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Open Access Highly Accessed Study protocol

Complementary feeding: a Global Network cluster randomized controlled trial

Nancy F Krebs*, K Michael Hambidge, Manolo Mazariegos, Jamie Westcott, Norman Goco, Linda L Wright, Marion Koso-Thomas, Antoinette Tshefu, Carl Bose, Omrana Pasha, Robert Goldenberg, Elwyn Chomba, Waldemar Carlo, Mark Kindem, Abhik Das, Ty Hartwell, Elizabeth McClure and the Complementary Feeding Study Group

BMC Pediatrics 2011, 11:4  doi:10.1186/1471-2431-11-4

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dominant effect of protein

Peter Woolf   (2011-03-17 09:16)  Foodwiki LLC email

I'm curious about the protein composition of the two diets. As you show in Table 1, the beef diet adds 13 or 19.5 g of protein for the 6-12 and 13-18 month range, while the cereal diet adds only 3.07 or 4.60 for each group.

RDA values for protein for infants up to 12 months are 13-14 g/day while for 1-3 years old is 16 g/day. In this case, the beef is providing 100% or more of the infant's RDA of protein, while the cereal is providing only ~20%.

The role of dietary protein on linear growth is well established when protein is limiting--which is likely to be the case here.

It would be interesting if in the study you also measured/estimated the protein intake per infant in both groups in each location. This would help to tease out the role of total protein from the meat/cereal comparison.

Competing interests

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