Abstract
Silver nanoparticles could prove to be a valuable alternative raw material for antibiotics and disinfectants as it is relatively free of adverse effects. Nano-silver is now been put to practical use in commonly used items, such as, clothes, electric home appliances, and electronic industry, but has not been widely applied in the medical or pharmacological fields. This study was designed to investigate the effects of nano-silver on egg quality traits in laying Japanese quail in completely randomized design with four treatments and six repetitions at 0, 4, 8 and 12 ppm of silver nanoparticle levels. Eggs collected daily and egg parameters, including egg weight, length, width; yolk weight and eggshell thickness were examined. The effect of the different silver nanoparticle levels was determined using the General Linear Model (GLM) of SAS procedure, whilst differences between the groups were determined using least significant difference test (LSD). Results indicated that silver nanoparticles at all levels caused significantly reduce of yolk weight and hen-day egg production for each week than the control treatment (p < 0.05), whilst silver nanoparticle had no significant effect on egg weight, egg length and width and eggshell thickness.
Highlights
Silver nanoparticles could prove to be a valuable alternative raw material for antibiotics and disinfectants
This study was designed to investigate the effects of nanosilver on egg quality traits in laying Japanese quail in completely randomized design with four treatments and six repetitions at 0, 4, 8 and 12 ppm of silver nanoparticle levels
Results indicated that silver nanoparticles at all levels caused significantly reduce of yolk weight and hen-day egg production for each week than the control treatment (P \ 0.05), whilst silver nanoparticle had no significant effect on egg weight, egg length and width and eggshell thickness
Summary
Seventy-two Japanese quail layers (n = 72) were used in the present study and divided into 4 groups or treatments at 8 weeks of age. Data were mean of six replicate groups of three female Japanese quail each. Three female quails were assigned to each of 24 cages and were housed in a 45 9 16 9 15-cm battery cage pen. To minimize the effects of body weight and physiological status in the egg laying cycle, only females from the same hatch, of similar body weights (between 130 and 135 g) were used. The birds were reared in a light-proof environmentally controlled house at 25 °C with a photoperiod of 14L:10D.
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