Weather and climate play an important role in animal husbandry and livestock production. While climate determines the adaptability of a particular animal in a given region, weather determines animal health and day-to-day performance. Altogether twenty seven chapters are included in this book, covering basic aspects of atmospheric phenomena and its applications in the field of animal agriculture. In nutshell, the textbook revolves around basic concepts of livestock meteorology, effects of various weather elements and indices on animal physiology, relevance of modification of microclimate, livestock advisory based on weather forewarning, effects of weather and climate on diseases including UV radiation effects, meteorological instruments, units and computations, statistical methods in livestock meteorology and climatology of India. This is unique publication and is of immense use to the students, faculty members, researchers, scientists and students of animal husbandry, livestock meteorology, climate science. climate change and animal agriculture. It will be a reference material to all those who are interested to understand the impact of weather and climate on animal husbandry and livestock management. The Editors' earnest hope is that the textbook will be widely read and discussed among the scientific community in the field of climate change and animal agriculture.