Twenty-four hour felinine [corrected] excretion patterns in entire and castrated cats

Physiology & Behavior
W H HendriksP J Moughan

Abstract

The purpose of this study was to determine the 24 h urinary excretion of a sulphur containing amino acid called felinine in entire and castrated cats of both sexes. Entire male cats excreted (mean +/- SEM) 122 +/- 23.6 mmol of felinine per kg bodyweight per day with castrated males, entire females and spayed females excreting 41 +/- 8.4, 36 +/- 7.3 and 20 +/- 3.8 mmol, respectively. There was an overall significant difference between groups in the amounts of felinine excreted in 24 h [F(3, 24) = 11.8, p < 0.0001] with there being significant differences between entire males and castrated males (p < 0.001) and castrated males and spayed females (p < 0.05). There was no difference in excretion between entire and spayed females. Urine volumes were not significantly different for the 24 h period. The differences in excretion levels were caused by different concentrations of felinine in the urine with entire male cats excreting (mean +/- SEM) 2.0 +/- 0.55 g of felinine per litre of urine. The data obtained in the present study support the concept that felinine, which has been found in Felidae species only, may be testosterone dependent. Felinine may be involved in territorial marking.

References

Jan 1, 1984·Annual Review of Nutrition·M L MacDonaldJ G Morris
Dec 1, 1995·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·W H HendriksA D Woolhouse

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Citations

Oct 10, 2007·Journal of Chemical Ecology·Lynn McLeanRobert J Beynon
Dec 1, 1995·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·W H HendriksA D Woolhouse
Nov 12, 1998·Physiology & Behavior·M F TarttelinP J Moughan
Jul 20, 2001·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·W H HendriksK J Rutherfurd
Mar 18, 2008·The British Journal of Nutrition·Wouter H HendriksQuinton R Rogers
Jun 8, 2014·Integrative and Comparative Biology·M KaushikJ P Webster
Jan 11, 2008·Journal of Animal Physiology and Animal Nutrition·W H HendriksQ R Rogers
Aug 19, 2015·Frontiers in Neuroscience·Raimund ApfelbachMilos V Novotny
Oct 7, 2004·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Wouter H HendriksKay J Rutherfurd-Markwick
Apr 11, 2018·Journal of Chemical Ecology·Masao MiyazakiTetsuro Yamashita
Feb 1, 2005·Journal of Animal Physiology and Animal Nutrition·K J Rutherfurd-MarkwickW H Hendriks
Jul 31, 2004·The Journal of Nutrition·Wouter H HendriksKay J Rutherfurd-Markwick
Nov 8, 2001·The Journal of Biological Chemistry·Kay J RutherfurdWouter H Hendriks
Jun 15, 2006·The Journal of Nutrition·Kay J Rutherfurd-MarkwickWouter H Hendriks

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