Poultry International - February 2020 - 11

PoultryInternational ❙ 11

The house must be prepared before chick
arrival, for example, enough time must be
allowed for heat to penetrate litter and
reach the floor below. pattonmania | iStock.com

Closing the house and turning on one or two fans to
generate a small amount of pressure while someone
walks around the outside of the house with an insect
fogger will reveal where smoke is entering the house.
Problem areas can be marked and remedied. This
should be done a week or two prior to chick arrival,
allowing time for action to be taken.

Achieving the right temperature
Where litter is reused, a treatment should be applied
72 to 74 hours before the chicks arrive.
The house should be preheated 36 to 48 hours
before chick arrival. It is important to allow enough
time for heat to penetrate the litter and to reach the
floor below.
Preheating the house will not only give chicks
the best temperature, it will also help to dry the
litter. In a house with circulation fans, they should
be used, as they will help to move hot air down to
where it is needed.
Bringing down hot air will also
Nutrition of pullet chicks during brooding:
reduce relative humidity, meaning
www.WATTAgNet.com/articles/3371
that use of the minimum ventilation
fans can be reduced.
Circulation fans also help to create
uniform conditions and will help to dry the litter,
to be entered, along with the static pressure measurewhich will help in reducing ammonia and in extending
ment. Through this data the leakage area can be
the life of litter treatments.
calculated, allowing an evaluation of how the tightness level will affect the minimum ventilation system.
Evaluate airflow
The spreadsheets also show the relative leakage area,
Airflow needs to be evaluated before the chicks arrive.
allowing houses of different sizes to be compared.
Ideally, this should be done on a cool morning, rather
Data on minimum ventilation can be entered,
than during warm weather. Cold air is heavier, and
including fan capacity, number of air inlets, the
on entering the house it can fall to the floor forming a
maximum air inlet height/opening, and length. This
cold blanket.
reveals the total inlet area and from this the openings
Twelve hours before the chicks arrive the floor
needed to feed the fans can be calculated.
temperature should be measured. The ideal temperaIn a loose house, fans will pull in air through the
ture is 90 to 105 F, while relative humidity should be
cracks. This will mean that the house will not be prop40 to 60%.
erly ventilated and that hot air close to the ceiling will
Ammonia levels should be no higher than 20 parts
not be used. In a tight house, more inlets will need to
per million (ppm), while carbon monoxide should be
be employed and they will need to be opened further.
below 50 ppm, but ideally zero. Carbon dioxide can
Discovering where leakage occurs is not difficult.
also be monitored.
February 2020 ❙ www.WATTAgNet.com


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Poultry International - February 2020

Table of Contents for the Digital Edition of Poultry International - February 2020

Poultry International - February 2020
Contents
Editor’s Comment
WATTAgNet.com
Top 11 European poultry producers
The key to successful broiler chick brooding
VIV MEA expanded for 2020 show in Abu Dhabi
Fast food chains ponder impact of plant-based proteins
4 ways to manage biofilm in poultry drinking water
Understanding the entire poultry gut microbiome
FeedStrategy.com launches Animal Feed Formulations Library
5 broiler early nutrition research highlights
6 issues set to shape 2020 poultry feed production
VICTAM Asia a total animal feed and health event
How today’s larger broilers impact processing operations
Products
Marketplace
Advertisers’ Index
Poultry International - February 2020 - Poultry International - February 2020
Poultry International - February 2020 - Cover2
Poultry International - February 2020 - Contents
Poultry International - February 2020 - Editor’s Comment
Poultry International - February 2020 - 3
Poultry International - February 2020 - 4
Poultry International - February 2020 - WATTAgNet.com
Poultry International - February 2020 - Top 11 European poultry producers
Poultry International - February 2020 - 7
Poultry International - February 2020 - 8
Poultry International - February 2020 - 9
Poultry International - February 2020 - The key to successful broiler chick brooding
Poultry International - February 2020 - 11
Poultry International - February 2020 - 12
Poultry International - February 2020 - 13
Poultry International - February 2020 - 14
Poultry International - February 2020 - 15
Poultry International - February 2020 - VIV MEA expanded for 2020 show in Abu Dhabi
Poultry International - February 2020 - 17
Poultry International - February 2020 - Fast food chains ponder impact of plant-based proteins
Poultry International - February 2020 - 19
Poultry International - February 2020 - 4 ways to manage biofilm in poultry drinking water
Poultry International - February 2020 - 21
Poultry International - February 2020 - 22
Poultry International - February 2020 - 23
Poultry International - February 2020 - Understanding the entire poultry gut microbiome
Poultry International - February 2020 - 25
Poultry International - February 2020 - 26
Poultry International - February 2020 - 27
Poultry International - February 2020 - FeedStrategy.com launches Animal Feed Formulations Library
Poultry International - February 2020 - 29
Poultry International - February 2020 - 5 broiler early nutrition research highlights
Poultry International - February 2020 - 31
Poultry International - February 2020 - 32
Poultry International - February 2020 - 33
Poultry International - February 2020 - 6 issues set to shape 2020 poultry feed production
Poultry International - February 2020 - 35
Poultry International - February 2020 - 36
Poultry International - February 2020 - 37
Poultry International - February 2020 - 38
Poultry International - February 2020 - 39
Poultry International - February 2020 - VICTAM Asia a total animal feed and health event
Poultry International - February 2020 - 41
Poultry International - February 2020 - How today’s larger broilers impact processing operations
Poultry International - February 2020 - 43
Poultry International - February 2020 - 44
Poultry International - February 2020 - 45
Poultry International - February 2020 - 46
Poultry International - February 2020 - 47
Poultry International - February 2020 - Products
Poultry International - February 2020 - 49
Poultry International - February 2020 - 50
Poultry International - February 2020 - 51
Poultry International - February 2020 - Advertisers’ Index
Poultry International - February 2020 - Cover3
Poultry International - February 2020 - Cover4
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