Milk - chemistry, Animals, Milk - secretion, Cattle, Methane - biosynthesis, Lolium, Animal Nutritional Physiological Phenomena - physiology, Female, Lactation - physiology, Dairying - methods, Diet - veterinary, Eating - physiology
Eating, Milk - chemistry, Methane - biosynthesis, Animals, Animal Nutritional Physiological Phenomena, Milk - secretion, Poaceae - metabolism, Time Factors, Female, Seasons, Lactation - physiology, Cattle - physiology, Animal Feed, Diet - veterinary