s)
Full text: Available Index: LILACS (Americas) Main subject: Behavior, Animal / Sheep / Measures of Disease Occurrence / Nervous System / Neurologic Examination Type of study: Qualitative research Limits: Animals Language: Portuguese Journal: Arq. bras. med. vet. zootec Journal subject: Veterinary Medicine Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: UNESP/BR

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Full text: Available Index: LILACS (Americas) Main subject: Behavior, Animal / Sheep / Measures of Disease Occurrence / Nervous System / Neurologic Examination Type of study: Qualitative research Limits: Animals Language: Portuguese Journal: Arq. bras. med. vet. zootec Journal subject: Veterinary Medicine Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: UNESP/BR