<b>Effect of feeding Thymolina^® powder on the carcass characteristics and morphology of small intestine in ross 308 broiler chickens

Abstract

In the present experiment, 320 one day old Ross 308 broiler chickens were used completely randomized design with 4 treatments, 4 replicates, and each replicate contained 20 broiler chickens. Experimental treatments include control, 0.5, 1, and 2% of Thymolina powder in chickens' diet. Thymolina ® is an antibacterial powder drug which is made by composing 4 medicinal plants. A significant difference observed between treatments in each parameter of the Intestinal morphology (villus height, villus width, crypt depth and epithelial thickness). Goblet cells number was not affected. Our findings indicated that using Thymolina ® in the diet of broiler chickens causes improvements in carcass characteristics. Therefore, it may improve the carcass characteristics and morphology of small intestine in broiler chickens.Efeito de Thymolina ® em pó na dieta sobre as características de carcaça e morfologia do intestino delgado em Frangos de Corte Ross 308 RESUMO. Neste experimento, 320 frangos de corte da linhagem Ross 308 com um dia de idade foram distribuídos num delineamento inteiramente randomizado com 4 tratamentos, 4 repetições, com cada repetição contendo 20 animais. Os tratamentos consistiram de controle; 0,5; 1 e 2% Thymolina ® em pó na dieta dos frangos. Thymolina ® é um medicamento anti-bacteriano em pó composto por 4 plantas medicinais. A diferença significativa observada entre os tratamentos em cada parâmetro da morfologia intestinal (altura e largura das vilosidades, profundidade das criptas e espessura epitelial). O número de células caliciformes não foi afetado. Os resultados indicaram que o uso de Thymolina ® na dieta de frangos de corte promove melhorias nas características de carcaça. Dessa forma, esse medicamento pode melhorar as características de carcaça e morfologia do intestino delgado de frangos de corte. Palavras-chave: frango de corte, morfologia, ross 308, intestino delgado, Thymolina ® .

Green tea dietary supplementation in broiler chickens: Effect on the development of chicken intestine

“…As shown in Tables 7–8, these statistics and observed results agree well with the previous work reported by Hosseini et al. (2017) who found that Thymolina® powder decreased microbial activity in the terminal ileum, cecum, and colon, which would affect the development of these gut segments. On the whole, most of the significant differences of intestinal characteristics among broiler chicks fed with dietary green tea exist in these intestinal traits of right and left cecum of chicken, compared with the control groups (Tables 3–8).…”

“…In fact, some similar results to the experiment were also reported (Hosseini et al., 2017; Tzora et al., 2017). It was reported that Thymolina® powder could increase trypsin and amylase activity in the homogenate of pancreas and small intestine, and chime content in jejunum (Hosseini et al., 2017). However, Thymolina ® powder could reduce microbial activity in the terminal ileum, cecum, and colon (Hosseini et al., 2017).…”

“…It was reported that Thymolina® powder could increase trypsin and amylase activity in the homogenate of pancreas and small intestine, and chime content in jejunum (Hosseini et al., 2017). However, Thymolina ® powder could reduce microbial activity in the terminal ileum, cecum, and colon (Hosseini et al., 2017). It was observed that a significant difference existed between dietary Thymolina ® treatments in broiler intestinal morphology parameters, including the statistics of chicken villus height, villus width, crypt depth, and epithelial thickness (Hosseini et al., 2017).…”

“…However, there are rare experiments (e.g., Chen et al., 2019; Hassanpour et al., 2010; Kaya et al., 2018) that fully reported the effect of feeding green tea additives or its biochemical derivatives on broiler intestine. To our knowledge, there are only seven feeding experiments reported on the dietary effects of green tea supplementations or other dietary acidic feed additives on the development of chicken intestine (Chen et al., 2019; Emamgholi Begli et al., 2017; Hassanpour et al., 2010; Hosseini et al., 2017; Kaya et al., 2018; Lemos et al., 2015; Tzora et al., 2017). Compared with the control group, the duodenum villous length and jejunum villous length and their surface areas were observed and reported as significantly developed ( p < .05) in the green tea‐treated groups (Hassanpour et al., 2010).…”

Effect of dilution of broiler chicken diet with cracked maize on performance and intestinal morphology

“…All abdominal fat, including that around the rectum, gizzard and proventriculus was collected. Villi height, crypt depth, villi height:crypt depth ratio, villi width, thickness of epithelium and number of Goblet cells were estimated based on Hosseini et al (2017). In more detail, the gizzard was opened and weighed after its content was removed.…”