Biological evaluation of developed supplement feed (DSF) for egg quality parameters in LIT (Himsamridhi) birds

Sunidhi Chauhan, S. Katoch, V. Sankhyan, Krishnender Dinesh, Arun Sharma, Daisy Rani
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Abstract

The present study was conducted to analyse the effect of feeding diets containing different levels of Developed Supplement Feed (DSF) on egg quality and egg production traits in Low Input Technology (LIT) bird viz. Him-Samridhi (HS) under Confined Scavenging (CS) system of rearing. A total of 72 HS birds (23 weeks of age) were randomly divided into 3 dietary treatments with 3 replicates having 8-layer birds in each replicate. All the dietary groups were offered 20 gm corn per bird along with confined scavenging. Dietary treatments were T0 (control) group allowed confined scavenging while the treatment groups T1 & T2 were supplemented 10g and 20g/bird DSF respectively along with confined scavenging, for a period of 42 weeks. External egg quality parameters, internal egg quality parameters, egg yolk and albumin mineral profile and egg production traits were recorded using standard methods. Results showed that external egg quality traits as well as internal egg quality traits did not differ significantly by DSF supplementation except shape index. Albumen content was found numerically higher (5.1%) in DSF supplemented groups. Egg production trait like hen-day egg production (HDEP) was significantly (P<0.05) high in DSF supplemented treatment groups at all age groups examined (23, 40, 52 and 64 weeks of age). The mineral profile of egg was markedly influenced by DSF supplementation at 10 and 20 gm/ bird/ day. It was concluded that DSF supplement has the potential to improve egg quality traits, egg production and egg mineral profile and seems to be a potential feed supplement in LIT bird HS for producing eggs with high Se, Ca, Fe, Mn, K, Cu and Mg content in confined scavenging system of rearing.
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开发的补充饲料(DSF)对LIT(Himsamridhi)鸟类鸡蛋质量参数的生物学评估
本研究旨在分析在密闭清粪(CS)饲养系统下,饲喂含有不同水平的发达补充饲料(DSF)的日粮对低投入技术(LIT)禽类(即 Him-Samridhi(HS))的鸡蛋质量和产蛋性状的影响。总共 72 只 HS 禽(23 周龄)被随机分为 3 个日粮处理,3 个重复,每个重复 8 层。所有日粮组每只鸟均摄入 20 克玉米,并进行密闭清扫。日粮处理中,T0(对照)组允许密闭清粪,而处理组 T1 和 T2 在密闭清粪的同时分别添加 10 克和 20 克/只的 DSF,持续 42 周。采用标准方法记录外部蛋品质参数、内部蛋品质参数、蛋黄和白蛋白矿物质含量以及产蛋性状。结果表明,除形状指数外,外部蛋品质量性状和内部蛋品质量性状在添加 DSF 后没有显著差异。补充 DSF 组的白蛋白含量较高(5.1%)。在所有检测日龄组(23、40、52 和 64 周龄)中,添加 DSF 的处理组产蛋率(HDEP)显著较高(P<0.05)。补充 10 和 20 克/只/天的 DSF 对鸡蛋的矿物质含量有明显影响。结论是,添加 DSF 有可能改善蛋的质量性状、产蛋量和蛋的矿物质含量,似乎是一种潜在的 LIT 禽 HS 饲料添加剂,可在密闭清粪饲养系统中生产出 Se、Ca、Fe、Mn、K、Cu 和 Mg 含量高的鸡蛋。
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