Lipid profiles and production performance responses of laying hens to dietary Moringa oleifera leaf meal: systematic review and meta-analysis

Ogbuewu, I. P.; Mbajiorgu, C. A.

doi:10.1007/s11250-023-03693-2

Cited by 2 publications

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“…Fermented TLM has also been reported to improve productivity of animals other than broilers (Zhou et al 2015 ; Lee et al 2019 ). However, there are variable results on the impacts of dietary fermented TLM on broiler productivity and meat quality (Cao et al 2012 ; Mandey et al 2015 ; Santoso et al 2015 , 2018 ; Kim et al 2017 ; Manihuruk et al 2018 ; Niu et al 2019 ), and this discrepancy could be attributed to differences in broiler genetics, microorganisms implicated in the fermentation process, substrate used, composition of TLM, quantity of TLM incorporated into the diet and several other factors known to affect chicken performance (Ditengou et al 2023 ; Ogbuewu and Mbajiorgu 2023 ). Thus, it is pertinent to systematically summarise the findings of published studies that investigated the effects of FTLM on broiler chicken performance and product quality to enhance the use of these large volumes of information in evidence-based decision-making process.…”

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confidence: 99%

Determination of performance response of broilers to fermented tropical leaf meal supplementation using meta-analytical method

Ogbuewu,

Mabelebele,

Mbajiorgu

2024

Trop Anim Health Prod

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Fermented tropical leaf meals (FTLM) are currently added to chicken feed to improve chicken productivity due to their reported nutritional and medicinal benefits. However, the effects of FTLM on broiler productivity and health are less clear. Thus, this meta-analysis was designed to assess the effects of FTLM on the performance outcomes of broilers Eleven controlled studies were retrieved and used to explore the impacts of dietary FTLM supplementation on growth performance [feed intake (FI), feed conversion ratio (FCR), average daily gain (ADG)], blood lipids, slaughter performance (abdominal fat, breast and thigh muscles weight), meat quality [pH, drip loss, shear force, lightness (L*), redness (a*), and yellowness (b*)], and intestinal histomorphology [villus height (VH), crypt depth (CD) and VH/CD values] of broilers. Subgroup and meta-regression analyses of the effects of moderators (i.e., leaf meal type, supplementation level, broiler strains, rearing phase, and fermentation microbes) on the growth performance of broilers were also assessed. Results show that dietary FTLM supplementation increased FI [standardised mean difference (SMD) = 0.11; 95% confidence interval (CI): 0.02, 0.20; P < 0.0001], improved ADG (SMD = 0.33; 95% CI: 0.23, 0.43; P < 0.0001) and FCR (SMD = − 0.21; 95% CI: − 0.30, − 0.11; P < 0.0001) in broilers. In addition, FTLM enhanced slaughter performance, meat quality, and intestinal histomorphology of broilers. Broilers fed 0—5 g/kg feed FTLM had better FI, FCR, and ADG than the controls taking significant heterogeneity into account. Meta-regression revealed that analysed moderators influenced growth performance results and accounted for some of the sources of heterogeneity. It can be concluded that up to 5 g/kg of FTLM can be added to broiler feed to improve growth performance, intestinal histomorphology, slaughter performance, and meat quality without adverse effects on dressing percentage and blood lipid profiles.

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