To determine the percentage of Strongylid eggs shedding reduction in samples after the supplementation, we calculated the mean number of eggs in the samples from each group before supplementation (T1) and after supplementation (T2), and used the equation [25 (link), 27 ]:
The 95% confidence intervals were calculated with the eggCounts on-line analysis program [25 (link), 46 (link)], using the Two samples paired model procedure (
Eggs of other parasites and coccidian oocysts were found only in small numbers in some animals and were therefore not included in the statistical analysis.