substitution of sugar beet pulp with Ca soaps

Energy supplementation of straw-based diets: substitution of sugar beet
pulp with Ca soaps. Performance trials with heifers and rumen
degradability
Pinosa M., Bovolenta S., Maffei M.
in
Tisserand J.-L. (ed.), Alibés X. (ed.).
Fourrages et sous-produits méditerranéens
Zaragoza : CIHEAM
Options Méditerranéennes : Série A. Séminaires Méditerranéens; n. 16
1991
pages 161-162
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-------------------------------------------------------------------------------------------------------------------------------------------------------------------------Pinosa M., Bovolenta S., Maffei M. En ergy su pplemen tation of straw-based diets: su bstitu tion of
su gar beet pu lp with Ca soaps. Performan ce trials with h eifers an d ru men degradability. In :
Tisserand J.-L. (ed.), Alibés X. (ed.). Fourrages et sous-produits méditerranéens . Zaragoza : CIHEAM,
1991. p. 161-162 (Options Méditerranéennes : Série A. Séminaires Méditerranéens; n. 16)
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Energysupplementation of straw-baseddiets:
substitution of sugarbeetpulpwithCasoaps.
Performancetrialswithheifersand
rumendegradability
M. PINOSA*,S. BOVOLENTA“, M.
*ISTITUTO DI PRODUZIONE ANIMALE
33010 PAGNACCO,UDINE, ITALY
-
on an
The
O, 0.2,
of
of Ca-soapsdidnot
of
if
to have any significant negative affects on
of
at the O.Skg/day level (508;
- “Complémentation énergétique des rations à base de pailles”. La substitution partielle des pulpes de betteraves avec
O; 0,2; 0,4; 0,6 kglj des savons de Ca n’a pas modifié de manière significative l‘ingestion de
la paille (en moyenne 4,1 kglj on
observe
effet négatif (508; 484; 484; 323 g/j). Les valeurs de disparition “in sacco”
et les caractéristiques du jus de rumen
semblent indiquer que l’apport d‘acides gras sous forme de savons n’a pas d‘effet négatif SW les fermentations microbiennes et
sur les bactéries cellulolytiques en particulier.
Introduction
Sentitive value of
is significantly affected by
the type of
feed used (1, 2, 4).
pulp,
digestible
is
to be
than
as it
less
cellulolytic activity.
beet pulp could
intake as it hasa
bulk
(3,5). The use of calcium soaps, which have an
twice that of
and beet pulp, could
be a convenient
to these supplements.
This
ation
tially
Table 1. Composition of diets, daily intake and performances of heifers
4
the
with
of wheat
utilisof calcium
beet pulp on an
basis.
sawdust
The
(table 1) consisted
of ad-libitum wheat
pulp, Ca soaps,
tein supplement and molasses. The quantities of beet pulp
(3.27;2.65; 2.00; 1.33 kg
Casoaps (O; 0.2; 0.4;
0.6 kg
and
supplement
Material and methods
lasted 124 d, was conducted
432 1 6kg) divid4 open sheds on
The
with 28 Simmental
ed into 4 equal
-
-
n.O
16
-
3
kg dm.
pulp
Fatty
soaps
acid
Supplement
‘l
1
4.01
1.33
2.00
2.65
3.27
2
4.05 4.114.30
0.20 0.40 0.60
0.711.02
0.93
0.82
‘‘ 0.35
0.35
0.35
0.35
Total
“
8.34* 8.07b 7.9gb 0.04
7.4lC
512.14429 431 430 419
323 484
Weight gain 32936.25
gld 484 508
“
“
a,b,c:
1991: 161-162
Serie A: Seminaires mediterraneens
0.04
CIHEAM - Options Mediterraneennes
the same quantities of NE (U.F.L.) and Nx6.25.
Calan gates
used to obtain individual daily intakes.
Weight gains
on fasted animals as the
of two weighings on successive days.
gave only a modest gain. Even ifthis
notable (-36% with
to the
in weight gain
this
cance.
situ
matThe second
the
de
24, 48 and 72
of incubation,
using the nylon bag technique with 9 fistulated cows (3
and the diets used in
1, 3 and
4
liquid was
sampled
analysis O, 2, 6 and 10
the moming feed on the day when the bags
into
The addition of Ca soaps and the consequent
tion in beet pulp
causing an
2:6.5; 3:6.6)and a
of V.F.AS. (105
84 and 75 mmolb).
no
in the
centage of acetic acid with values stable at between 70
and 71%.
the
lowest values,
in the
animals, could be
due to
synthesis, itself
by the
availability
the
Finally, no significant
of
Losses of
and
to
the lack of
effect of saponified fatty acids on.
ity(4).
Table 2. Characteristics of therumenfluidand
situ d.m. degradabiblity of straw.
1
PH
Ammonia N
Total V,F,A.
Acetic acid
24 h
48 h
72 h
mg/
mmol/l
%
%
“
3
in
4
6.5 6.6
6.4
118.4 180.4 180.4
104.7a 831b 75.1b
70.1 70.7 71.0
27.9 23.9 10.96
27.8
35.6 2.82
35.7
33.9
40.2
41.4
40.5
0.15
18020.71
650.10
2.44
was
the
signifi-
Conclusions
The use of Ca soaps and the consequent
quantity of
even if no negative effects
on
cellulolytic activity, of
use
the
amounts of
Ca soaps
to
the efficiency of utilisation
of
based diets, whilst no effects
seen with
levels of 0.2 and 0.4 kg Ca soap/d.
2.57
References
Results and discussion
de l’aliment
J.
amounts of Ca soaps, although allowing
a noticeable
in the quantity of
did
not cause
in
consumption which
4.1
so a negative effect on total
intake was
(8.3; 8.1; 8.0; 7.4 kg
(Table
1).
and actual intakes of both NE and N
(between 5.8and 6.0 U.F.L.and 555 and 5668
noticeable
in the levels of
consumed, although these
within
the
the
of
and
liveweight gains, close to 500g/d,
satisthe
diets and
2 and 3,
whilst the diet with the highest
of Ca soaps
les
52, 37-41.
de le
ou non a la sonde
la
215-232.
de
TC.,
Calcium soaps on
J.
a base di stocchi di mais secchi
Num. h i m . 16, 39-48.
- 162 -
Serie A: Seminaires mediterraneens
ou
of
e non con ammoniaca. Zoot.