Dietary Supplementation with Rosa rubiginosa petal as a Natural Feed Additive Modulates Growth Performance, Skin Pigmentation, Immunity, and Gut Health in Goldfish (Carassius auratus)
Abstract
Natural
additives
are
increasingly
valued
in
ornamental
fish
aquaculture.
Rose
petal
contains
bioactive
compounds,
yet
their
effects
on
goldfish
(Carassius
auratus )
remain
underexplored.
This
study
assessed
the
impacts
of
graded
dietary
rose
supplementation
(0,
5,
10,
20,
and
40
g/kg;
RP-0
to
RP-40)
over
an
8-week
feeding
trial
growth
performance,
skin
pigmentation,
serum
antioxidant
status,
intestinal
gene
expression,
gut
microbiota
composition.
Fish
fed
RP-supplemented
diets,
particularly
at
g/kg,
exhibited
significantly
higher
final
weight
gain
than
group
(p
<
0.05),
without
adverse
survival
or
feed
conversion
ratio.
Skin
redness
(a⁎)
yellowness
(b⁎)
increased
a
dose-dependent
manner
0.05
RP-20/40
for
a⁎,
RP-40
b⁎).
Serum
capacity
improved
with
increasing
RP
levels,
as
indicated
by
ABTS
SOD
activities
lower
MDA
levels
0.05).
Dietary
also
upregulated
expression
(HSP70 ,
CYP1A ),
(IGF ,
TGF ),
immune
(LYZ ,
TNFα )
genes,
primarily
20–40
g/kg
While
altered
composition
based
beta
diversity
(PERMANOVA
p
=
0.017)
specific
taxon
abundances
(e.g.,
Staphylococcus
decreased
Alloprevotella
RP-5;
ANCOMBC2,
it
did
not
affect
alpha
exhibit
strong
correlations
host
physiological
parameters
after
FDR
correction.
Overall,
results
this
highlights
natural
functional
additive
Research Square (Research Square), Год журнала: 2025, Номер unknown
Опубликована: Май 15, 2025
Язык: Английский