In Vitro Anticoccidial Activity of Olive Pulp (Olea europaea L. var. Chemlal) Extract Against Eimeria Oocysts in Broiler Chickens

Debbou-Iouknane, Nedjima; Nerı́n, Cristina; Amrane, Meriem; Ghemghar, Menana; Madani, Khodir; Ayad, Abdelhanine

doi:10.2478/s11686-019-00113-0

Cited by 21 publications

(11 citation statements)

References 73 publications

(50 reference statements)

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“…Most of these compounds are effective antioxidants; according to Kidd [31], antioxidant substances can reduce cellular free radical damage and improve the broilers' immunology, performance, and carcass. A recent study by Debbou-Iouknane et al [32] investigated the in vitro anticoccidial effect of olive pulp (Olea europaea L var. Chemlal) extract on the destruction of Eimeria spp.…”

Section: Introductionmentioning

confidence: 99%

Olive Pulp and Exogenous Enzymes Feed Supplementation Effect on the Carcass and Offal in Broilers: A Preliminary Study

et al. 2020

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Nowadays, there is an increasing interest in the exploitation and valorization of agricultural food waste and by-products. At the same time, the growing demand by markets worldwide, especially in Africa and Southeast Asia, can justify the growing interest in the use of by-products for the poultry industry. Olive pulp is one of the most interesting by-products of olive tree farming (typical of the Mediterranean area), being a good source of many biologically active compounds with antioxidant, antifungal, and antibacterial properties. The presence of processed olive pulp in the diet showed to be effective in increasing the weight of specific carcass and offal traits. This work aims at studying olive pulp as a feed supplement in poultry nutrition, by focusing on the effects on broiler carcass and offal. Olive pulp (OP) is one of the by-products of olive tree farming, being the residue of olive cake after it is dried. To evaluate the effects of OP in a diet supplemented with different levels of a commercial enzyme (ENZ) blend on broiler carcass and offal traits, three hundred male broiler chicks (Ross 308 lineage; one-day-old) were divided into ten treatment groups according to a completely randomized design. The treatments diets contained: unprocessed OP (50 g/kg, 100 g/kg, 50 g/kg with ENZ, 100 g/kg with ENZ), processed OP (50 g/kg, 100 g/kg, 50 g/kg with ENZ, 100 g/kg with ENZ), and control groups (without OP, and without OP with ENZ). The OP processing increased breast percentages in broilers. Supplementation with ENZ did not change any of the studied carcass or offal trait values. The presence of OP (50 g/kg) in broiler diets increased the eviscerated carcass, leg, and neck percentage values. The presence of processed OP (50 g/kg) in the diet showed to be effective in increasing the weight of specific carcass and offal traits.

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Section: Introductionmentioning

confidence: 99%

Olive Pulp and Exogenous Enzymes Feed Supplementation Effect on the Carcass and Offal in Broilers: A Preliminary Study

et al. 2020

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“…In broiler chickens, feed supplemented with alperujo have been demonstrated to improve productive performance parameters [14,15], and enhance redox status in tissues [16,17]. In addition, alperujo has been shown to possess anti-coccidial proprieties [18]. In laying hens, dried olive pomace supplementation has been demonstrated to modulate inflammation and cholesterol content in eggs through affecting gene expression [19].…”

Section: Introductionmentioning

confidence: 99%

Effects on Intestinal Mucosal Morphology, Productive Parameters and Microbiota Composition after Supplementation with Fermented Defatted Alperujo (FDA) in Laying Hens

et al. 2019

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The olive oil sector is currently adapting its traditional function to also become a supplier of high-value by-products that possess antioxidant, anti-inflammatory and antimicrobial properties. In this study, we evaluated the effect of the fermented defatted alperujo (FDA) on the intestinal health of laying hens. The morphology of the duodenal and cecal mucosa, the composition of the intestinal microbiota and the productivity of a batch of laying hens were evaluated after FDA supplementation. At early life stages, significant differences (p < 0.001) were observed in duodenal villi height and in crypt depth of both the duodenum and the cecum in the FDA-supplemented group, indicating improved intestinal health in this group. Microbiota composition in the hatchery group supplemented with FDA had a higher abundance of Actinobacteria, Firmicutes and Proteobacteria, and higher bacterial diversity. During the production period, significant differences (p < 0.05) were observed in the number of broken eggs from the supplemented group. We conclude that FDA supplementation improves the absorption capacity of the intestinal mucosa and modifies the intestinal microbiota to favor a greater immune response, leading to an increase in egg production.

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“…A comparative study of E. tenella development in different cell lines was done by Tierney and Mulcahy (2003); they proved that MDBK cells were the best epithelial lines for supporting the parasite's development up to merozoites. In their study, temperature was fundamental for the parasite's growth: cells growing at 41 • C instead of 37 • C supported the highest degrees of development [32]. In MDBK cells, Eimeria sporozoites develop into fully formed first generation merozoites; however, these do not reinvade new MDBK cells, for reasons that remain unclear [49].…”

Section: In Vitro Assessment Of the Endogenous Phasementioning

confidence: 97%

In Vitro Assessment of Anticoccidials: Methods and Molecules

Felici

Tugnoli²,

Piva

et al. 2021

Animals

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Avian coccidiosis is a disease causing considerable economic losses in the poultry industry. It is caused by Eimeria spp., protozoan parasites characterized by an exogenous–endogenous lifecycle. In vitro research on these pathogens is very complicated and lacks standardization. This review provides a description of the main in vitro protocols so far assessed focusing on the exogenous phase, with oocyst viability and sporulation assays, and on the endogenous phase, with invasion and developmental assays in cell cultures and in ovo. An overview of these in vitro applications to screen both old and new remedies and to understand the relative mode of action is also discussed.

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In Vitro Anticoccidial Activity of Olive Pulp (Olea europaea L. var. Chemlal) Extract Against Eimeria Oocysts in Broiler Chickens

Cited by 21 publications

References 73 publications

Olive Pulp and Exogenous Enzymes Feed Supplementation Effect on the Carcass and Offal in Broilers: A Preliminary Study

Olive Pulp and Exogenous Enzymes Feed Supplementation Effect on the Carcass and Offal in Broilers: A Preliminary Study

Effects on Intestinal Mucosal Morphology, Productive Parameters and Microbiota Composition after Supplementation with Fermented Defatted Alperujo (FDA) in Laying Hens

In Vitro Assessment of Anticoccidials: Methods and Molecules

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