You usually pay attention to ingredients when you buy dog food. But almost all brands offer same ingredients in their major dog food products. This leaves you in a state of confusion on which brand to choose for your dog. The present article will help you to choose between two leading dog food brands, Science Plan and Purina:

Dog Food by Science Plan:

Science Plan dog and cat food is marketed by Hill's Pet Nutrition Inc. which was founded by Dr. Mark L. Morris. Hill’s Science Plan’s dog food is rich in nutrients and has high quality ingredients. Science Plan’s dog food has been trusted by pet owners and veterinarians for more than 70 years. Science Plan dog food is manufactured in US facilities and the food passes through more than 60 quality checks per batch. Major products in the dog food segment of the company include:

•        Hills Science Plan Puppy Large Breed Chicken Dog Food
•         Hills Science Plan Adult Medium Breed Chicken Dog Food
•          Hills Science Plan Puppy Lamb and Rice Dog Food
•          Hills Science Plan Puppy Lamb and Rice Dog Food
•          Hills Science Plan Adult Large Breed Chicken Dog Food
•         Hills Science Plan Adult Lamb and Rice Dog Food
•          Hills Science Plan Adult Sensitive Skin Chicken Dog Food
•          Hills Science Plan Adult Mini Breed Chicken Dog Food

Major highlights of the Science Plan dog food includes:

• The company manufactures dog food specifically for dogs of different ages.
• Generally, the Science Plan dog food products have antioxidants which are good for immunity.
• Real chicken is the first ingredient in Science Plan dog foods.
• No-chicken by product meal is there in Science Plan dog food.
• Science Plan dog food has no artificial colors, flavors and preservatives.
• Science Plan dog food has 100 % precisely balanced nutrition.

Dog Food by Purina:

Headquartered in St. Louis, Missouri, Nestle-Purina is the world’s largest pet food manufacturer. Dog foods by the company are considered to be the premiere dog foods. In dry food category, the company offers the following food:

• Purina ONE SMARTBLEND Healthy Puppy Formula
• Purina ONE Beyond White Meat Chicken & Whole Oat Meal Recipe
• Purina ONE SMARTBLEND Healthy Weight Formula
• Purina ONE SMARTBLEND Large Breed Puppy Formula
• Purina ONE SMARTBLEND Large Breed Adult Formula
• Purina ONE SMARTBLEND Sensitive Systems
• Purina ONE SMARTBLEND Lamb & Rice Formula
• Purina ONE Beyond Ranch Raised Lamb & Whole Barley Recipe
• Purina ONE SMARTBLEND Chicken & Rice Formula
• Purina ONE SMARTBLEND Small Bites Beef & Rice Formula
• Purina ONE SMARTBLEND Vibrant Maturity 7+ Senior Formula

And in canned dog food, the company’s offerings are:

• Wholesome Chicken & Brown Rice Entree Tender Cuts in Gravy
• Wholesome Lamb & Long Grain Rice Entree
• Wholesome Lamb & Brown Rice Entree Tender Cuts in Gravy
• Wholesome Chicken & Brown Rice Entree
• Wholesome Beef & Barley Entree Tender Cuts in Gravy
• Wholesome Beef & Brown Rice Entree
• Wholesome Turkey & Barley Entree

The ingredients and specific purpose of dog food will vary from product to product. Here is something common about the dog food products by Nestle-Purina:

• Top five ingredients in dog food by Purina include Whole Grain Corn, Meat and Bone Meal, Corn Gluten Meal, Animal Fat (Preserved with Mixed Tocopherols) and Soybean Meal.
• Primary source of protein is chicken.
• Primary source of carbohydrates is corn.
• Digestibility is good.
• Promotes lean muscle growth
• Purina’s products are mediocre in terms of ingredients as compared to various other leading dog food brands but undoubtedly your dog is eating healthy when you are feeding him Purina’s dog food.
• Purina’s dog food is not recommended for serious dog breeders.
• Vitamin E is used as preservatives in the dog food products of Purina.
• Purina dog foods contain synthetic vitamin K (menadione).
• You will also find "ground yellow corn" and by product meal in Purina products.