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  • Title: Effects of phytase supplementation on growth performance, jejunum morphology, liver health, and serum metabolites of Japanese quails fed sesame (Sesamum indicum) meal-based diets containing graded levels of protein.
    Author: Rezaeipour V, Barsalani A, Abdullahpour R.
    Journal: Trop Anim Health Prod; 2016 Aug; 48(6):1141-6. PubMed ID: 27113452.
    Abstract:
    A 2 × 2 × 3 factorial arrangement of treatments was used to investigate the effects of two levels of dietary crude protein (200 or 240 g kg(-1)) and two inclusion rates of phytase enzyme supplementation (with or without) on performance, jejunum morphology, and some hematological parameters of Japanese quails fed diets based on three graded levels of sesame (Sesamum indicum) meal (0, 120, and 240 g kg(-1) of the diet). A total of 480 Japanese quail chicks were randomly allocated to 12 treatments with 4 replicates of 10 Japanese quails. The results showed that feed intake was decreased in quails fed diets containing 240 g kg(-1) of sesame meal (P < 0.05). Diets with 120 and 240 g kg(-1) inclusion rates of sesame meal improved feed conversion ratio (FCR) in Japanese quail (P < 0.05). Results indicated that the higher level of crude protein improved protein efficiency ratio (PER) and increased feed intake (P < 0.05). The results of jejunum morphology showed that diets containing 120 and 240 g kg(-1) sesame meal increased villus height and the ratio of VH to CD and decreased crypt depth (P < 0.05). Enzyme addition increased serum calcium and phosphorous of Japanese quails (P < 0.05). The liver weight was greater in Japanese quails fed diets containing 200 g kg(-1) crude protein and 120 g kg(-1) sesame meal (P < 0.05). The serum concentration of uric acid was increased in birds that received 240 g kg(-1) protein (P < 0.05). It is concluded that the use of sesame meal improved growth performance (FCR) of Japanese quails. Moreover, serum concentration of calcium and phosphorous was greater in quails with phytase supplementation included in their diet.
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