Cited by 50Olfactory and Sensory Function StudiesNeuroendocrine regulation and behaviorReproductive Physiology in Livestock

Role of the Vomeronasal Organ in Neonatal Offspring Recognition in Sheep1

Booth, K.K., Katz, L.S.·2000·Biology of Reproduction

Abstract

Twenty-five pregnant Dorsett ewes were randomly divided into three groups to test if ewes use their vomeronasal organs for offspring recognition during nursing. One group of eight ewes (procaine) were made anosmic by irrigation of the nasal olfactory apparatus with a zinc sulphate procaine solution. The second group of nine ewes (cauterized) had their vomeronasal organs rendered nonfunctional by cauterization of the nasoincisive duct. The third group of eight ewes were the controls. Parturition was synchronized in all ewes with betamethasone on Day 145 of gestation. Maternal responsiveness was tested two separate times with 1- to 2-day-old alien lambs. Each alien lamb trial was conducted 24 h apart. Cauterized ewes allowed alien lambs to suckle and they were unable to distinguish alien lambs from their own lambs, whereas the ewes in both groups with functional vomeronasal organs (procaine and control) violently rejected any alien lamb's attempt to suckle. Thus, female sheep use their vomeronasal organs for neonatal offspring recognition.

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  • The recognition of newborn lambs by ewes also appears to depend on the main olfactory system, although a vomeronasal contribution has also been reported.

    “The recognition of newborn lambs by ewes also appears to depend on the main olfactory system (Levy et al., 1995), although a vomeronasal contribution has also been reported (Booth and Katz, 2000).”

    From Human Vomeronasal Organ Function: A Critical Review of Best and Worst Cases (2001) · cites this paper as Booth and Katz, 2000

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Research works printed but not linked: 3

  1. Bouissou MF. Effets de l'ablation des bulbes olfactifs sur la recon- naissance du jeune par sa me `re chez les Ovins. Rev Comp Anim 1968; 2:77-83.
  2. Fleming A, Vaccarino F, Tambosso L, Chee P. Vomeronasal and ol- factory system modulation of maternal behavior in rats. Science 1979; 203:372-373.
  3. Poindron P. Me ´thode de suppression re ´versible de l'ordorat chez la brelis et verification e l'anosmie au moyen d'une epreuve comporte- mentale. Ann Biol Anim Biochem Biophys 1974; 14:411-415.

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Authors
Booth, K. K., & Katz, L. S.
Affiliations
  • University of Pretoria (ZA)
  • Rutgers, The State University of New Jersey (US)
Corresponding author
Katz, L.S.
Venue
Biology of Reproduction
Published
2000-09-01
Volume
63
Issue
3
Pages
953-958
ISSN
  • 0006-3363 (ISSN-L)
  • 1529-7268
OpenAlex
W2151826376
Cited by
50
References
50
Citations by year
2026: 4 · 2024: 3 · 2023: 3 · 2022: 5 · 2021: 4 · 2019: 1 · 2016: 2 · 2015: 3 · 2014: 1 · 2013: 1 · 2012: 1
FWCI
0.78
Type
journal article
Language
en
Open access
closed
Locations
  • Biology of Reproduction (publishedVersion)
  • PubMed (publishedVersion)
  • BioOne Complete (BioOne) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Sensory Systems › Olfactory and Sensory Function Studies
  • Social Sciences › Psychology › Social Psychology › Neuroendocrine regulation and behavior
  • Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Reproductive Physiology in Livestock
Keywords
vomeronasal organ, maternal behavior, sheep, ewes, olfaction
MeSH terms
Animals, Animals, Newborn, Olfaction Disorders, Cautery, Female, Gestational Age, Maternal Behavior, Nose, Pheromones, Procaine, Sheep, Smell, Vomeronasal Organ

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