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Revista Brasileira de Zootecnia
On-line version ISSN 1806-9290
RODRIGUES, Liziana Maria et al. Roughage digestion evaluation in horses with total feces collection and mobile nylon bags. R. Bras. Zootec. [online]. 2012, vol.41, n.2, pp.341-346. ISSN 1806-9290. http://dx.doi.org/10.1590/S1516-35982012000200016.
This study aimed to evaluate the nutrient digestibility of roughages in horses with total feces collection and mobile bags. Two trials were carried out simultaneously. The first trial evaluated the digestibility of nutrients of coastcross hay (Cynodon dactylon cv. coastcross) with total feces collection. The second trial assessed the digestibility of nutrients of alfalfa hay (Medicago sativa), peanut (Arachis pintoi) and coastcross hay with mobile bags. This trial was conducted with gastric insertions of nylon bags every 12 hours, and each bag contained 663 mg of feed samples in a proportion of 17 mg DM/cm2. Feces and bags were collected directly from the stall floor immediately after excretion. There was no difference between the digestibility of dry matter, crude protein, carbohydrates and hydrolysable carbohydrates of coastcross hay estimated with feces collection and mobile bags. Forage peanut showed high nutrients digestibility, with values close to those observed with alfalfa, indicating potential for use in diets for horses.
Keywords : alfafa hay; coastcross hay; digestibility; equine; forage peanut.