Journal
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
Volume 96, Issue 9, Pages 3058-3062Publisher
WILEY
DOI: 10.1002/jsfa.7477
Keywords
copper nanoparticles; copper sulfate; meat quality; performance
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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 themajority of Cu is excretedwith 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 andmortality, and higher percentage of breast and leg muscles in the carcass versus control. CONCLUSION: The in ovo application of Cu colloidsmay ensure an efficient penetration of Cu into the embryonic tissuewith long lasting effects on postnatal growth. Themethodmay provide a successful alternative to using Cu as a feed additive. (C) 2015 Society of Chemical Industry
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