Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Summary forest plot of the effects of FF on pig nutrient digestibility. CI, confidence interval; SMD, standard mean difference; Pegger, P-value of Egger’s test. The red circle represents the point estimate for each individual trial, and the horizontal line extending from each solid diamond represents the upper and lower limits of the 95% CI. If the 95% CI contains a zero value, there is no difference.
