Sunday, October 30, 2016

How to increase egg sizes and weight through fowl nutrition

It has always been saying, eggs production is the primary aim of raising layers in any poultry farm globally. Though, they are some advantages associated with raising layers which we are not going to write about now. 

This write up will focus on what can be done to increase the sizes of table eggs in any poultry farm. But before I will highlight these factors, I will like us to consider some facts which are common among farmer today. 

Every consumer will like to pay for large eggs rather than small or medium size eggs. Meanwhile, the fact remain that for hens to lay bigger eggs requires extra energy and resource in which farmer are not ready to pay.

sizes of eggs
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Egg weight remains a quality factor in certain markets, worldwide, and especially where eggs are sold and bought fresh. Controlling egg weight can be a difficult exercise as several factors are implicated. 

In fact, a large egg is not always a "good" egg, because with increasing egg size, eggshell thickness is reduced as a hen will deposit only 2 grams of calcium per egg, no matter its size. Nevertheless, when egg weight needs to be increased, the following four steps can be taken. 

Now let put more light on the factors which will enhances the sizes and weight of production in the poultry, these factors are:

Body weight has influence on egg sizes and weight
fully grown layer
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It is well known that heavier hens produce heavier eggs, assuming they receive enough nutrients to support their needs. Indeed, brown-egg layers tend to produce slightly larger eggs because they have a heavier mature body weight compared to smaller white-egg layers.

But, even within a certain hybrid, it is possible to slightly increase egg weight by increasing mature body weight. This is best achieved by ensuring pullets enter egg production with a large enough frame (and associated body weight) to support a gradual increase in body weight, that is mostly muscles and not just body fat.

Health condition of the birds has effect on eggs sizes and weight
For birds to lay big eggs they must be in good and healthy condition. Any infectious process could affect egg production through an effect on feed and water intake.

In addition, there is a re-partitioning of amino acids and proteins away from productive activities, such as egg production, towards the more immediate need for antibody production and other components of the immune response.

Newcastle disease, infectious bronchitis and EDS are known to cause drops in egg production and the formation of weak and defective eggshells because of direct damage to the oviduct.

Therefore to maintain high level of healthy conditions of poultry birds, it is advisable to: Give Lasota vaccine every 4-6 weeks during laying cycle. Regular monitoring of titre is very important.

Increase feed intake by birds affect egg sizes and weight
feed intake is increased
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It is generally assumed that the feed intake of laying hens will vary with the energy content of the feed. In other words, higher energy rations result in lower feed intake. 

Feeds formulated with low energy ingredients will have negative effect on the size of eggs produced. As long as the hens continue to grow, after reaching mature body weight, a slight increase in feed intake will most likely result in heavier eggs without further increasing body weight. 

This implies that hens have the genetic potential to produce heavier eggs, and the extra feed is balanced to support egg production, in terms of feed quality (protein quality) instead of just lipid deposition (if it contains just excess energy).

Heat stress of the birds has effect on egg sizes and weight
During summer period the feed consumption goes down and thereby the calcium intake of the birds, leading to reduced egg size and shell quality. 

Take sufficient summer precautions to avoid heat stress. Addition of 2 to 3 kg of Sodium bicarbonate in feed will help in maintaining the shell quality.

Vaccination programs to enhance internal and external egg quality affect egg sizes and weight
It has been well documented that some infectious diseases can have an adverse effect on egg quantity and quality. 

Any infectious process affecting inflammatory response could affect egg production through an effect on feed and water intake. In addition, there is a re-partitioning of amino acids and proteins away from productive activities, such as egg production, towards the more immediate need for antibody production and other components of the immune response. 

Newcastle disease and infectious bronchitis are known to cause drops in egg production and the formation of weak and defective eggshells because of direct damage to the oviduct. There are many successful approaches towards Newcastle and bronchitis vaccination. 

The strains of vaccine used and the routes of administration depend on the degree of risk for these diseases in an area.

Increase and balance protein intake affect egg sizes and weight
Extra feed will produce heavier eggs, and will increase body weight because most likely it will provide more energy than protein. 

To avoid this, it is possible to provide the extra protein directly by feed reformulation. To this end, egg weight responds to methionine levels during peak production, but not during the later period, when, it is egg numbers that responds to methionine supplementation. 

Conclusion
In conclusion, by critically observe the above points and following them will help to produced big eggs in the poultry. 

This will attract more market and more value to what you will get from the farm. There are numerous management we can follow to achieve big size and eggs with more weight, therefore controlling egg size requires the achievement of a balance between bodyweight control, egg production and egg size. 

If this article has helped you in one way or the other, do share with friends and let them benefits from it. On the other hand, if your opinions are not met, please just drop your comment.







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