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Study for the validation of the n-alkane technique to estimate intake and digestibility of acorns and pasture by “Alentejano pigs”

Published online by Cambridge University Press:  23 November 2017

M.I. Ferraz de Oliveira ,
C.A. Mendes ,
T. Ribeiro  and
M. Cancela d’Abreu
M.I. Ferraz de Oliveira
Affiliation:
Universidade de Évora-Departamento de Zootecnia, Évora, Portugal
C.A. Mendes*
Affiliation:
Universidade de Évora-Departamento de Zootecnia, Évora, Portugal
T. Ribeiro
Affiliation:
Universidade de Évora-Departamento de Zootecnia, Évora, Portugal
M. Cancela d’Abreu
Affiliation:
ICAM, Évora, Portugal
*
Email:[email protected]
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Extract

The sustainable animal production systems, based on pastures require the knowledge of animal and vegetation responses to different management strategies (Oliván and Osoro, 1997). The lack of knowledge about the grazing behaviour, intake and diet digestibility of “Alentejano pigs” explored under “Montanheira”, leads to many doubts about the most adequate production strategies. N-alkanes are components of plant cuticular wax and have been successfully used as markers for estimation of intake in ruminants (Dove and Mayes, 1991), however few studies with pigs have been published, particularly “alentejano pigs”. In the “Montanheira” system, the main components of the diet are acorns and pasture. Therefore this trial was conducted to validate the use of the n-alkane technique to estimate intake and digestibility of the particular diet composition of “Montanheira” (acorns and pasture) by “Alentejano pigs”.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2007 , April 2007 , pp. 207
Copyright
Copyright © The British Society of Animal Science 2007

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References

Dove, H., Mayes, R.W. (1991). The use of plant wax alkanes as marker substances in studies of nutrition of herbivores: A review. Australian Journal of Agriculture Reseach 42, pp913–952 Google Scholar
Oliván, M., Osoro, K., (1997). Utilización da la técnica de los n-alcanos en estudios de ingestión y selección de dieta de los rumiantes en pastoreo: revisión; Itea. Vol.93A no 3. pp 193–208.Google Scholar