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Fig. 1 | BMC Veterinary Research

Fig. 1

From: Effects of cottonseed meal on growth performance, liver redox status, and serum biochemical parameters in goslings at 1 to 28 days of age

Fig. 1

A broken-line analysis of average daily gain on goslings with increasing dietary free gossypol. Based on single-slope broken-line model, the breakpoints of dietary free gossypol concentration on day 1 to 14 (A), 15 to 28 (B), and 1 to 28 (C) occurred at 23.63, 14.78, and 18.53 mg/kg, respectively. The corresponding equations are: A Y = 33.1349 + 0.0711 × (23.63-X), breakpoint (BP) = 23.63 mg/kg (d 1 to 14); B Y = 58.9450 + 0.0963 × (14.78-X), BP = 14.78 mg/kg (d 15 to 28); C Y = 46.0412 + 0.0837 × (18.53-X), BP = 18.53 mg/kg (d 1 to 28). If dietary free gossypol concentration is less than BP, then (BP-X) = 0; if dietary free gossypol concentration is greater than BP, then (BP-X) = BP – dietary free gossypol concentration

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