Table 1
Effects of phytochemicals feed-additives on productive performance, carcass and meat quality of broiler

Reference	Phasea	Phytochemicals	Dosage	Productive performance b	Carcass qualityc	Meat qualityd
[29]	G and F	Thyme and cinnamon	100 and 200 ppm	↑ BWG,FI and FCR	200 ppm ↓abdominal fat %	-
[32]	G and F	Soybean isoflavone	10 to 80 mg/Kg	10 and 20 mg/Kg ↑ BWG and FI	-	40 mg/ kg↑ WHC and pH40 or 80 mg/Kg ↑lightness↓MDA
[39]	I-F	Thyme extract	50, 100, 200, or 400 ppm	↑ BWG	-	-
[40]	I-F	Piperine	0, 60, 120, and 180 mg/kg	In the final period: 60 mg kg 1 ↑ WG andFCR	-	-
[41]	I-F	AV/AGP/10essential oils (Allium sativum, Zingiber officinale, Trigonella foenum graecum, Eruca sativa & many others in a fixed concentration)	250 and 500 g/ton of feed	Herbal ≈ antibiotic	The AV/AGP/10 ↑ CY and dressing percentage	-
[62]	I and G	Black cumin seed, Artemisia leaves, Camellia l.	0.3 and 0.5 g/kg	Artemisia ↓FI up to 21 d of age.-Black cumin ↑BW at 21 and 42 d of age and ↓FCR.Camellia ↓BW, FI, FCR	NE	-
[89]	I-F	Genistein (G) hesperidin (H)	5 mg/kg GH5, 1020 mg/kg of mixture	-	-	In breast muscles:↑PFA, n-6/n-3 and PFA/SFA
[90]	G and F	Oregano, anis and citrus peel	125 ppm	↑ FCR ≈ antibiotic	NE	↑tenderness↑acceptability
[97]	I-F	Quercetin	0.5 and 1 g/kg of feed	Poorer FCR	-	↑ MDA
[98]	I-F	Naringin and Hesperidin	0.75 and 1.5 g/kg	NE	NE	↑ Oxidative stability
[99]	I-F	Moringa Olifeira leaf meal	1, 3 and 5 g : 3, 9 and 15 g:5, 15 and 25 g per kg of feed	↑ FCR↑BW and ADG	-	-
[100]	I-F	Oregano and vitamin E	100 mg/kg of feed	NEFI, BWG, and FCR		-The MDA in oregano was the second highest, at 9 d of storage
[101]	G	Oregano, clove, cinnamon, red pepper	100 ppm	NE	-	-
[102]	I and G	Sangrovit® Macleaya cordata extract	20 mg/Kf of feed0.24 mg/Kg of sanguinarine	NEFI, BWG, FCR	NE	-
[103]	I	Rosemary and oreganoCommercial blend of essential oils	50 and 100 mg1 g of comercial	BWG and FCR ≈ avilamycin	-	-
[121]	I-F	Biostrong 505Biostrong 510	0.05%	↑ Growth	Biostrong 505 ↑ CW and BR	-
[104]	F	Clove powderAgrinomy extractLemon balm	1% clove / 0.2% lemon balm extract or agrynomy extract	↑ BWG - first period↓FCR	↑ CW	↑ Crude protein↓ Fat↑ sensory evaluation
[106]	I-F	oregano, anis and citrus	125 g/t	↑ BWG	-	-