Tear production in three captive wild herbivores in israel

R. Ofri*, I. Horowitz, P. H. Kass

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


The Schirmer tear test (STT) I was performed to evaluate tear production in 12 captive Nubian ibex (Capra ibex nubiana), 10 captive Burchell's zebras (Equus burchelli) and five Arabian oryx (Oryx leucoryx) at the Tel-Aviv Ramat-Gan Zoological Center (Israel). Mean (±standard deviation) STT values were 13.2 ± 5.1 mm/min in the ibex, 23.4 ± 3.4 mm/ min in the zebra and 12.7 ± 4.8 mm/min in the oryx. There were no significant effects of gender, age, weight, or side of the eye. There were no significant differences in STT values between ibex and oryx, but tear production in both species was significantly lower than in zebras. Knowledge of normal tear production values is important for the differential diagnosis of conjunctivitis and keratitis in these species.

Original languageAmerican English
Pages (from-to)134-136
Number of pages3
JournalJournal of Wildlife Diseases
Issue number1
StatePublished - Jan 1999


  • Arabian oryx
  • Burchell's zebra
  • Capra ibex nubiana
  • Equus burchelli
  • Nubian ibex
  • Oryx leucoryx
  • Schirmer tear test
  • Tear production


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