The effects of probiotics on the performance, egg quality and blood parameters of laying hens: A meta-analysis

The Impact of Bacillus subtilis PB6 and Chromium Propionate on the Performance, Egg Quality and Nutrient Metabolizability of Layer Breeders

“…Marked benefits in performance and egg quality were observed when hens’ diets were supplemented with both additives. Additionally, there are different genera of microorganisms commonly used as probiotics as well as variable sources of chromium, which may influence the obtained results when added in poultry feeds [ 32 , 33 ]. Therefore, Bacillus subtilis and organic chromium should be more explored for layers and breeder hens, because more data are needed considering the importance of these productions in the poultry industry.…”

The effects of lactic acid bacteria and yeasts as probiotics on the growth performance, relative organ weight, blood parameters, and immune responses of broiler: A meta-analysis

“…Statistical dataset analysis using a mixed-model approach was applied [11][12][13][14] with statement analysis in the system using the MIXED procedure of SAS (version 9.1, SAS Institute Inc., 2008), the following model was applied: The findings of a study was then taken as a random effect, while the supplementation concentration was taken as the fixed effect as follows [15][16][17] : 48 Lactic acid bacteria Powder 0-0.9 0-42 Zahirian et al 49 Yeast Powder 0-4 0-42 Sugiharto et al 50 Lactic acid bacteria Powder 0-0.2 0-38 Sugiharto et al 51 Lactic acid bacteria Powder 0-0.15 0-35 Sugiharto et al 52 Lactic acid bacteria Powder 0-0.01 0-35 Miah et al 53 Lactic acid bacteria Liquid 0-0.5 0-21 Sherief et al 54 Yeast Powder 0-0.5 0-42 Reisinger et al 55 Yeast Powder 0-0.2 0-35 Attia et al 56 Yeast Powder 0-0.05 0-35 Sjofjan and Adli 57 Lactic acid bacteria Combination 0-0.8 0-35 Makled et al 58 Lactic acid bacteria Powder 0-5 0-42 Vase et al 59 Lactic acid bacteria Liquid 0-0.03 0-42 Waqas et al 60 Yeast Powder 0-0.06 0-35 Caruk et al 61 Lactic acid bacteria Powder 0-0.1 0-42 Yalçin et al 62 Yeast Powder 0-3 0-42 Yalçinkaya et al 63 Yeast Powder 0-1 0-42 Shokaiyan et al 64 Lactic acid bacteria Powder 0-0.5 0-42 Salehizadeh et al 65 Lactic acid bacteria Powder 0-0.1 0-42 Khajeh et al 66 Lactic acid bacteria Powder 0-0.5 0-42…”

The effects of lactic acid bacteria and yeasts as probiotics on the growth performance, relative organ weight, blood parameters, and immune responses of broiler: A meta-analysis

“…Statistical dataset analysis using a mixed-model approach was applied [11][12][13][14] with statement analysis in the system using the MIXED procedure of SAS (version 9.1, SAS Institute Inc., 2008), the following model was applied: The findings of a study was then taken as a random effect, while the supplementation concentration was taken as the fixed effect as follows [15][16][17] :…”

“…Furthermore, to determine (1) interaction between lactic acid bacteria and yeast; (2) interaction of type probiotic (powder and liquid) according to the following model 16 :…”