Unraveling the Potential of Black Soldier Fly Larvae as a Sustainable Protein Source for Nile Tilapia Production in Diverse Aquaculture Systems
Aquaculture Nutrition,
Journal Year:
2025,
Volume and Issue:
2025(1)
Published: Jan. 1, 2025
Aquaculture
plays
a
critical
role
in
global
food
security,
with
Nile
tilapia
(
Oreochromis
niloticus
)
recognized
for
its
adaptability
and
robust
growth.
However,
traditional
feeds,
heavily
reliant
on
fishmeal
(FM)
soybean
meal,
face
economic
environmental
challenges.
In
response,
black
soldier
fly
larvae
meal
(BSFLM)
has
emerged
as
promising,
nutrient‐dense
alternative.
This
review
synthesizes
existing
literature
BSFLM’s
nutritional
profile
suitability
diets,
while
acknowledging
that
the
data
come
from
diverse
independent
studies
conducted
under
varying
conditions
husbandry
practices.
BSFLM
consistently
provides
high‐quality
protein
(29.9%–48.2%),
aligning
tilapia’s
requirements,
is
rich
essential
minerals
fatty
acids.
While
lipid
content
(25.69%–28.43%)
may
require
processing
adjustments,
overall
supports
health
Trends
case
suggest
certain
systems,
such
hapas
placed
ponds,
have
reported
favorable
growth
feed
conversion
efficiencies
at
50%
FM
replacement
levels.
these
findings
cannot
be
directly
compared
across
all
due
to
differences
methodologies,
culture
conditions,
inclusion
rates.
Instead,
they
collectively
indicate
can
effectively
replace
sources
enhance
sustainability.
As
research
production
scale
up,
careful
consideration
of
context,
system
design,
formulations
will
essential.
Collaborative
efforts
among
researchers,
industry,
policymakers
further
refine
use
BSFLM,
ultimately
advancing
sustainability
aquaculture.
Language: Английский
The Roles of Environmental Change and Fishing in Norwegian Coastal Cod Stock Dynamics
Fisheries Oceanography,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 27, 2025
ABSTRACT
Disentangling
the
roles
of
fishing
and
environmental
factors
in
fish
stock
dynamics
is
fundamental
for
sustainable
fisheries
management.
The
biomass
Norwegian
coastal
cod
north
67°N
has
varied
between
periods
increase
decline
recent
decades,
with
declining
since
2014.
Here
we
developed
a
population
model
this
stock.
was
statistically
fitted
to
survey
indices
abundance‐
length‐at‐age
covariates
from
1995
2022.
final
included
negative
effect
saithe
on
survival
age
1,
positive
temperature
effects
growth
ages
2
3,
density
dependence
growth,
size‐dependent
maturation,
fishery
adult
survival.
Hindcast
scenario
simulations,
where
influences
or
mortality
were
fixed,
used
disentangle
recruitment,
fluctuations
decades.
changes
appear
mainly
be
driven
by
hence
fishing.
mostly
direct
removal,
no
indication
fishery‐caused
recruitment
failure
at
spatial
scale
represented
model.
Language: Английский
Fish and Seafood
Simon Sneddon
No information about this author
Published: Jan. 1, 2025
Language: Английский
What affects the level of local social acceptance of salmon farming in Norway?
Aquaculture,
Journal Year:
2024,
Volume and Issue:
588, P. 740926 - 740926
Published: April 9, 2024
The
concept
of
a
social
licence
to
operate
(SLO)
that
first
emerged
related
mining
has
been
developed
into
several
strands
theoretical
models
and
used
study
the
acceptance
industries
in
different
contexts.
There
is
an
emerging
literature
on
SLO
for
salmon-farming,
but
very
few
quantitative
analyses
are
done
identify
assess
factors
affect
level
acceptance.
Models
explain
levels
from
people's
trust
industry
or
company,
their
confidence
governance,
views
procedural
distributional
fairness
(trust
models)
designed
analysis,
they
have
successful
explaining
mining.
In
this
paper,
we
use
survey
data
test
whether
can
also
local
salmon
farming
Norway.
From
structural
equation
modelling
conclude
these
at
best
limited
explanatory
power
our
case.
We
then
develop
alternative
model
analyse
acceptance,
where
perception
attitudes
respondents'
individual
characteristics
tested
as
direct
regression
paths
influence
This
explains
variation
well.
most
strongly
which
authorities
influence,
what
degree
aquaculture
environmentally
sustainable,
acts
according
society's
expectations,
if
trustworthy.
Practical
implications
governance
discussed.
Language: Английский
Comparative Study of Fatty Acid Composition of Muscles of Atlantic Cod (Gadus Morhua Linnaeus, 1758) with Natural Diet and Feeding near Salmon Farms
Aquaculture Journal,
Journal Year:
2024,
Volume and Issue:
4(4), P. 246 - 254
Published: Oct. 4, 2024
Coastal
aquaculture
and
local
fisheries
interact
in
shared
marine
environments,
influencing
each
other
synergistically
and/or
antagonistically.
Salmon
farming,
notably
with
open-net
sea
cages
along
the
Norwegian
coast,
attracts
wild
fish
due
to
increased
food
availability
from
uneaten
feed,
but
it
also
exposes
farm
emissions
like
waste
toxic
chemicals
(de-lice
treatments,
antifouling
medical
agents).
The
attraction
behaviour
of
can
impact
fatty
acid
composition
tissues,
influenced
by
high
terrestrial
fat
content
salmon
aquafeed.
We
study
how
Atlantic
cod,
aggregating
around
farms
a
subarctic
fjord
Northern
Norway,
be
affected,
potentially
altering
their
natural
diet
profiles.
Our
compares
muscle-tissue
compositions
cod
caught
near
facilities
(impact)
versus
neighbouring
fjords
(control),
we
hypothesise
decreased
omega-3
acids
farms.
analysis
revealed
no
significant
differences
concentrations
or
categories
between
impacted
control
fish,
challenging
our
initial
expectations.
However,
were
found
for
C18:1(n9)t
(elaidic
acid),
higher
value
fish.
These
findings
suggest
that
farming’s
influence
on
cod’s
profiles
flesh
(i.e.,
relevant
nutritional
quality
fillets
consumers
eat)
may
limited
minimal
despite
aggregative
behaviours
threshold
levels
feed
consumed
before
affects
survival
of,
e.g.,
sperm
life
stages,
are
not
known
require
new
investigations.
This
underscores
complexity
interactions
fisheries,
impacting
both
ecological
dynamics
consumer
perspectives
seafood
health
benefits.
Language: Английский