Abstract
ABSTRACT The present study was conducted to evaluate whether dietary hot pepper waste powder (HPWP) would affect the performance and small intestine histology parameters in Japanese quail chicks. A total of 160, one-day-old Japanese quail chicks were divided into 4 treatment groups of similar mean weight, comprising 4 subgroups of 10 chicks each. Chicks were fed on their basal diet supplemented by 0, 100, 200 or 400 mg/kg of dietary HPWP for each kg of starter (0 to 10 days), grower (11 to 24 days) and finisher (25 to 42 days) diets for 7 weeks. At the end of 42 days of age, 10 birds per subgroup were slaughtered and intestinal samples were taken to evaluate histomorphological analyses. The results showed that dietary HPWP supplementation did not affect performance parameters, but 400 mg/kg HPWP supplementation tended to increase the growth performance of the chicks. The villus length, submucosa layer (p<0.05), serosa, muscular layer, villus-crypt length ratio, and villus surface area increased with HPWP supplementation (p<0.01). The goblet cell numbers of the group receiving 200 mg/kg HPWP increased compared to the control and 400 mg/kg HPWP supplementation groups (p<0.05). It could be concluded that dietary HPWP supplementation could improve gut health in quails.
Highlights
Worldwide, the equivalent of 1.2 billion tons of petroleum agricultural waste is generated each year (Biyoenerji 2018)
The results concerning intestinal samples taken at the end of the current study showed that dietary 100 and 200 mg/kg hot pepper waste powder (HPWP) supplementation increased the villus length compared to the control group (p
The results of the study showed that dietary HPWP supplementation of the basal diet did not change the chicks’ performance
Summary
The equivalent of 1.2 billion tons of petroleum agricultural waste is generated each year (Biyoenerji 2018). Studies have looked at generating income from the possibility of using agricultural wastes in the field of animal nutrition. Researchers have been investigating whether these waste products can be used as feed sources in animal husbandry. Roldan et al (2008) reported that onion waste might be an important source of antioxidants for useful food production. Civaner & Ertürk (2009) determined that mushroom harvest waste could substitute for 25% of the crude protein source in place of soybean in quail rations. There are many agricultural wastes used in animal husbandry, there are some by-products not used in animal production or as useful animal food. One of them is Capsicum annuum L. waste; this is the most commonly grown species of capsicum-grown peppers that is eRBCA-2019-1186
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