Journal of Experimental Zoology Part A Ecological and Integrative Physiology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
ABSTRACT
The
assimilation,
retention,
and
release
of
nutrients
by
animals
fundamentally
shapes
their
physiology
contributions
to
ecological
processes
(e.g.,
zoogeochemistry).
Yet,
information
on
the
transit
through
bodies
large
mammals
remains
scarce.
Here,
we
examined
how
sodium
(Na),
a
key
element
for
animal
health
ecosystem
functioning,
travels
differently
fecal
urinary
systems
cows
(
Bos
taurus
)
horses
Equus
ferus
caballus
).
We
provided
dose
Na
compared
its
timing
in
feces
urine
that
nonabsorbable
markers.
excretion
occurred
approximately
twice
as
fast
feces,
yet
both
were
shorter
than
indigestible
particle
These
differences
correspond
rapid
absorption
upper
gastrointestinal
tract
transport
blood
kidneys
(urine
excretion)
or
resecretion
into
lower
intestinal
(fecal
excretion).
Interestingly,
cows,
found
second
peak
>
96
h
after
dosage.
This
result
may
indicate
surplus
can
be
rapidly
absorbed
stored
specific
body
cells
skin),
from
which
it
is
later
released.
Using
propagule
dispersal
model,
distance
cattle‐
horse‐driven
nutrient
was
31%
36%
less
pathway
60%
41%
marker
pathway,
commonly
used
estimate
dispersal.
Future
physiological
zoogeochemical
studies
should
resolve
different
pathways
retention
mammals.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 14, 2025
Abstract
Bat
guano
may
contain
zoonotic
parasites
that
contaminate
the
environment
and/or
serve
as
a
potential
source
of
infection
to
humans
and
animals.
Repeated
bat-human
exposure
could
be
risk
factor
for
zoonosis.
To
date,
knowledge
on
status
bat
gastrointestinal
(GIPs)
in
Uganda
is
limited.
We
conducted
cross-sectional
study
investigate
prevalence
GIP
species
communities
contiguous
Semuliki
National
Park
(SNP)
Bundibugyo
district
western
Uganda.
purposively
collected
faecal
samples
micro-
(n
=
242)
mega-bats
from
roosts
SNP
during
rainy
months
October
December
2023
dry
January
March
2024.
Standard
floatation
sedimentation
techniques
were
used
laboratory
examination.
Microscopic
examination
revealed
224
(46%)
tested
positive
more
than
one
parasite
species.
Thirteen
GIPs,
including
protozoa
3),
trematode
1),
cestode
nematodes
8)
detected.
The
most
prevalent
Entamoeba
coli
(57%),
Hookworm
(33%),
Strongyloides
sp.
E.
histolytica
(32%),
least
two
Unidentified
(1%).
77%
10)
detected
GIPs
are
responsible
zoonosis
significant
public
health
importance.
Statistically,
there
was
difference
(P
<
0.05)
overall
across
four
studied
groups.
Also,
significantly
higher
microbats
compared
megabats
Burondo
sub-county
Ntandi
town
council
0.05).
pose
conservation
area
Park,
This
calls
awareness
creation
risks
mediated
parasitosis
use
good
sanitary
practices
prevent
chances
spillover
bats
humans.
Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
15(4)
Published: April 1, 2025
ABSTRACT
Juvenile
malnutrition
is
a
global
public
health
concern
that
negatively
impacts
the
development
and
maturation
of
immune
system,
leading
to
increased
susceptibility
infectious
diseases.
Such
adverse
effects
on
immunity
might
increase
with
ageing,
worsening
disease
conditions
later
in
life.
Furthermore,
may
persist
across
generations,
imposing
strong
natural
selection
survive
nutrient
shortage.
However,
it
unclear
how
evolutionary
history
ancestral
generations
chronic
could
influence
pathogen
resistance
infection
susceptibility,
as
well
their
age‐specific
changes
extant
generations.
To
address
this,
we
used
Drosophila
melanogaster
populations
adapted
juvenile
exposed
them
bacterial
pathogen,
Providencia
rettgeri
,
during
early
late
adulthood.
Surprisingly,
observed
malnutrition,
young
flies
survived
better
by
tolerating
infection,
while
control
displayed
higher
despite
carrying
similar
load.
this
pattern
post‐infection
survival
reversed
ageing.
There
was
no
change
resistance,
but
evolved
succumbed
more
than
regardless
input
doses.
Our
study
thus
revealed
new
insights
into
contrasting
early–late‐life
strategies
vulnerabilities
function
early‐life
malnutrition.
Journal of Experimental Zoology Part A Ecological and Integrative Physiology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
ABSTRACT
The
assimilation,
retention,
and
release
of
nutrients
by
animals
fundamentally
shapes
their
physiology
contributions
to
ecological
processes
(e.g.,
zoogeochemistry).
Yet,
information
on
the
transit
through
bodies
large
mammals
remains
scarce.
Here,
we
examined
how
sodium
(Na),
a
key
element
for
animal
health
ecosystem
functioning,
travels
differently
fecal
urinary
systems
cows
(
Bos
taurus
)
horses
Equus
ferus
caballus
).
We
provided
dose
Na
compared
its
timing
in
feces
urine
that
nonabsorbable
markers.
excretion
occurred
approximately
twice
as
fast
feces,
yet
both
were
shorter
than
indigestible
particle
These
differences
correspond
rapid
absorption
upper
gastrointestinal
tract
transport
blood
kidneys
(urine
excretion)
or
resecretion
into
lower
intestinal
(fecal
excretion).
Interestingly,
cows,
found
second
peak
>
96
h
after
dosage.
This
result
may
indicate
surplus
can
be
rapidly
absorbed
stored
specific
body
cells
skin),
from
which
it
is
later
released.
Using
propagule
dispersal
model,
distance
cattle‐
horse‐driven
nutrient
was
31%
36%
less
pathway
60%
41%
marker
pathway,
commonly
used
estimate
dispersal.
Future
physiological
zoogeochemical
studies
should
resolve
different
pathways
retention
mammals.
