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Sulphur levels in saliva as an estimation of sulphur status in cattle: a validation study

(2012) ARCHIVES OF ANIMAL NUTRITION. 66(6). p.507-513
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Abstract
Effective assessment of sulphur (S) status in cattle is important for optimal health, yet remains difficult. Rumen fluid S concentrations are preferred, but difficult to sample under practical conditions. This study aimed to evaluate salivary S concentration as estimator of S status in cattle. Saliva and rumen fluid samples were collected from dairy cows (n = 16) as well as samples of different feedstuffs offered to the animals. The N and S concentrations were determined using the Dumas technique. The average dietary N and S content were calculated as well as N: S ratio of saliva, rumen fluid and diet. Salivary S concentrations could not predict rumen fluid or dietary S concentrations (p > 0.05). The log transformed salivary N: S ratio (x) could predict the rumen fluid N: S ratio (y) with a linear equation of y = 9.83 (+/- 4.59) x + 0.39 (+/- 4.56) (r = 0.497, p = 0.05), but left too much residual variation to serve as reliable predictor. Further research should investigate this relationship in the search for an S status estimator.
Keywords
supply, rumen fluid, sulphur, saliva, nutritional assessment, cattle, RUMEN FLUID, SHEEP, METABOLISM, SULFATE, PLASMA, ROUGHAGE, BLOOD, FEED, UREA, COWS

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Chicago
Dermauw, Veronique, Eric Froidmont, Jan Dijkstra, Johan De Boever, Wim Vyverman, Ann-Eline Debeer, and Geert Janssens. 2012. “Sulphur Levels in Saliva as an Estimation of Sulphur Status in Cattle: a Validation Study.” Archives of Animal Nutrition 66 (6): 507–513.
APA
Dermauw, V., Froidmont, E., Dijkstra, J., De Boever, J., Vyverman, W., Debeer, A.-E., & Janssens, G. (2012). Sulphur levels in saliva as an estimation of sulphur status in cattle: a validation study. ARCHIVES OF ANIMAL NUTRITION, 66(6), 507–513.
Vancouver
1.
Dermauw V, Froidmont E, Dijkstra J, De Boever J, Vyverman W, Debeer A-E, et al. Sulphur levels in saliva as an estimation of sulphur status in cattle: a validation study. ARCHIVES OF ANIMAL NUTRITION. 2012;66(6):507–13.
MLA
Dermauw, Veronique, Eric Froidmont, Jan Dijkstra, et al. “Sulphur Levels in Saliva as an Estimation of Sulphur Status in Cattle: a Validation Study.” ARCHIVES OF ANIMAL NUTRITION 66.6 (2012): 507–513. Print.
@article{3055591,
  abstract     = {Effective assessment of sulphur (S) status in cattle is important for optimal health, yet remains difficult. Rumen fluid S concentrations are preferred, but difficult to sample under practical conditions. This study aimed to evaluate salivary S concentration as estimator of S status in cattle. Saliva and rumen fluid samples were collected from dairy cows (n = 16) as well as samples of different feedstuffs offered to the animals. The N and S concentrations were determined using the Dumas technique. The average dietary N and S content were calculated as well as N: S ratio of saliva, rumen fluid and diet. Salivary S concentrations could not predict rumen fluid or dietary S concentrations (p {\textrangle} 0.05). The log transformed salivary N: S ratio (x) could predict the rumen fluid N: S ratio (y) with a linear equation of y = 9.83 (+/- 4.59) x + 0.39 (+/- 4.56) (r = 0.497, p = 0.05), but left too much residual variation to serve as reliable predictor. Further research should investigate this relationship in the search for an S status estimator.},
  author       = {Dermauw, Veronique and Froidmont, Eric and Dijkstra, Jan and De Boever, Johan and Vyverman, Wim and Debeer, Ann-Eline and Janssens, Geert},
  issn         = {1745-039X},
  journal      = {ARCHIVES OF ANIMAL NUTRITION},
  keyword      = {supply,rumen fluid,sulphur,saliva,nutritional assessment,cattle,RUMEN FLUID,SHEEP,METABOLISM,SULFATE,PLASMA,ROUGHAGE,BLOOD,FEED,UREA,COWS},
  language     = {eng},
  number       = {6},
  pages        = {507--513},
  title        = {Sulphur levels in saliva as an estimation of sulphur status in cattle: a validation study},
  url          = {http://dx.doi.org/10.1080/1745039X.2012.735081},
  volume       = {66},
  year         = {2012},
}

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