Ethidium bromide fluorescence of the RT-PCR amplificates: (A) Pparα (test kit A) and Pparγ (test kit B), (B) Eci1 (test kit A), and (C) Eci1 (test kit B) together with the respective scans of Gapdh (see Analytical Methods section).
Feeding protocol: LZ-CB, fed the LZ diet (7 mg Zn/kg) with 22% CB free choice; HZ-CBR, fed the HZ diet (50 mg Zn/kg) with 22% CB in restricted amounts according to intake in the LZ-CB group; LZ-SF, fed the LZ diet with 22% SF oil free choice; HZ-SFR, fed the HZ diet with 22% SF oil in restricted amounts according to intake in the LZ-SF group; and HZ-SF, fed the LZ diet with 22% SF oil free choice.