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Animal Housing & Welfare

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by

Carrie Ijichi

on 10 February 2016

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Transcript of Animal Housing & Welfare

Animal Housing & Welfare
Introduction
The
physical environment
in which
animals live is
critical
to their welfare
GOAL
For you to get the
best mark
in your assessment that
you
are capable of getting
Bedding Substrates
Stocking Density
Typically measured in
kg
or
individuals per square meter
and very specifically monitored
Feeding
Factors such as
type
,
quantity
and
schedule
of feeding can affect animal welfare
Light is often maintained for
human convenience
, not the needs of the animals
Last week we...
Study Week...
Learning Outcomes
Evaluate the
causal factors
for welfare issues that arise within animal housing systems

Discuss proposed
solutions
to welfare issues within animal housing systems

Lighting
Enrichment
"An
improvement
in the
biological functioning
of captive animals
resulting

from
modification to their environment
"(Newberry, 2005)
Enclosure Design
Enclosure design can affect animals in several ways such as-
Why,
oh why?!
To facilitate
in depth
use of the information covered throughout the
lectures
and through
additional study
in your own time
While in the wild, animals can move between environments to
meet their needs
Therefore, we need to be very
mindful
of the environments that
we create
for the animals in our care
To do this you will need to-
Understand
key environmental factors
impacting on animal welfare
Be able to
discuss practical solutions
to these problems
Now let me help you get here...
Obviously, bedding should be
clean
. However, being too clean can
disrupt scent signals
and
social behaviour

Straw has many benefits -
physical comfort
,
temperature control
,
foraging, rooting
&
chewin
g behaviour and
nestin
g
BUT, it is more
costly
,
labour intensive
,
less hygienic
and
incompatible with drainage systems
Cattle can be satisfied with rubber matting but pigs benefit greatly from straw due to
increased rooting
and
nesting behaviour
In most intensive housing practices, bedding is
not changed
through the cycle so moisture content increase
significantly
with time
This relates to
hock burn
in chickens and
digital dermatitis
in cattle which cause
lameness
It will
vary between practices
such as -
Free range
Freedom food/RSPCA
Intensive
Its affects include levels of
aggressio
n,
locomotion
,
leg health
,
litter moisture
,
air quality
and
spread of disease

Sorenson et al, 2000; Huzzey et al, 2006; Ashley, 2006
For example, horses & pigs can get most of the nutrition they need from concentrates but this
does not satisfy their need to masticate
This also
does not satisfy gut fill
so even though the animal's nutritional needs are met, the animal is not satisfied
Different species require different schedules -carnivores are typically
opportunist feeders
whilst herbivores are usually
ad libitum feeders
Obviously,
over
and
under feeding
will challenge welfare due to it's effects on
body weight
Bergeron et al. 2006; Lyons et al, 1997
Feeding
schedule
can also significantly affect
abnormal behaviour
Encouraging
species typical behaviour
Allowing animals to
maintain themselves
by offering them
choices
- move away from observers & other animals, thermal regulation etc
Good design now makes
3D considerations
Mallapur et al, 2002;
Davey, 2006;
Lyons et al 1998
Burn et al, 2006; Haslam & Knowles, 2007; Laven, 2001; Tuyttens, 2005
Strong contrasts
can cause
fear responses
as animal's eyes don't contract and dilate as quickly as ours
Grandin & Johnson, 2005;
Morgan & Tromborg, 2007
The
length of cycle
and the
speed of changing light
impacts behaviour, circadian rhythms and the central nervous system
Animals, such as chickens & reptiles, can see and are affected by different
wavelengths
to us
They also are more affected by
Critical Flicker Fusion frequency
- fluorescent lights that appear constant to us flicker to many animals
Claxton, 2011; Scott et al, 2006; Young, 2003
To check that you can meet the following
Learning Outcomes:
Evaluate the
causal factors
for welfare issues that arise within
animal housing system
s
Discuss proposed
solutions
to welfare issues within animal housing systems
Communicate technical information clearl
y and
professionally
within time constraints
Revise the Intro & Legislation lectures - if it's on a slide I might ask you about it!
You
won't
be expected to supply information based on
additional reading
for the test, but you will need to show this in your exam
We'll be running a short Socrative test when you return
To check that you have been listening and
understand the lecture materia
l so far
To make sure you actually
study
in
study week
!
You need to -
Domestic & captive animals have their environments almost totally
controlled by humans.
Remember...
The submission date is
not a surprise
- you've got loads of time so
USE IT
What I want from you is
not a secret
- you've been told how to get good marks so
GO GET THEM
You are
bright
,
interesting
people so

SHOW ME WHAT YOU CAN DO
There is
no excuse
for you not to do your best
JUST DO IT
Problems & Solutions
This lecture will give you some
examples
of
considerations in animal housing but is
not an exhaustive list
!
Case Studies
Choose a video and take notes of potential housing problems that you see
These are
observations
rather than
judgements
Hit the Bullseye with Academic Writing
Looked in detail at preparing this assignment including:
The brief
Turnitin
Common mistakes
Past assignment (good examples are now up on Moodle)
You are also expected to bring some form of draft assignment to class for peer-drafting
You can either swap with friends OR identify yourself with a student number and I'll random assign around the room
Critical Reading Form
Tomorrow...
Emma Stevens will call in briefly to help you all set up Google Scholar to link all your subscriptions
We'll then use Padlet you collaborate on finding quality research to support the assignment
You will need to bring a tablet or laptop to this session
Grace Carroll will also call in to help us with this
Full transcript