Low-Protein Diet during Lactation and Maternal Metabolism in Rats
Author Information
Author(s): Vera L. Moretto, Marcia O. Ballen, Talita S. S. Gonçalves, Nair H. Kawashita, Luiz F. Stoppiglia, Roberto V. Veloso, Márcia Q. Latorraca, Maria Salete F. Martins, Maria Helena G. Gomes-da-Silva
Primary Institution: Universidade Federal de Mato Grosso (UFMT)
Hypothesis
The study aims to evaluate some metabolic alterations on maternal metabolism in low-protein rats during lactation.
Conclusion
A low-protein diet during lactation reduced the development of mammary glands and prolactin secretion, which compromised milk production and pups' growth.
Supporting Evidence
- Low-protein lactating dams had significantly lower final body mass compared to control.
- Serum glucose levels were higher in low-protein groups than in controls.
- Prolactin levels were significantly impaired in low-protein lactating dams.
Takeaway
When mother rats eat less protein while feeding their babies, they produce less milk and their babies don't grow as well.
Methodology
Female Wistar rats were divided into four groups and fed either a control or low-protein diet during pregnancy and lactation, with various metabolic parameters measured at the end of the lactation period.
Potential Biases
Potential bias in the selection of dietary protein levels and the specific metabolic measurements taken.
Limitations
The study was conducted on a specific strain of rats, which may limit the generalizability of the findings to other species or strains.
Participant Demographics
Female Wistar rats, aged 90 days.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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