Comparing Mineral Sources for Pullet Growth and Egg Quality
Author Information
Author(s): Alfonso-Carrillo Clara, Akbari Moghaddam Kakhki Reza, Garcia-Ruiz Ana Isabel
Primary Institution: Poultry Research Centre, Trouw Nutrition R&D, El Viso de San Juan, Toledo, Spain
Hypothesis
Does the source of manganese, zinc, and copper in rearing diets affect pullet growth and egg quality?
Conclusion
Hydroxychloride minerals in rearing diets improved feed intake and efficiency, leading to better laying performance without affecting body weight or eggshell quality.
Supporting Evidence
- Pullets fed hydroxychloride minerals had a higher feed conversion ratio.
- Hens previously fed hydroxychloride minerals showed increased average daily feed intake and egg weight.
- Hydroxychloride minerals may improve palatability and nutrient absorption.
Takeaway
Feeding young hens different types of minerals can help them grow better and lay bigger eggs later on.
Methodology
120 pullets were divided into two groups, each receiving different mineral sources in their diets during rearing and laying phases.
Potential Biases
Potential bias due to the authors' affiliation with the company providing the mineral sources.
Limitations
The study did not assess the long-term effects beyond 50 weeks or the impact of different environmental conditions.
Participant Demographics
ISA Brown day-old pullets from a commercial hatchery.
Statistical Information
P-Value
0.023
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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