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Hill's Prescription Diet z/d Dry

Type of food

Complete dry extruded

Dog types

Pet dogs

Targeted conditions

Sensitive digestion, sensitive skin

Breed sizes

Suitable for toy breed dogs
Adult weight 1-4kg. e.g. Chihuahua, Pomeranian, Yorkshire Terrier
Suitable for small breed dogs
Adult weight 4-10kg. e.g. Beagle, Dachshund, Jack Russell
Suitable for medium breed dogs
Adult weight 10-25kg. e.g. Border Collie, Staffie, Springer, Vizsla
Suitable for large breed dogs
Adult weight 25-45kg. e.g. Boxer, Labrador, Greyhound
Suitable for giant breed dogs
Adult weight 45kg+ e.g. Bernese, Great Dane, Mastiff

Dog ages

From 12 months to old age

Pack sizes

3kg & 10kg bags


10kg bags = £76.99


Veterinary diet: This food is specifically formulated for dogs with a particular health problem. Be sure to consult with your vet before feeding this food.

For the management of severe or short term illness, we recommend following your veterinarian's feeding advice, regardless of the rating we have given their recommended food.

For longer term and more mild illnesses, however, there are generally other options that are worth considering.

Click here for more info.

AADF rating


At a glance

Natural: Free from added artificial preservatives, antioxidants, colourings, flavourings or other controversial synthetic ingredients
Not high in meat: Contains less than 30% meat ingredients (on a dry matter basis) or meat percentage is unspecified
Not hypoallergenic: Contains wheat, maize, dairy products, soya products and/or artificial additives or has an ingredient list that is too unclear to rule out their presence
Not clearly labelled:

It is difficult to tell exactly what is in this food due to a lack of labelling clarity.

Certified nutritionally complete: This food complies fully with the complete food nutrient tolerances as recommended by FEDIAF and/or AAFCO

Price per day


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Mixing bowl:

Maize Starch, Chicken Liver Hydrolysate, Cellulose, Minerals, Soybean Oil, Animal Fat, Vitamins, Minerals, Taurine and Beta-Carotene.

As fed (BETA):

Typical Analysis

Protein 19.2%, Fat 14.7%, Fibre 4.6%, Ash 5.0%, Carbs 48.5%, Moisture 8.0%, Sodium 0.33%, Calcium 0.64%, Phosphorus 0.49%, Magnesium 0.05%, Omega3 0.44%, Omega6 3.57%.


393.0 kcal/100g

Dry weight nutrients

Above average


Below average

* NFE carbohydrate level (i.e. not including fibre). Level estimated from available data.


10kg bags RRP


Grams per day


Cost per day


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Company info
Name: Hill's Pet Nutrition
HQ: Kansas, USA
Parent company: Colgate-Palmolive
Brands: Hill's Ideal Balance
Hill's Prescription Diet1010 Hill's Prescription Diet foods listed
Hill's Science Plan3333 Hill's Science Plan foods listed
Manufacturer's product description

" Clinically proven nutrition that can transform your pet's life.

prescription diet™ Canine z/d™ has the following key benefits.

Hypoallergenic - carefully crafted with highly hydrolysed animal protein & single purified carbohydrate source.

Nutrition for visible improvement in skin & coat in 30 days.

Clinically proven to help improve stool.

With great taste your dog will love.

Please consult your vet for further information and guidance on what is best for your dog. "


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Teresa Wall 2 years ago

Everyone says dogs do NOT get tired of there food. I disagree. Had to put my dog on special diet, eat very well. For about a year now. The past 2 months he acts like he can't hardly make himself go to the bowl. I do get canned special and I do mix with the dry for at least one meal. Sometimes he won't eat that either. He's not sick for sure! I don't know how to make him eat his food he has to have special diet.

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Jackjacks Teresa Wall one year ago

What special diet does your dog need? Hills and royal canin aren’t particularly good foods as you can see by the food score on here. Prodog raw is fantastic or different dog if your dog can’t handle raw

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