showed a trendP = 0.067
Furthermore, Pb-fed birds showed a trend towards increased villus surface area ( VSA ) ( P = 0.067).
Furthermore, Pb-fed birds showed a trend towards increased villus surface area ( VSA ) ( P = 0.067).
Differences between means were considered statistically significant when the P -value was < 0.05 and were considered to show a tendency towards significance with 0.05 < P < 0.1.