Effect of Dietary Replacement of Inorganic Zinc by Organic or Nanoparticles Sources on Growth Performance, Immune Response and Intestinal Histopathology of Broiler Chicken

Abstract

Key words:Broiler chickensOrganic zinc -Nano zinc -Growth performance -Immune response -Intestinal health.Two hundred and twenty-five one day-old avian chicks were used to investigate the effect of different dietary supplemental zinc sources and levels on growth performance, blood picture and biochemical parameters, immune response, carcass characteristics and intestinal morphology of broiler chickens. Birds were randomly allocated into 9 groups which fed on the experimental basal diet supplemented with different zinc sources and levels; group 1 was fed basal diet supplemented with (60 ppm) inorganic zinc oxide, while groups 2, 3, 4 and 5 were supplemented with (60, 45, 30 or 15 ppm) organic zinc (polysaccharide-zinc complex) respectively and groups 6, 7, 8 and 9 were supplemented with (60, 45, 30 or 15ppm) zinc oxide nanoparticles respectively. Broiler chickens fed 60 or 45 ppm organic zinc improved growth performance while, lower supplementation levels (30 or 15ppm) had no significant effect. Moreover, zinc nanoparticles supplementation at 60, 45 or 30 ppm improved growth performance while lower level (15ppm) significantly reduced broiler performance and feed efficiency parameters. Using organic or nano zinc reduced total feed intake of broiler chicken. Organic or nano zinc supplementation non-significantly reduced blood serum lipids and increased GOT or GPT concentrations compared with those fed on diet supplemented with inorganic zinc. Moreover, organic or nano zinc had no significant effect on antioxidant enzyme activity while reduced abdominal fat weight. Organic zinc or nano zinc supplementation improved phagocytic activity, antibody production against Newcastle Disease vaccine, lymphoid organs weight and improve intestinal villi length, width and crypt depth of broiler chicken.

Effects of Dietary Nano-Zinc and Nano-Selenium Addition on Productive and Physiological Performance of Growing Rabbits at Fattening Period

“…The absence of significant differences in carcass parameters of the experimental rabbits agrees with the findings of Dokoupilova et al (2007) who noted that added Se did not affect dressing-out percentage of growing rabbits. These results agree with El-Katcha et al (2017) who reported that carcass parts are numerically similar (P≥0.05) by dietary organic or nanozinc supplementation than the control of broiler chicks. In disagreement with the present results, Ebeid et al(2012) reported that feeding male California rabbits on diets supplemented with organic Se (0.15 or 0.30 ppm) led to an improvement in both carcass weight and dressing percentage compared with their control counterparts.…”

“…Change of triglycerides and total cholesterol levels in blood plasma may be due to the zinc's role in enzyme action which an integral part of several enzymes (metalloenzymes) that are severed in lipid digestion and absorption (Hazim et al, 2011). These finding are similar with El-Katcha et al (2017) who reported that dietary nano-zinc supplementation non significantly reduced blood serum triglycerides while increased HDL than the control of broiler chicks. In addition, Shunyi et al (2016) reported that blood biochemistry of rabbits, including concentrations of cholesterol, HDL and triglyceride were not significantly affected by supplementation of nano-selenium or sodium selenite.…”

“…Hassan et al (2017) found that rabbits fed diet supplemented with nano-zinc ( 30 and 60 mg/kg) had the heaviest live body weight, highest DWG, FCR and the lowest mortality rate in comparison with those fed the control. Also, El-Katcha et al (2017) found that final body weight, BWG, FCR, PER, EEU and performance index of broiler chicken were improved by nano-zinc supplementation (30,45 and 60 mg/kg) than the control.…”

Effect of Grape Berries Juice Treated with Zinc Oxide Nanoparticles on the Performance and Health of Rabbits

“…It is a component of many enzymes (metallo enzymes) involved in lipid digestion and absorption (Al-Darajiet al, 2011). The present results are disagreement with El-Katcha et al (2017), who illustrated that Nano-Zn supplemented the diet of broiler non significantly decreased serum TG while increased HDL than the control. -16.80 -16.80 -11.20 -11.20 -3.20 Hematological parameters are presented in Table (7).…”

Effect of Dietary Zinc-Oxide or Nano-Zinc Oxide on Growth Performance, Oxidative Stress, and Immunity of Growing Rabbits under Hot Climate Conditions

“…These results are in the same line with Siddhartha et al (2016) who stated that birds fed diet supplemented with nano-Zn/kg had greater weight gains and better feed conversion ratio than the control. Also, El-Katcha et al (2017) found that final body weight, BWG and FCR, of broiler chicken were improved by nano-zinc supplementation (30,45 and 60 mg/kg) than the control.…”