Abu Hurairah said “The Prophet ﷺ disapproved the shikal horses. Shikal are the horses that are white on their right hind leg and white on their left foreleg or white on their right foreleg and left hind leg. Abu Dawud said “This means alternate legs”.
كَانَ النَّبِيُّ ﷺ يَكْرَهُ الشِّكَالَ مِنَ الْخَيْلِ وَالشِّكَالُ يَكُونُ الْفَرَسُ فِي رِجْلِهِ الْيُمْنَى بَيَاضٌ وَفِي يَدِهِ الْيُسْرَى بَيَاضٌ أَوْ فِي يَدِهِ الْيُمْنَى وَفِي رِجْلِهِ الْيُسْرَى