Effect of sward height on the fermentability coefficient and chemical composition of Guinea grass silage

There is a high correlation between sward height and pasture sward structure. Therefore, in tropical grasslands, taking sward height into account has been a much better strategy in rotational stocking management than considering pre‐defined days of growth. Similarly, sward height could be used to de...

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Bibliographic Details
Published in:Grass and forage science 2018-09, Vol.73 (3), p.588-598
Main Authors: Tomaz, P. K., Araujo, L. C., Sanches, L. A., Santos‐Araujo, S. N., Lima, T. O., Lino, A. de A., Ferreira, E. M.
Format: Article
Language:English
Subjects:
Additives
Ammonia
Cattle
Chemical composition
citrus pulp
Grass silage
Grasses
Grasslands
Lactobacillus
microbial inoculant
Organic chemistry
Panicum maximum
Parameter identification
Pasture
pasture ecophysiology
Proteins
randomized block design
Silage
Statistical analysis
Sward
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Summary:There is a high correlation between sward height and pasture sward structure. Therefore, in tropical grasslands, taking sward height into account has been a much better strategy in rotational stocking management than considering pre‐defined days of growth. Similarly, sward height could be used to determine the moment when tropical grasses present the best ensilability parameters. This study aimed to identify the sward height at which Panicum maximum cv. Mombaça (Guinea grass) provides the highest fermentability coefficient (FC) and to define the combination of additives that best improves the chemical composition of silage. Two trials were carried out in Selvíria, MS, Brazil, from 2015 to 2016. The first year was used to identify the highest FC, and the second year was used to identify the best combination of eight additives (citrus pulp [CIP], homofermentative and heterofermentative LAB, their combinations and control). Statistical analyses were performed using SAS (p 
ISSN:0142-5242
1365-2494
DOI:10.1111/gfs.12349