Free Delivery on Eligible Orders Over £45 | Free Local Delivery Including Bulk Items starting at £45

Free Local Delivery to Ringwood, Fordingbridge and Verwood no minimum order

Bulk Item

Thunderbrooks Base Mix Synergy 15kg - Forest Pet Supplies

Thunderbrooks Base Mix Synergy 15kg

Regular price
Sale price
Regular price
Sold out
Unit price
Tax included. Shipping calculated at checkout.

****Please note: Synergy was formerly called Base Mix. There was no change to the formulation when the name was changed****


A concentrated, cereal free, balanced feed suitable for horses of all disciplines, veterans and youngstock.

With generous amounts of added prebiotics, probiotics, fruits, herbs and botanicals, providing functional foods to nutritionally support a healthy gut environment.


Why choose ‘Synergy’?


    • No fillers, binders, pelleting agents, preservatives or chemically synthesised micro-nutrients are included.
    • Contains essential amino acids, fatty acids, nucleic acids, natural vitamins, chelated minerals and over 100 anti-oxidants to nutritionally support a healthy equine.
    • All ingredients have been carefully sourced, wherever possible, to avoid chemical treatments such as pesticide and herbicide, preservatives and mould inhibitors, etc.
    • Contains no wheatfeed, oatfeed, soya, sugar beet, molasses, alfalfa, soya oil, corn oil, mixed vegetable oil or waste by-products from human oat or wheat food milling and production.
    • All Ingredients have been carefully processed to minimise denaturation of the essential macro and micro nutrients. Composition    Stabilised and ground whole linseed, naturally stabilised rice bran, natural fractionated yeast extract, proprietary blend of herbs (fruits, herbs and botanicals), limestone flour, magnesium carbonate, Bioplex minerals, Lysine, Yea-Sacc, Bio-Mos, Natural vitamin E, chelated magnesium, chelated calcium, chelated zinc, chelated copper, chelated selenium, organic extra virgin sesame seed oil, natural vitamin A and D3.

    Oil (21.3%), Protein (22%), Starch (7.5%), Sugar (2.2%), Fibre (18.6%), Ash (11%) DE=14.2MJ/kg


    Key nutrients provided for a 500kg horse when fed at 500g per day
    Natural Vitamin A 15,000iu; natural Vitamin D 3,000iu; natural Vitamin E 500iu; Folic Acid 25mg; Nicotinic Acid 65mg; Pantothenic Acid 35mg; Riboflavin 52mg; Vitamin B12 0.74mg; Thiamine 60mg; Pyridoxine 85mg; Selenium (all chelated form) 0.75mg; Iodine 5mg; Zinc (all chelated form) 400mg; Copper (all chelated form) 100mg; Lysine 12.4g; Methionine 2g; Biotin 15mg; Calcium (carbonate and chelated form) 10g; Phosphorus 6g; Magnesium (carbonate and chelated form) 7.5g, Yeasacc 5g;

Add a handful or two of Thunderbrook Healthy Herbal Chaff or Muesli to provide texture and aid chewing. Dampen before feeding. If feeding at the maximum amount, split between two feeds per day.
Feed alongside ad lib forage. Provide plenty of fresh water and access to a salt lick as Synergy does not contain added salt (average horse at maintenance requires approx. 20g per day). Always introduce a new feed slowly. Add just one pinch of Synergy to your horse’s first feed and work up gradually over four or five days to the full amount (see below). See feeding guide below for amounts.

Healthy adult horses at maintenance or in light to medium work, on poor forage, restricted grazing, track system etc, convalescing horses or those with a compromised digestive system. 100g per 100kg body weight.
Pony up to 300kg
300g per day
Horse up to 500kg
500g per day
Horse 500kg to 750kg
700g per day

Healthy adult horses at maintenance on good forage, good doers or those which do not require weight gain.
50g per 100kg body weight.

Pony up to 300kg
150g per day
Horse up to 500kg
250g per day
Horse 500kg to 750kg
350g per day
Youngstock, Broodmares, horses in medium to hard work & competition horses.
100-150g per 100kg body weight.


Pony up to 300kg
300g to 450gg per day
Horse up to 500kg
500g to 750g per day
Horse 500kg to 750kg
700g to 1050g per day


Amounts given are dry weight per day. Preferably split between two meals per day.