Tannin-containing legumes and forage diversity influence foraging behavior, diet digestibility, and nitrogen excretion by lambs1,2

Journal of Animal Science
Sebastian Lagrange, J J Villalba

Abstract

Diverse combinations of forages with different nutrient profiles and plant secondary compounds may improve intake and nutrient utilization by ruminants. We tested the influence of diverse dietary combinations of tannin- (sainfoin-Onobrichis viciifolia; birdsfoot trefoil-Lotus corniculatus) and non-tannin- (alfalfa-Medicago sativa L.) containing legumes on intake and diet digestibility in lambs. Freshly cut birdsfoot trefoil, alfalfa, and sainfoin were offered in ad libitum amounts to 42 lambs in individual pens assigned to 7 treatments (6 animals/treatment): 1) single forage species (sainfoin [SF], birdsfoot trefoil [BFT], and alfalfa [ALF]), 2) all possible 2-way choices of the 3 forage species (alfalfa-sainfoin [ALF-SF], alfalfa-birdsfoot trefoil [ALF-BFT], and sainfoin-birdsfoot trefoil [SF-BFT]), or 3) a choice of all 3 forages (alfalfa-sainfoin-birdsfoot trefoil [ALF-SF-BFT]). Dry matter intake (DMI) was greater in ALF than in BFT (P = 0.002), and DMI in SF tended to be greater than in BFT (P = 0.053). However, when alfalfa was offered in a choice with either of the tannin-containing legumes (ALF-SF; ALF-BFT), DMI did not differ from ALF, whereas DMI in SF-BFT did not differ from SF (P > 0.10). When lambs were allowed to c...Continue Reading

References

Dec 1, 1996·Journal of Animal Science·M S Allen
Jul 1, 1997·The Proceedings of the Nutrition Society·G E Lobley, G D Milano
Dec 9, 1997·The British Journal of Nutrition·J J Villalba, F D Provenza
Jan 5, 2012·Critical Reviews in Food Science and Nutrition·C Le Bourvellec, C M G C Renard
Mar 23, 2012·Animal : an International Journal of Animal Bioscience·K TheodoridouR Baumont
Oct 1, 2007·Animal : an International Journal of Animal Bioscience·J J Villalba, F D Provenza
Oct 4, 2012·Animal : an International Journal of Animal Bioscience·J AufrèreR Baumont
Jun 14, 2013·Animal : an International Journal of Animal Bioscience·J DijkstraA Bannink

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