Egg Industry - May 2019 - 10

10 ❙ EggIndustry
FEEDING FOR SUCCESS

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and phosphorus requirements for albumen formation,
ovulation and oviposition.
■ The afternoon diet is designed to meet requirements for
eggshell formation, in particular higher calcium levels.
Laying hen requirements for amino acids, energy,
calcium and phosphorous do not remain constant. Hens lay
the majority of their eggs in the morning, and their nutritional needs for the various stages of egg formation vary
throughout the day. When birds are offered a choice of diets,
an increased intake of protein and energy is observed in the
morning. Calcium intake, however, is higher during the latter
part of the day. Shell calcification takes 15 to 16 hours -
usually occurring overnight. Hens consume less nutrients
overall, using them more efficiently when they match their
requirements over the course of a day.

IN SPLIT FEEDING TRIALS,
egg production was at
least as good compared
with a commercial feed.

From rearing to layer, we have the most complete
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In split feeding trials, egg production was at least as good
compared with a commercial feed, with a number of benefits
observed, particularly later in the cycle. Experimental
data shows that when flocks are kept past 90 weeks, the
percentage of saleable eggs increased significantly (Figure 1).
This was due to a 30 percent reduction in broken and shellless eggs - hence a greater number of eggs that could be
sold as table eggs. Further results show that egg shell weight
and egg shell thickness increased by 1.3 percent (P<0.05),
leading to a 30 percent reduction in broken and shell-less
eggs - hence a greater number of eggs that could be sold as
table eggs. With a split feeding system, the laying hen is more
able to exhibit physiological feeding behavior - adjusting its
nutrient intake according to varying nutrient requirements
throughout the day.
www.WATTAgNet.com ❙ May 2019


http://www.BIGDUTCHMANUSA.COM/CAGEFREE http://WWW.BIGDUTCHMANUSA.COM http://www.WATTAgNet.com

Egg Industry - May 2019

Table of Contents for the Digital Edition of Egg Industry - May 2019

Egg Industry - May 2019
7 cage-free layer nutrition issues that require attention
Feeding for success in cage-free egg production
Top Egg Company trends, statistics and predictions
Egg Industry - May 2019 - CT1
Egg Industry - May 2019 - CT2
Egg Industry - May 2019 - Egg Industry - May 2019
Egg Industry - May 2019 - Cover2
Egg Industry - May 2019 - CT3
Egg Industry - May 2019 - CT4
Egg Industry - May 2019 - 3
Egg Industry - May 2019 - 7 cage-free layer nutrition issues that require attention
Egg Industry - May 2019 - 5
Egg Industry - May 2019 - 6
Egg Industry - May 2019 - 7
Egg Industry - May 2019 - Feeding for success in cage-free egg production
Egg Industry - May 2019 - 9
Egg Industry - May 2019 - 10
Egg Industry - May 2019 - 11
Egg Industry - May 2019 - 12
Egg Industry - May 2019 - 13
Egg Industry - May 2019 - 14
Egg Industry - May 2019 - 15
Egg Industry - May 2019 - Top Egg Company trends, statistics and predictions
Egg Industry - May 2019 - 17
Egg Industry - May 2019 - 18
Egg Industry - May 2019 - 19
Egg Industry - May 2019 - 20
Egg Industry - May 2019 - 21
Egg Industry - May 2019 - 22
Egg Industry - May 2019 - Cover3
Egg Industry - May 2019 - Cover4
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