Determination of non-phytate phosphorus requirement for slow-growing feather-frizzled broilers from 1 to 21 days of age

The influence of dietary non-phytate phosphorous (NPP) on growth performance, carcass characteristics, bone quality and serum parameters were investigated to determine the NPP requirement of slow-growing feather-frizzled broilers aged from 1 to 21 days. A total of 480 1-day-old indigenous slow-growi...

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Bibliographic Details
Published in:Animal feed science and technology 2022-09, Vol.291, p.115397, Article 115397
Main Authors: Yin, F.Q., Chen, C., Chen, J.W., He, X.P., Xia, C.M., Wang, R.L.
Format: Article
Language:English
Subjects:
Bone quality
Broiler
Carcass characteristics
Growth performance
Non-phytate phosphorous
Serum
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Summary:The influence of dietary non-phytate phosphorous (NPP) on growth performance, carcass characteristics, bone quality and serum parameters were investigated to determine the NPP requirement of slow-growing feather-frizzled broilers aged from 1 to 21 days. A total of 480 1-day-old indigenous slow-growing male feather-frizzled broilers were assigned to 1 of 6 treatments with 8 cage replicates of 10 birds each using a completely randomized design. They were fed with corn-soybean meal-based basal diet (containing 0.13 % of NPP) supplemented with 0.00 %, 0.08 %, 0.16 %, 0.24 %, 0.32 %, and 0.40 % of inorganic phosphorus (CaHPO4.2 H2O), respectively. The experimental diets contained a constant 0.90% calcium. Results showed that body weight gain, feed intake, eviscerated carcass ratio, tibia breaking strength, tibia and toe ash or phosphorous concentrations, femoral strength and serum inorganic phosphorous concentration were affected (P 
ISSN:0377-8401
1873-2216
DOI:10.1016/j.anifeedsci.2022.115397