أبنائى و زملائى الكرام أحتاج هذا الكتاب للأهمية

[Hoballah]

Nutrient Requirements of Dogs and Cats (2006)

National Research Council; Division on Earth and Life Studies; Board on Agriculture and Natural Resources; Subcommittee on Dog and Cat Nutrition; Committee on Animal Nutrition

https://www.nap.edu/catalog/10668/nutrient-requirements-of-dogs-and-cats