Background:

Cuba’s subtropical climate favors the circulation of agents that cause gastroenteric parasitic diseases, a serious health problem in sheep raising.

Aim.

To determine the relationship between hematologic variables and the parasitic burden on different farms.

Materials and methods:

This research study took place between January and June 2021. A total of 294 adult Pelibuey sheep were included in the study, all of which had a coprological test, hemogram, and differential. One-way ANOVA was used to study the variables per production unit. HSDTukey multiple comparison test was used as well. Pearson correlation was performed to determine the relationship between the variables included; the hematological variables with the greatest impact on parasites were compared.

Results:

The animals were considered resilient, since their hematological values were within the normal ranges, despite the different parasitic burdens with Haemonchus contortus. The correlation analysis of highly parasitized animals showed a positive correlation between the corpuscular hemoglobin concentration mean (CHCM) and the hemoglobin concentration (r’=0.812**). The Hb concentration showed a positive correlation with the hematocrit (Ht) (r=0.775**), whereas the eggs per feces gram test was negative (r= -0.430**).

Conclusions:

The correlation coefficient for hemoglobin, hematocrit, mean corpuscular hemoglobin concentration, lymphocytes, and neutrophils was more visible in the animals infested with a parasitic burden below 800 eggs per gram.