Volume 9, Issue 19 (6-2018)                   rap 2018, 9(19): 8-16 | Back to browse issues page

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Shakoori M, Rezaei M, Chashnidel Y. Effect of Microencapsulated of Spirulina (Spirulina Platensis) Algae Powder on Performance, Carcass Characteristics and Intestinal Microflora of Broiler Chickens. rap. 2018; 9 (19) :8-16
URL: http://rap.sanru.ac.ir/article-1-776-en.html
PhD. Student Department of Animal Science, Sari Agricultural Sciences and Natural Resources University
Abstract:   (98 Views)

This research was conducted to evaluate the effect of microencapsulated Spirulina (Spirulina platensis) powder on performance, carcass characteristics and intestinal microflora of broiler chicken. A total of 360 one-day old broiler chicks (male sex) Ross 308 strain was divided in 9 treatments, 4 replicates and 10 chicks in each replicate in a completely randomized design. Experimental treatments include: basal diet, basal diet + antibiotic, basal diet + vitamin E, basal diet + 0.33 % Spirulina, basal diet + 0.66 % Spirulina, basal diet + 1 % Spirulina, basal diet + 0.33 % microencapsulated Spirulina, basal diet + 0.66 % microencapsulated Spirulina, basal diet + 1 % microencapsulated Spirulina. Results showed that during grower period the feed intake of group fed with 0.33 percent Spirulina was higher than control group (P<0.05). The control group had the lowest weight gain among other groups (P<0.05). The groups fed with microencapsulated Spirulina at the levels of 0.33 and 0.66 percent had lower feed conversion ratio compared to control group (P<0.05). During finisher and also whole period of rearing, groups fed with diets containing different levels of Spirulina algae and micro-encapsulated Spirulina at the levels of 0.33 and 0.66 percent had lower FCR compared to control group (P<0.05). Carcass yield of broilers fed with different levels of Spirulina algae and 1 percent of microencapsulated Spirulina were higher than other groups (P<0.05). Feeding treatments contain microencapsulated Spirulina at the levels of 0.66 and 1 percent and treatment contained 1 percent Spirulina caused higher breast yield (P<0.05). Broilers fed with treatments contained 1 percent spirulina or microencapsulated Spirulina had lower abdominal fat pad (P<0.05). Coliforms population of broilers fed with treatments contained antibiotic, 1 percent Spirulina or microencapsulated Spirulina  was lower than control group (P<0.05). The highest lactobacillus population was related to broilers fed with diets contained 0.66 and 1 percent of Spirulina or microencapsulated Spirulina (P<0.05).
 

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Type of Study: Research | Subject: تغذیه طیور

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