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Anim Biosci > Accepted Articles
https://doi.org/10.5713/ab.22.0047    [Accepted] Published online June 28, 2022.
Apparent metabolizable energy, growth performance and carcass traits of japanese quail fed select modern grain sorghum varieties
Alissa H Moritz1  , Shanice K Krombeen1  , Jenny Presgraves1  , Michael E Blair2  , Robert E Buresh3  , William C Bridges4  , Mireille Arguelles-Ramos1,*  , Tiffany A Wilmoth1 
1Department of Animal and Veterinary Science, Clemson University, Clemson, SC 29634, USA
2United Animal Health, Sheridan, IN 46069, USA
3Novus International, Inc., St. Charles, MO 63304, USA
44Department of Mathematical and Statistical Sciences, Clemson University, Clemson SC 29634, USA
Correspondence:  Mireille Arguelles-Ramos, Tel: +19194131762, Fax: +1-864-656-3131, Email: marguel@clemson.edu
Received: 30 January 2022   • Revised: 22 April 2022   • Accepted: 23 May 2022
Abstract
Objective
This study was performed to determine the apparent metabolizable energy (AMEn) content of tannin-free red/bronze, white/tan and U.S. No. 2 varieties of grain sorghum for feeding Japanese quail and validate their nutrient profile by evaluating effects on performance and carcass traits with full-substitution of corn.
Methods
Experiment 1 determined the AMEn content of red/bronze, white/tan, and U.S. No. 2 grain sorghum varieties fed to mixed-sex Japanese quail (Coturnix japonica) (n = 314) at 3 and 6-weeks of age. Analyses were based on a 2 x 4 factorial treatment design with age and grain types defining the treatments, and a randomized complete block experiment design with cage and trials defining the block. AMEn values were validated by evaluating the performance and carcass traits of Japanese quail (n = 644) from 1 to 40 days of age in Experiment 2 with birds were fed 1 of 4 complete diets. Statistical analyses were conducted on performance data and select individual carcass trait measurements.
Results
Determined AMEn values at 3-weeks of age were 3,524 + 122.03 (red/bronze), 3,252 + 122.03 (white/tan), and 3,039 + 123.44 (U.S. No. 2) kcal/kg. At 6-weeks of age, determined AMEn were 3,373 + 297.35 (red/bronze), 3,279 + 297.35 (white/tan), and 2,966 + 298.64 (U.S. No. 2) kcal/kg. Carcass traits showed live body weight (p = 0.0409) and hot carcass weight (p = 0.0234) were greatest in U.S. No. 2; however, carcass yield (p = < 0.0001) was lowest. No significant differences were observed among treatment for feed intake, feed conversion ratio, breast weight and breast yield (p > 0.05).

Conclusion

These studies demonstrated that tannin-free grain sorghum varieties may be a potential alternative to corn in quail diets while maintaining growth performance and carcass parameters.
Keywords: Apparent Metabolizable Energy; Carcass Traits; Grain Sorghum; Japanese Quail; Performance; Tannin-free


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