Astanga Hrudaya
शरीरधातुसामान्यादनभिष्यन्दि बृंहण्म्। विपरीतमतो ज्ञेयमाविकं बृंहणं तु तत् ॥६४॥
It is nourishing, causes weight gain. Avi (meat of sheep) is opposite in nature with that of goat and causes weight gain.
english translation
zarIradhAtusAmAnyAdanabhiSyandi bRMhaNm। viparItamato jJeyamAvikaM bRMhaNaM tu tat ॥64॥
hk transliteration by Sanscript