Abstract
ABSTRACT The bromelain enzyme content in pineapple peel waste predicted to promote digestive tract health and a positive effect on egg quality. This research aimed to evaluate the use of fermented pineapple peel waste in laying hens diet on egg quality. A total of laying hens 200 birds with Isa Brown strain, egg production of 70%, The average egg weight and body weight were 58.58 g/egg, and 1.62 g/bird, respectively. A completely randomized design was used, 5 different levels of fermented pineapple peel waste as treatment (0, 5, 10, 15, and 20%), and all treatments were repeated 4 times. Egg shell thickness, egg shell strength, haugh unit, egg yolk fat, and egg yolk color were measured. The use of fermented pineapple peel waste in the diet of laying hens up to 20% highly significant (P<0.01) on egg yolk color, and did not negative effect (P>0.05) on egg shell thickness, egg shell strength, haugh unit, and egg yolk fat. Fermented pineapple peel waste can be used as much as 20% in laying hens diet without disturbing egg quality and improve egg yolk color.
Highlights
Pineapple production in Indonesia from year to year always increases
Pineapple peel waste contains 24.00% crude fiber (Mahata et al, 2016), It’s hard to digest by laying hens because their digestive tract produces limited cellulase enzyme to degrade crude fiber
Pineapple contains carotenoid as much as 497 μg/100g, and vitamin C is 38.3 mg/100g (Ellong et al, 2015), Carotenoids was expected increase the color of egg yolk, and vitamin C is useful for the health of laying hens
Summary
Pineapple production in Indonesia from year to year always increases. Pineapple production in 2017 reached 1.795,986 tons and in 2018 increased to 1.805,506 tons (Indonesia Central Bureau of Statistic, 2017 and 2018), and 30% from pineapple fresh is pineapple peel waste (Campos et al, 2020). The high availability of pineapple peel waste in Indonesia is an opportunity to be used as laying hens feed. Pineapple peel waste contains 24.00% crude fiber (Mahata et al, 2016), It’s hard to digest by laying hens because their digestive tract produces limited cellulase enzyme to degrade crude fiber. Some indigenous microorganism in bamboo sprouts are cellulolytic bacteria such as Bacillus thuringiensis, Bacillus aerus, and Lactobacillus plantarum, and cellulolytic fungi Panus velutinus, which were produced cellulase enzymes to degrade crude fiber in pineapple peel waste (Mahata, 2019). There is no research reporting about of fermented pineapple peel waste with local microorganisms from bamboo sprout for laying hens diet. This research aimed to evaluate the use of fermented pineapple peel waste in laying hens diet on egg quality
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