A Simple Spectrophotometric Method for Coccidian Oocysts Counting in Broiler Feces.

Purpose: This study aimed to develop a rapid spectrophotometric method for counting coccidian oocysts in broilers feces, based on a standard count method "Malassez cell".

Methods: Therefore, a raw suspension containing purified oocysts of Eimeria known to parasitize broiler chicken was used. Five concentrations of oocyst suspensions were prepared, and three series of counts using the proposed method were compared with the conventional protocol using Malassez cell to quantify oocysts.

Assessment of artemisinin and antioxidant activities of three wild Artemisia species of Algeria.

Artemisinin, a natural product, has received considerable attention in the last few years as a potent antimalarial drug.This study reports the presence of Artemisinin in three Algerian wild Artemisia species assessed by HPLC method: (AH), subsp. glutinosa (AC), and subsp sahariensis (AJ).

Effect of Pistacia lentiscus L. Vegetable Oil on Growth Performance and Coccidiosis in Broiler Chickens: In vitro and In vivo Assessment.

This study aims to assess the ability of vegetable oil of Pistacia lentiscus L. (lentiscus oil) in stimulating growth performance of broiler chickens and protecting them against coccidiosis. For this purpose, an in vitro test was first carried out to evaluate the destructive effect of this oil on Eimeria spp oocysts.

Essential oil composition and biological activities of Poir (Fabaceae).

The phytochemical and biological properties of Poir L. (Fabaceae) were investigated for the first time in this study. The chemical composition of the essential oil obtained from the aerial parts was analysed by GC-MS.

Improved stability of immobilized lipases via modification with polyethylenimine and glutaraldehyde.

Phospholipase Lecitase Ultra (LU) and lipase from Thermomyces lanuginosus (TLL) have been immobilized under conditions that favor either enzyme crowding or enzyme dispersion. Highly loaded LU was more stable than low loaded biocatalyst under all studied conditions. Using TLL, the results depended on the inactivation conditions, e.