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Table 4 Differences in collagen type 1 concentration in breast tissue and absolute weight (AW), relative weight (RW) of pectoralis (PC), and supracoracoideus (SC) muscles in jumbo and gray Japanese quail strains

From: Genetic and physiological variation in two strains of Japanese quail

Indices Right PCAW Right PCRW Right SCAW Right SCRW Left PCAW Left PCRW Left SCAW Left SCRW Collagen 1 (Pg/ml)
Quail strain Gender
Jumbo Male 22.19b 8.179 6.914b 2.497 21.26b 7.691 8.075 2.916 238.3c
Jumbo Female 24.60a 8.022 7.675a 2.553 25.36a 8.426 8.131 2.705 137.3d
Gray Male 21.30ab 8.401 6.366c 2.511 20.38b 8.043 5.439 2.145 636.0a
Gray Female 19.45c 7.771 5.303d 2.114 19.75b 7.871 5.714 2.291 422.3b
SEM   0.711 0.220 0.312 0.075 0.864 0.213 0.440 0.126 57.96
Quail strain
 Jumbo   23.39a 8.100 7.294a 2.525 23.31a 8.059 8.103a 2.810a 187.8
 Gray   20.37b 8.086 5.834b 2.312 20.07b 7.957 5.576b 2.218b 529.2
 SEM   0.506 0.379 0.114 0.097 0.553 0.366 0.280 0.157  
Gender
 Male   21.74 8.212 6.640 2.504 20.82b 7.867 6.757 2.530 437.2
 Female   22.03 7.975 6.489 2.333 22.55a 8.149 6.922 2.498 279.8
 SEM   0.438 0.328 0.099 0.084 0.479 0.317 0.243 0.136 14.56
Source of variation, p-value
 Quail strain 0.004 0.978 < 0.001 0.149 0.004 0.841 < 0.001 0.029 < 0.001
 Gender 0.683 0.653 0.357 0.233 0.005 0.582 0.671 0.882 < 0.001
 Quail strain × gender 0.019 0.462 0.001 0.129 0.018 0.385 0.777 0.424 0.026
  1. Means in the same column within each classification bearing different letters are significantly different
  2. SEM Standard error of means
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