Supreme Science Selective is sold at Petco or online:
https://www.amazon.com/gp/product/B01BHVDSGS/ref=crt_ewc_title_huc_1?ie=UTF8&psc=1&smid=ATVPDKIKX0DER
COMPOSITION
Alfalfa meal, soybean hulls, wheat, wheatfeed, flaked peas, linseed, beet pulp, soybeanmeal, soya oil, monocalcium phosphate, calcium carbonate.
NUTRITIONAL ADDITIVES/Kg
Vitamin A 15000 IU, Vitamin D3 1500 IU
ANALYTICAL CONSTITUENTS
Crude protein 14.0%, Crude fibre 25.0%, Crude oils and fats 4.0%, Crude ash 8.0%, Calcium 0.6%, Sodium 0.3%, Phosphorus 0.4%.
Sherwood you have to order online, but they will send you free samples:
http://store.sherwoodpethealth.com/food-samples/
Ingredients: Alfalfa hay, timothy hay, whole safflower, whole flax*, Monodicalcium phosphate, salt, choline chloride, essential amino acids, chelated minerals, B-vitamins, cobalt carbonate.
Guaranteed Analysis
Crude Protein,minimum14%
Crude Fat, minimum5%
Crude Fiber, minimum (maximum)24% (29%)
moisture, maximum10%
Calcium, minimum (maximum)0.7% (1.2%)
Phosphorous, minimum0.4%
Salt, minimum (maximum)0.25% (0.75%)
For comparison, here’s the info for the Kaytee one:
Ingredients:
Sun-cured Timothy Grass Hay, Oat Hulls, Wheat Middlings, Dehulled Soybean Meal, Ground Wheat, Dried Cane Molasses, Ground Flax Seed, Salt, DL-Methionine, Dicalcium Phosphate, Yucca Schidigera Extract, Vitamin A Supplement, Choline Chloride, Mixed Tocopherols (preservative), Ferrous Sulfate, Manganous Oxide, Zinc Oxide, Riboflavin Supplement, Vitamin B12 Supplement, Vitamin E Supplement, Copper Sulfate, Niacin, Menadione Sodium Bisulfite Complex (source of Vitamin K activity), Rosemary Extract, Citric Acid, Cholecalciferol (source of Vitamin D3), Calcium Pantothenate, Pyridoxine Hydrochloride, Thiamine Mononitrate, Folic Acid, Calcium Iodate, Biotin, Cobalt Carbonate, Sodium Selenite, Dried Aspergillus oryzae Fermentation Extract (source of Protease), Dried Bacillus licheniformis Fermentation Product, Dried Bacillus subtilis Fermentation Product
Allergen information: Manufactured in a facility that processes peanuts and other tree nuts.
Guaranteed Analysis:
Crude Protein (min.) 13.0%
Crude Fat (min.) .1.5%
Crude Fiber (min.) .20.0%
Crude Fiber (max.) .25.0%
Moisture (max.).12.0%
Calcium (min.) 0.25%
Calcium (max.) 0.75%
Phosphorus (min.) 0.3%
Salt (min.) 0.25%
Salt (max.) 0.75%
Iron (min.) 150ppm
Copper (min.) 15ppm
Manganese (min.) 70ppm
Zinc (min.) 60ppm
Vitamin A (min.) 3,000IU/lb
Vitamin D (min.) 200IU/lb
Vitamin E (min.) 20IU/lb
Riboflavin (min.) 3mg/lb
d-Pantothenic Acid (min.)….. 4mg/lb
Niacin (min.) 16mg/lb
It certainly has a lot more stuff in it, for better or worse. The molasses would be a bit concerning for me.
We buy bales of compressed timothy hay from local growers, so I can’t really help you there.
To switch foods we did one week with a 25% mix new/old, then 50%, then 75%, then 100%.