Impact of Phytase Enzyme Usage on Performance and Egg Quality of laying hens

Abdelbasit  B. Habib; Elham M. Yusif; Salim G.Ahmed; Haytham H.Abdelwahid

Abdelbasit B. Habib Department of Poultry Production, College of Animal Production, University of Bahri, Khartoum, Sudan https://orcid.org/0000-0002-0878-6883
Elham M. Yusif Department of Poultry Production, College of Animal Production, University of Bahri, Khartoum, Sudan.
Salim G.Ahmed Department of Poultry Production, College of Animal Production, University of Bahri, Khartoum, Sudan.
Haytham H.Abdelwahid Department of Animal Breeding &Reproductive Technologies, College of Animal Production, University of Bahri, Khartoum, Sudan

Keywords: Phytase enzyme, Performance, Egg quality, Layer hens.

Abstract

This experiment was carried out to identify the effects of the inclusion of different levels of phytase enzyme in laying hen’s diets, on performance and egg quality. Hundred commercial layer hens (Lohmann) breeds at 32 weeks of age were distributed in a completely randomized design with four dietary treatment groups of twenty-five hens each. The treatments included 250, 500, and 750 gm phytase enzyme/ton feed respectively. Each treatment was divided into 5 replicates of 5 birds each. The replicate in the study was represented by battery cage (length 47cm, width 40cm, and height 47cm). All experimental diets were formulated according to the guidelines given in the manual provided by the breeder company. The performance and egg quality parameters were recorded. Results revealed that all performance parameters were significantly affected by dietary treatments except egg weight which was not influenced by treatments. No significant differences were observed in egg quality of all treatment groups, except for (shape index, albumin weight, yolk diameter, and Haugh unit). It is concluded that adding phytase enzyme at 750 g ⁄ ton, in diets of layer hens can improve feed intake, egg production, and feed conversion ratio.

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