News and analysis on the global poultry
and animal feed industries.

Zoe Kay

Zoe Kay is an independent consultant providing technical services to the animal health and nutrition industry. She can be reached at



Benefits of feeding fatty acids to sows

The addition of fatty acids to sow rations improves colostrum quality, piglet survival and performance
Trials show improvements in reproductive performance, colostrum immunoglobulin content and piglet immunity in sows fed rations including short- and medium- chain fatty acids.
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Reduced crude protein in pig diets cut nitrogen emissions

Utilizing a sustainable protein sources can have both economic and environmental benefits
Reducing dietary crude protein (CP) levels in finisher pig diets by 1 percent results in an 8 to 10 percent reduction in nitrogen excretion; however, it’s not the protein itself, but the amount, proportion and digestibility and availability of amino acids, which influence performance.
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Hen dietary considerations for improving egg quality

The amount of saleable egg produced per hen becomes even more important as cycle lengths increase along with a move toward cage free.
Egg quality declines naturally at the end of a laying cycle as egg size increases. Profitability of keeping hens longer requires nutritional support for egg quality. Diet formulation can influence the size and number of eggs laid. Calcium availability is key to shell strength but trace elements pay a key role in structural development.
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10 slow-growing broiler feeding tips

Nutritional specifications, diet regimen, feed intake and growth rates all need careful consideration by producers moving into this sector.
To ensure profitability in slow-growing broiler production, nutritionists should alter the nutrient density and the raw materials usage in their diets.
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Bacteriophages may offer antibiotic alternative for feed

Virus technology has the potential to provide an antibiotic alternative in livestock production while reducing pathogen contamination in human food.
As agriculture looks to reduce antibiotic use, bacteriophages could be used to prevent and treat bacterial infections in animals and humans.
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Cage free

8 considerations for cage-free laying hen nutrition

Egg producers must account for more than just housing when changing production practices
Beyond the housing investments, cage-free layers require alterations to their feeding programs. This article reviews eight considerations producers and nutritionists need to keep in mind.
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Beneficios de los aditivos de fibra en nutrición avícola

Las fuentes insolubles de fibra son esenciales tanto para el bienestar, como para el desempeño de las aves
A fin de mantener un sistema digestivo saludable, las aves cuentan con una necesidad inherente de fibra. Hay aditivos específicos que satisfacen este requerimiento con un bajo nivel de inclusión y composición garantizada, que mejoran, al mismo tiempo, los indicadores de desempeño en toda clase de aves.
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Mastitis in sows: A perennial problem

This condition can have serious consequences for the sow and piglets, both in the short and long term.
Inflammation of one or more of the mammary glands is referred to as mastitis. In the lactating sow, clinical onset is about 12 hours postpartum, having started at farrowing.
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What you should know about gastric ulcers in pigs

A common problem in growing pigs, producers can make nutritional and management changes to reduce the incidence of gastric ulcers.
There are several reasons why pigs develop ulcers. These may be related to stress, management, disease or nutrition.
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Benefits of fiber feed additives in poultry nutrition

Insoluble fiber source is essential for poultry welfare and performance
In order to maintain a healthy digestive system, birds have inherent need for fiber. Specific additives meet this requirement with a low-inclusion level and guaranteed composition, while improving performance indicators in all classes of poultry.
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