Polish Journal of Environmental Studies,
Journal Year:
2023,
Volume and Issue:
33(1), P. 405 - 413
Published: Nov. 13, 2023
Water
bodies
in
cities
often
suffer
from
intense
eutrophication
due
to
excessive
nutrient
addition.Hence,
the
restoration
of
a
eutrophic
water
body
its
original
healthy
state
is
crucial.Therefore,
this
research
investigated
possible
use
polyaluminium
chloride
(PAC)
restore
shallow
pool
Thailand.A
dosage
PAC
at
30
g/m
2
was
applied
as
slurry
2021.Water
quality
and
sediment
properties
were
monitored
before,
during,
after
application
(four
consecutive
weeks).The
results
revealed
that
before
PAC,
hypereutrophic
(mean
total
nitrogen
0.74±0.32
mean
phosphorus
3.24±0.88mg/l).Mean
chlorophyll
exceptionally
high
(887.45±48.33µg/l).The
predominant
species
Spirulina
sp.
Microcystis
sp.After
parameters
improved.The
phosphorus,
turbidity
reduced
significantly
(p<0.05),
transparency
depth
enhanced.Furthermore,
intact
phytoplankton
cells
shifted
cyanobacteria
green
algae.Flocs
observed
surface
on
sediment.This
method
proved
be
practical
use,
low
operational
cost,
did
not
affect
freshwater
fauna
toxicity.
Poultry Science,
Journal Year:
2024,
Volume and Issue:
103(12), P. 104280 - 104280
Published: Sept. 1, 2024
Lactobacillus
plantarum
(L.
plantarum)
has
been
globally
regarded
as
antibiotic
alternative
in
animal
farming
the
past
few
years.
However,
potential
function
of
L.
broilers
not
systemically
explored.
In
this
study,
a
total
560
one-day-old
yellow-feathered
were
randomly
divided
into
3
groups,
fed
with
basal
diet
and
drank
HJZW08
(LP)
at
concentration
0
(CON),
1000
×
10^5
(LP1000),
2000
CFU/L
(LP2000)
for
70
d.
Results
showed
that
body
weight
(BW),
average
daily
gain
(ADG),
feed
intake
(ADFI),
immunoglobulin
A
(IgA),
IgY,
anti-inflammatory
interleukin
10
(IL-10)
markedly
improved
(P
<
0.05),
while
levels
pro-inflammatory
IL-2,
IL-1β,
IL-6,
tumor
necrosis
factor-α
(TNF-α)
serum
decreased
0.05)
LP2000
group
comparing
CON
group.
Besides,
LP
treatment
groups
prominently
increased
activities
antioxidant
enzymes
content
malondialdehyde
(MDA).
Additionally,
isobutyric
acid
LP1000
isovaleric
significantly
improved.
More
importantly,
α-diversity
microbial
structure
intestinal
microbiota
pronounced
altered
by
supplementation.
The
results
only
relative
abundance
Actinobacteriota
was
group,
6
kinds
bacteria
on
genus
level
changed.
For
further
validation,
linear
discriminant
analysis
effect
size
(LEfSe)
plots
revealed
8
amplicon
sequence
variants
(ASVs)
predominant
Bacteroides
other
beneficial
species
such
Lactimicrobium
massiliense
(ASV4
ASV36),
Intestinimonas
butyriciproducens
(ASV71),
Barnesiella
viscericola
(ASV152
ASV571)
enriched
groups.
Taken
together,
dietary
supplementation
obviously
enhanced
immune
status,
capacity,
stabilized
cecal
SCFAs,
contributing
to
improvement
growth
performance
broilers.
Our
study
laid
good
foundation
application
probiotic
industry
future.
