Nutritive value of pangola and utilization by ruminants
Leng and Preston (1976) suggested that ruminant feeding
systems based on poor quality tropical forages, crop
residues or agro-industrial by-products, in which protein
is one of the first limiting factors, may require additional
protein to maintain an efficient rumen ecosystem that
will stimulate nutrient intake and improve animal performance.
Several authors subsequently showed that
pangola could efficiently serve as a protein supplement
to such diets. If used as a supplement to low-CP forage
or mixed diets based on, e.g., straw, CP concentrations
above 15% of DM (see previous section) can be accepted
as the greater proportion of non-protein-nitrogen in the
CP of intensively fertilized forage can be effectively
converted by rumen microbes into microbial amino
acids, and finally, microbial protein (review by Leng
1990).
Results of studies involving pangola varied widely depending
on the form of its presentation and species of
animal. The general conclusion is that supplementation
of pangola grass in fresh or preserved (hay and silage)
forms to ruminant animals showed beneficial results.
Ranchers in Central and South Florida have been well
served for many years by ‘pangola’ and other cultivars of
digit grass. Pangola is a very palatable grass that is readily
consumed by livestock (beef, dairy cattle and horses)
as grazed pasture or hay (Vendramini et al. 2012). In the
following paragraphs, results are summarized from studies
involving in vivo and in vitro measurements and
these are separately presented.
In vitro data were only reported by Regan (2000) and
Juárez Reyes et al. (2009). Regan (2000) reported that in
northern Australia bale silage was prepared from wilted
pasture with pangola grass (Digitaria eriantha subsp.
eriantha) and two legumes, namely cavalcade centurion
(Centrosema pascuorum) and wynn cassia (Chamaecrista
rotundifolia). The DM content of the silages made from
Nutritive value of pangola and utilization by ruminants
Leng and Preston (1976) suggested that ruminant feeding
systems based on poor quality tropical forages, crop
residues or agro-industrial by-products, in which protein
is one of the first limiting factors, may require additional
protein to maintain an efficient rumen ecosystem that
will stimulate nutrient intake and improve animal performance.
Several authors subsequently showed that
pangola could efficiently serve as a protein supplement
to such diets. If used as a supplement to low-CP forage
or mixed diets based on, e.g., straw, CP concentrations
above 15% of DM (see previous section) can be accepted
as the greater proportion of non-protein-nitrogen in the
CP of intensively fertilized forage can be effectively
converted by rumen microbes into microbial amino
acids, and finally, microbial protein (review by Leng
1990).
Results of studies involving pangola varied widely depending
on the form of its presentation and species of
animal. The general conclusion is that supplementation
of pangola grass in fresh or preserved (hay and silage)
forms to ruminant animals showed beneficial results.
Ranchers in Central and South Florida have been well
served for many years by ‘pangola’ and other cultivars of
digit grass. Pangola is a very palatable grass that is readily
consumed by livestock (beef, dairy cattle and horses)
as grazed pasture or hay (Vendramini et al. 2012). In the
following paragraphs, results are summarized from studies
involving in vivo and in vitro measurements and
these are separately presented.
In vitro data were only reported by Regan (2000) and
Juárez Reyes et al. (2009). Regan (2000) reported that in
northern Australia bale silage was prepared from wilted
pasture with pangola grass (Digitaria eriantha subsp.
eriantha) and two legumes, namely cavalcade centurion
(Centrosema pascuorum) and wynn cassia (Chamaecrista
rotundifolia). The DM content of the silages made from
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