By-products from food and drink production are helping to destiny-proof pig farms from rising feed fees. Co-products can cost as low as £1.20 in line with percent (%) dry rely (DM), and their attraction extends beyond price, says pig nutritionist Phil Baynes. Dr. Baynes says that weight benefit optimization can be maintained if the weight loss plan is formulated correctly. But he warns that each ingredient must be analyzed to ensure it provides a correct and balanced food regimen to the pig organization it’s being fed to. “Pigs are pretty satisfied to devour co-merchandise, and these components do a terrific activity. There are many possibilities for using those merchandise,” Dr. Baynes insists. All co-merchandise blanketed in pig diets must be Feed Materials Assurance Scheme (Femas) certified. Here are some of the alternatives.
Liquid whey
A by-product of cheese production.
Cost
For Therefore, a bulky product’s price is dictated by haulage and distance from the manufacturing facility; anticipate paying £1.20-£1.50/in step with percent DM (whey is generally approximately five DM). Generally brought at a fee of up to twenty on a DM basis to complement different feed components of cereals and proteins.
It can contain massive degrees of salt, as much as 10% on a DM basis, so make sure ad-lib enters drinking water to avoid salt toxicity.
The supply – whether or not from the cottage or difficult cheese – will affect the nutritional composition. Hence, examining the fabric to understand what’s being used is critical. Analyze at normal durations to ensure consistency.

Any execs and cons?
Digestive disenchanted, together with “whey bloat,” can arise in pigs when their smiles are suddenly blanketed in liquid feed or fed at high dietary tiers. Feeding it to lactating sows may additionally cause diarrhea.
Brewers’ grains
A co-product from the production of beer.
Cost
Local breweries may also supply spent grains at no charge; however, if sourced from a feed delivery enterprise, expect to pay approximately £45/t added to the farm; however, the cost will vary in keeping with farm location.
Which age is it suitable for?
Given its presentation as a wet product, it can be tough to contain in almost pig rations. It is usually utilized in ruminant diets; however, it, it may be successfully fed to sows at up to fifteen of the weight loss plan if there is a method. It is unsuitable for piglets as they lack the enzymes to digest this feed properly.
Key vitamins
A palatable wet feed with excessive protein content material, usually 18-23%, low in starch and high in crude fiber.
Key issues when feeding
Feed at 150g/kg – any higher, and it will affect boom rates. Mix with a dry issue.
Any execs and cons?
A wet product may be difficult to feed; however, some producers have invested in macerators, which allow them to provide it as a liquid by blending it with water or some other fluid, which includes beer waste.
It should be used within three days.
Brewers’ yeast
Surplus deactivated yeast from the brewing enterprise.
Cost
£2-£2.50 consistent with % DM (brewers’ yeast is commonly 12-14% DM).
Which age of pigs is it suitable for?
Growers from 15-20kg onwards.
Which key nutrients does it deliver?
A wealthy source of protein and phosphorous that is important for biochemical features and bone integrity
Exact amino acid levels
Key considerations when feeding
It can be bitter and unpalatable for more youthful pigs, so it is better perfect for older pigs, whose hunger is extra set up.
If preserved with a small quantity of organic acid, it may be saved for at least six weeks but would want to be agitated because it will sediment if left undisturbed.
Any pros and cons?
Live yeast can ferment in tanks and feed strains, developing air blockages. Furthermore, it is illegal to ship or feed yeast; therefore, each load needs to be dealt with with a propionic-based organic acid to kill any residual hobby.












