In the morning as well as in the evening, food should be offered on the ground to dogs, the cooks for dogs and birds. This is called the Vaishvedeva offerings.
श्वभ्यश्च श्वपचेभ्यश्च वयोभ्यश्चावपेद् भुवि। वैश्वदेवं हि नामैतत् सायंप्रातर्विधीयते॥