Physiological responses and performance of broiler chickens offered olive leaf extract under a hot humid tropical climate

Oke, O.E.; Emeshili, U. K.; Iyasere, Oluwaseun S.; Abioja, M. O.; Daramola, J. O.; Ladokun, A. O.; Abiona, J. A.; Td, Williams; Rahman, Samson; Rotimi, Solomon O.; Balogun, S. I.; Adejuyigbe, A. E.

doi:10.3382/japr/pfx005

Cited by 54 publications

(45 citation statements)

References 23 publications

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“…In the present study, total antioxidant activity determined in blood was not altered by olive pulp addition to broiler diets. Contrary to our findings, Oke et al (2017) reported that inclusion of olive leaf extract in the water of broilers, reared in a hot and humid tropical climate, improved performance and increased plasma SOD activity. Similarly to our results, Tarek et al (2013) reported no significant difference in the performance of broiler chickens fed different doses of olive leaf extract in feed.…”

Section: Discussioncontrasting

confidence: 99%

Effects of olive pulp addition to broiler diets on performance, selected biochemical parameters and antioxidant enzymes

Pappas

Tsiplakou

Papadomichelakis

et al. 2019

J Hellenic Vet Med Soc

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Olive oil production generates various by-products that can be used in animal nutrition. These by-products contain several polyphenolic compounds that may exhibit antioxidant properties. The present study was designed to evaluate the effects of adding olive pulp to the feed on broiler performance, carcass yield and antioxidant enzymes. Two hundred (200), as hatched, day-old, Cobb 500 broilers were reared in total for 42 days. There were 4 dietary treatments. In T1 treatment, no olive pulp was added to starter, grower and finisher diet. In T2 treatment, olive pulp was added to starter, grower and finisher diet at a level of 0, 2.5 and 5% respectively. In T3 treatment, olive pulp was added to starter, grower and finisher diet at a level of 0, 5 and 5% respectively. In T4 treatment, olive pulp was added to starter, grower and finisher diet at a level of 0, 5 and 8% respectively. Performance, carcass yield and a number of biochemical parameters were examined. Oleuropein and hydroxytyrosol were present in the olive pulp at 952 and 216 mg/kg respectively. Broilers performed well and no differences were observed between treatments on final body weight, carcass yield, total antioxidant activity and expression of selected antioxidant enzymes. Discriminant analysis was further applied and revealed that samples clustered according to added level of olive pulp. Samples from broilers fed T2 and T3 diet were located in the middle of the plot away from other treatments exhibiting high values of carcass, breast yield and most of the antioxidant enzyme activities. In conclusion, olive pulp can be used up to 5% in diets of broilers and future studies conducted on-farm conditions may pronounce its impact on growth performance and antioxidant potential.

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Section: Discussioncontrasting

confidence: 99%

Effects of olive pulp addition to broiler diets on performance, selected biochemical parameters and antioxidant enzymes

Pappas

Tsiplakou

Papadomichelakis

et al. 2019

J Hellenic Vet Med Soc

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“…A high score could mean dehydrated or have another condition. Similar PCV % was observed by (Oke et al, 2017) for supplementary diet of olive leaf extract in broiler. The P-LCR % value significantly increased in the treatment groups due to the combined phytogenic effect of BW and HW in the supplementary diets for broiler chickens but our results higher than previously studied Olive oil, Black seed oil, Flax seed oil supplemented diet (Ashraf et al, 2019).…”

Section: Discussionsupporting

confidence: 84%

Honeyweed (Leonurus sibiricus) and Buckwheat (Fagopyrum esculentum) supplemented diet improve growth performance, lipid profile and hematological values of broiler chicks

Sayed

Abedin

Rahman

et al. 2020

Preprint

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The study was conducted to investigate the combined effects of honeyweed (HW) and buckwheat (BW) supplemented diets on the growth, feed intake, serum lipid profile and blood parameters in broiler chicks. One hundred fifty (150) day old chicks (Cobb-500) were divided into five groups viz. T1 (Commercial control, CC), T2 (FF+10% BW), T3 (FF+10% BW +5% (w/v) HW powder), T4 (FF+10% BW +10% (w/v) HW powder), T5 (FF+10% BW +15% (w/v) HW powder) in complete randomized design with five (5) replications, each of which contain six (6) birds. The CC feed and the FF with HW and BW supplemented diet fed on broiler for 30 days. At the end of the study, the body weight gain, FCR and mortality rate were calculated. It was found that T3 (FF+10% BW +5% (w/v) HW powder) diet significantly (p <0.05) showed the good FCR, mortality rate and body weight gain. Interestingly, T3 decreased the serum cholesterol, triglycerides (TG), low density lipoprotein (LDL), increased high density lipoprotein (HDL) and improves blood parameters significantly (p < 0.05). Our results suggested that this newly formulated feed T3 (FF+10% BW +5% (w/v) HW powder) could be considered as an alternative natural feed additive to hazardous synthetic antibiotics.

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“…Supplementation of 0.25%, 0.50% and 0.75% olive leaf powder in broilers' diet significantly elevated their BW and decreased the FCR compared with the control birds. Moreover, a recent study showed that the supplementation of 10 and 15 ml of olive leaf extract in the drinking water of heat‐stressed broiler chickens improved WG, final BW, FI and FCR compared to the unsupplemented group (Oke et al., 2017). These findings together suggest that the beneficial impacts of the olive leaf extract could be due to its well‐demonstrated antioxidant, anti‐inflammatory and antimicrobial activity.…”

Section: Effect Of Polyphenols On Poultry Performancementioning

confidence: 99%

The role of polyphenols in poultry nutrition

Abdel-Moneim

Shehata

Alzahrani

et al. 2020

Animal Physiology Nutrition

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The increased awareness regarding the quality and safety of poultry products and related health properties, in addition to the prohibition of antibiotic growth promoters from the European Union markets have raised attention of producers to plant-based feed additives as unconventional alternatives. Phytogenic feed supplements, such as spices, intact herbs and their extracts, prebiotics, probiotics, and essential oils are the conventional alternatives of antibiotic growth promoters in poultry production sector (Abd

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Physiological responses and performance of broiler chickens offered olive leaf extract under a hot humid tropical climate

Cited by 54 publications

References 23 publications

Effects of olive pulp addition to broiler diets on performance, selected biochemical parameters and antioxidant enzymes

Effects of olive pulp addition to broiler diets on performance, selected biochemical parameters and antioxidant enzymes

Honeyweed (Leonurus sibiricus) and Buckwheat (Fagopyrum esculentum) supplemented diet improve growth performance, lipid profile and hematological values of broiler chicks

The role of polyphenols in poultry nutrition

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