The effects of the avilamycin, Protexin® and basil essential oil supplements on ileal bacteria of broiler chickens

Riyazi, Seyyed Reza; Ebrahimnezhad, Yahya; Hosseini, Sayed Abdoullah; Meimandipour, Amir; Ghorbani, Abolfazl

doi:10.4081/vsd.2015.5819

Cited by 1 publication

(2 citation statements)

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“…In this study, the effect of the studied phytogenic herbs was found to be very effective in improving the performances of broiler chickens and exhibiting antimicrobial activities. Likewise, the findings of the present study and other reports suggest that phytogenics inclusion in the broiler diet improves the total number of beneficial bacteria, such as Lactobacilli, and reduces pathogenic bacteria growth, such as E. coli in the cecum (Riyazi et al, 2015a;Ahmed et al, 2016;Alagawany et al, 2021). These could lead to improved resistance to gut disease, enhance chickens' immunity, improve digestion, improve nutrient absorption, and in turn significantly improve the BWG of chickens.…”

Section: Discussionsupporting

confidence: 82%

“…However, the Lactobacillus count was higher in all treatments compared to the control. This finding coincides with Riyazi et al (2015a), who reported that the inclusion of 600 ppm basil essential oil reduces E. coli and increases Lactobacillus bacterial colonies count in broiler chicken. The presence of flavonoids in the Ocimum spp.…”

Section: Caecum Bacterial Countsupporting

confidence: 91%

See 1 more Smart Citation

Effects of Phytogenic Feed Additives on Body Weight Gain and Gut Bacterial Load in Broiler Chickens

D¹,

Ayele²,

Waktole³

et al. 2023

WVJ

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Phytogenic feed additives (PFAs) have promising importance in chicken production as antibiotic alternatives to balance chicken gut microorganisms and improve productivity. The objectives of this study were to evaluate the body weight gain (BWG) and gut bacterial load of broiler chicks fed on selected herbs. For this experiment, 360 unsexed one-day-old broiler chicks of Cobb 500 with an average weight of 40.74 g were randomly allocated into six treatment groups with three replicates of 20 chicks in each pen. The treatment 1 (T1) group was fed by a basal diet alone. Chickens of T2, T3, T4, T5, and T6 were fed the basal diet containing 1% of basil, lemongrass, peppermint, rosemary, and thyme leaves powder, respectively for 49 days. Body weight (BW), BWG, and average daily weight gain (ADWG) data were recorded every week and at the end of every phase. On days 21 and 42, three chickens from each replicate were slaughtered for microbiological analysis (pathogenic and normal flora) of cecum contents aseptically. The obtained result showed that chickens kept on T3 had significantly higher BW, BWG, and ADWG during the starter and grower phases. Significantly highest final BW was recorded during the finisher phase on T3 and T6. Chickens that consumed T3 and T6 had significantly higher overall BWG and ADWG. The lowest Escherichia coli counts were seen in chickens fed on rosemary (T5) on both days 21 and 42 of the experimental time. Similarly, the highest Lactobacilli counts were recorded on chicken fed on T5 (day 21) and T3 (day 42). On the other hand, almost all treatment herbs showed a higher Enterococcal count, with the highest recorded for T3 (day 21) and T6 (day 42). The present findings suggest that supplementing lemongrass and thyme leaf powder improves BW performance and gut microbial composition. Likewise, rosemary leaf powder enhances the beneficial microbial composition and reduces pathogenic bacteria. However, the underlying detailed biological mechanisms and dose standardization of these herbs for inclusion in the diet of broiler chickens need to be studied further.

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Section: Discussionsupporting

confidence: 82%

Section: Caecum Bacterial Countsupporting

confidence: 91%