Agni Purana (Jyotisha Selections) · by Vyasa
Chapter 5 · Omens
शकुनानि
यवमोदकयोर्द्वेषस्त्वकस्माच्च न शस्यते ।वदनाद्रुधिरोत्पत्तिर्वेपनं न च शस्यते ॥ २७ ॥
In the full Agni Purana this is chapter 232, verse 27.
A sudden dislike of barley and sweets is not praised. Blood coming from the mouth, and trembling, are not praised.
Simple meaning: A horse suddenly refusing barley and sweets, bleeding from the mouth, or trembling is a bad sign.
क्रीडन्वकैः कपोतैश्च सारिकाभिर्मृतिं वदेत् ।
A horse playing with herons, pigeons or mynas points to death. Tears and foot-licking point to ruin.
वामपादेन च तथा विलिखंश्च वसुंधराम् ।
A horse scratching the ground with its left foot, sleeping on its left side or by day, is not good.
भयाय स्यात्सकृन्मूत्री तथा निद्राविलाननः ।
A horse passing urine once or looking sleepy brings fear. Refusing to be mounted is also bad.