HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Donoghue, S. Articles by Lucas, J. J. Search for Related Content PubMed PubMed Citation Articles by Donoghue, S. Articles by Lucas, J. J.

Lateral Ventricular Cerebrospinal Fluid Pressure of Holstein Male Calves Measured in a Sternal Recumbent Position Under General Anesthesia¹

Nutritional Sciences Department, University of Connecticut, Storrs 06268

ABSTRACT

Lateral ventricular cerebrospinal fluid, CSF, pressure was measured in 58 calves ranging in age from 18 through 160 days. Average live weight was estimated to be 46 kg at 18 days of age, 158 kg at 160 days, with 7-day increases amounting to 6.2%. CSF pressure increased each 7 days by 2.5 mm of synthetic CSF and was represented by the following linear regression equation: Y₂ = –1 + .364X, r = .44, in which Y₂ = CSF pressure in millimeters of synthetic CSF and X = days of age. At 18 days of age, the pressure was estimated to be 6 mm and at 160 days, 5 mm. Because of the unequal distribution of calves across all ages, no data between 76 and 138 days and beyond 160 days, the relationships between CSF pressure and age were considered tentative. This is especially so in light of previous observations that with advancing age cisternal CSF pressure of anesthetized calves in lateral recumbency plateaued at ages greater than 101 days. Possible cause(s) of the increasing CSF pressure with increasing age was discussed.

¹ Scientific Contribution 514, Storrs Agricultural Experiment Station, University of Connecticut, Storrs. This research was supported in part by a Public Health Service Research Grant NB-02108 from The National Institute of Neurological Diseases and Stroke.

² Biometrician, Storrs Agricultural Experiment Station.