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Published on: June 21, 2015
In ovo administration of copper nanoparticles and copper sulfate positively influences chicken performance
Natalia Mroczek-Sosnowska1, Monika Łukasiewicz1, Agnieszka Wnuk1
1Department of Poultry Breeding, Faculty of Animal Science, Warsaw University of Life Sciences, Warsaw, Poland.
Background:
Copper (Cu) is a key trace mineral involved in a variety of physiological processes, and is commonly used in poultry production. However, regardless of the inclusion level the majority of Cu is excreted with poultry faeces. We hypothesise that in ovo administration will allow for better utilisation of Cu during embryo development than when supplied post-natally with feed to growing chickens. Thus, the objective of this study was to evaluate effects of in ovo administration of NanoCu and copper sulfate (CuSO4 ) on broiler chicken performance.
Results:
The study showed the positive influences of Cu nanoparticles and CuSO4 on broiler chickens performance. Body weight, at the end of the rearing period (day 42) was significantly higher in NanoCu (2206 g) and CuSO4 (2402 g) groups compared to the control group (2000 g). Both treatment groups had significantly lower feed conversion rate and mortality, and higher percentage of breast and leg muscles in the carcass versus control.
Conclusion:
The in ovo application of Cu colloids may ensure an efficient penetration of Cu into the embryonic tissue with long lasting effects on postnatal growth. The method may provide a successful alternative to using Cu as a feed additive. © 2015 Society of Chemical Industry.
