Enhancing Laying Hens’ Performance, Egg Quality, Shelf Life during Storage, and Blood Biochemistry with <i>Spirulina platensis</i> Supplementation
Md Salahuddin | Ahmed A. A. Abdel-Wareth | Kayla G. Stamps | Cassandra D. Gray | Adrian M. W. Aviña | Sadanand Fulzele | Jayant Lohakare
Enhancing the sustainability of chicken farming involves improving health and productivity and product qualities. This study explores the influence of <i>Spirulina platensis</i> (SP) supplementation on the productivity, egg quality, shelf life during storage, and blood biochemistry of laying hens. A total of 192 thirty-nine-week-old White Leghorn hens were randomly divided into 4 dietary groups: a control group and 3 treatment groups receiving 2.5 g/kg, 5 g/kg, or 10 g/kg of SP, respectively. The study was conducted for six weeks with measuring feed intake, feed conversion ratio, egg production, egg quality, shelf life, and blood biochemistry. The results demonstrated significant enhancements in egg weight (<i>p</i> < 0.05) and egg mass (<i>p</i> < 0.05) in the treatment of SP groups. The SP treated hens showed significant improvements in yolk color (<i>p</i> < 0.05) and Haugh unit scores (<i>p</i> < 0.05). The SP supplementation showed a hepatoprotective effect, as indicated by significant reduction in Alanine aminotransferase (ALT) (<i>p</i> < 0.05) and alkaline phosphatase (ALP) (<i>p</i> < 0.05) levels; however, increases in total protein, albumin, and globulin levels were observed. Furthermore, the egg quality of stored eggs for 21 days linearly increased with increments in the SP levels. In conclusion, it can be speculated that adding SP at 2.5 g/kg and 5 g/kg can significantly improve the productivity of laying hens, eggs’ quality, shelf life, and blood biochemistry, thereby contributing to a more sustainable and efficient chicken production.
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