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Title: Nutritive Value of Mulato II Hybrid ('Brachiaria' spp) for Cattle: Effect of Cutting Interval on Chemical Composition and In Situ Rumen Degradability
Contributor(s): Seng, Mom (author); Mob, Serey (author); Nolan, John V  (author)orcid ; Savage, Darryl  (author)
Publication Date: 2014
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Abstract: The grass cultivar Mulato II ('Braichairia ruziziensis' x 'B. decumbens' x 'B. brizantha') was evaluated as a feed source for Cambodian cattle by chemical analysis and by the nylon bag in situ incubation technique. Evaluations were undertaken for periods of re-growth of 5, 7 and 9 weeks. Total forage yield increased (122, 216 and 233 kg DM/ha per week, respectively) as the period of regrowth increased, however nutritive value for cattle was compromised. Crude protein concentration in cut forage decreased from 9.6% to 6.7% DM and crude fibre concentration increased from 24.4% to 28.9% DM with increasing regrowth period (i.e. with advancing plant maturity). Irrespective of cutting interval, CP of leaf was always higher and CF lower than of stem, while the corresponding values for whole forage were intermediate. The effective organic matter degradability of Mulato II (assumed rumen turnover 0.04/h) decreased (0.56, 0.49 and 0.45 at 5, 7 and 9 weeks of re-growth, respectively) as period of regrowth increased. The mean washout fraction was highest for leaf (0.16) and lowest for stem (0.10), with whole forage being intermediate (0.13). Effective organic matter degradability was highest for leaf (0.54) and lowest for stem (0.45), with whole forage again being intermediate (0.51).
Publication Type: Conference Publication
Conference Details: AAAP 2014: 16th Asian-Australasian Association of Animal Production Societies Animal Science Congress, Yogyakarta, Indonesia, 10th - 14th November, 2014
Source of Publication: Sustainable Livestock Production in the Perspective of Food Security, Policy, Genetic Resources and Climate Change: Proceedings of the 16th AAAP Animal Science Congress, v.II, p. 433-436
Publisher: Indonesian Society of Animal Sciences
Place of Publication: Yogyakarta, Indonesia
Fields of Research (FoR) 2008: 070204 Animal Nutrition
Fields of Research (FoR) 2020: 300303 Animal nutrition
Socio-Economic Objective (SEO) 2008: 830301 Beef Cattle
Socio-Economic Objective (SEO) 2020: 100401 Beef cattle
Peer Reviewed: Yes
HERDC Category Description: E1 Refereed Scholarly Conference Publication
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Appears in Collections:Conference Publication

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