You can feed just about any brand if your yellow Lab is a family pet and not a working animal - just look for the AAFCO seal on the back of the bag to make sure it is has complete balanced nutrition. If you have a working dog, you may want to select a higher grade of food - your veterinarian can help match you to an appropriate and available food if this is the case.
Buy gerbil food, you can get it at any pet store. There are lots of brands, just look at the ingredients, if there is no acids then it should be fairly healthy! You can feed gerbils bits of fruit, vege, lots of things!
How much to feed a dog is based on their breed and weight. Most brands of dog food have a recommended amount chart of their food on the back.
You should feed them aquatic turtle food, such as Reptomin Floating Food Sticks.
The amount you feed will vary from brand to brand, because some brands are more nutritionally dense than others. All brands will have feeding guidelines on the package based on age and activity levels. Your puppy should receive the best quality puppy food you can afford for it's first full year.
Food
No they shouldn't they should feed them healthy meals.
You should feed your fish about a pinch of food once a day.
you should feed it apples water and healthy food
dog food
you should never feed a coca spaniel a rats food
You can feed a dog lots of ways. The way I feed my dog is with a coffee cup and I feed my dogs Beneful cause it is the way to keep dogs happy and health but you can feed a dog anyway you want and feed them only dog food.
They should have food available at all times.