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Home Benefits Product benefits

Benefits to animals

  • Highly palatable and nutritious
  • Reduces feeding costs
  • Improves general fertility, conception rates and reproductive capacity
  • Improves appearance of coat or fleece
  • Increases stocking capacity
  • Increases digestibility of nutrients
  • Improves general animal health and disease resistance – a healthier animal requires less veterinary care
  • Increases newborn survival rate
  • Maximum performance is achieved on less protein due to better assimilation and digestibility of daily feed
  • Has an alkalising effect on the body (Shipard, 2005)
  • Detoxifies the blood and strengthens the liver (Shipard, 2005)

Beef Cattle

  • The carcass quality is greatly improved.
  • In our experience, feeding green feed daily at a rate of 3% to 3.5% of the animal’s body weight and then supplementing it with good-quality roughage will yield the best results.
  • Because green feed has a higher digestibility, the conversion from green feed to meat is markedly higher. The average daily weight gains are increased by 1600g per day in beef feedlots (Leitch, 1939).
  • Grain-fed cattle also have a higher weight gain than paddock-fed cattle, but to obtain the same weight gains in grain-fed cattle as in green feed-fed cattle, large quantities of grains must be fed, which can cause metabolic and digestive problems, as mentioned earlier. Also, most of the grain is not utilised and pass through the animal undigested.


  • The carcass quality is greatly improved.
  • There is improved weight gain at finish feeding.
  • Sheep gain a daily average of 0.380 kg vs. 0.530 kg when fed a feedlot ration over six months (Fayed, 2011).

Dairy Cattle

  • The milk yield is improdved:
  • South African dairy farmers have experienced an increase of up to 10% in milk production when feeding hydroponic or aeroponic green feed, as opposed to the normal total mixed ration (grain-based). This increase can be ascribed to the catalytic effect the green feed has in the rumen.
  • The butter fat content is raised: Cows fed on barley/oats green feed has an unsaturated fatty acid content that is up to 14% higher than cows fed on a total mixed ration (Ryan, 2003).
  • Premium prices are paid for higher grades of butter fat in milk.
  • The quality of the milk is improved.
  • The supplemental feeding of barley/oats green feed keeps the cows healthy.
  • The time from birth to weaning is reduced.
  • The dairy cattle experience an increase in appetite.

A marked drop in milk production is evident in cows going off the green feed during lactation.


  • ‘Dry-feed’-related allergies such as chronic obstructive pulmonary disease are markedly reduced.
  • There is a reduced occurrence of laminitis.
  • The horses have an increased haemoglobin level and blood count, resulting in a greater capacity for oxygen transportation, thereby improving the horse’s endurance and giving it ‘heart’.
  • The post-exercise recovery period is markedly decreased.
  • Due to the high moisture content of aeroponically grown green feed, the occurrence of digestive problems such as gastric ulceration and colic is markedly reduced.
  • Horses have increased hoof strength and quality due to the high biotin content.
  • The aeroponically grown green feed aids in shortening the recovery time from injury and infections.
  • Horses’ energy levels are increased without them being ‘hot’.

Goats, Pigs and Chickens

  • Goats show the same improvements in health and digestion as cattle and sheep.
  • Pigs and chickens are mostly raised in factory situations, with a high stocking density, and also show vast improvements in health and digestion.
  • The enzymes in barley/oats green feed reduce the passing of ‘sticky droppings’ in chickens. Therefore, the eggs that are laid are cleaner.
  • An increase of up to 40% in egg production is evident.
  • The green feed helps to eliminate cannibalism among chickens, because there are no deficiencies in their diet.
  • Swine production is enhanced by the rich enzyme content of the barley/oats green feed and is particularly beneficial to weaners, aiding in a less stressful transition from sow’s milk to solid food.

Zoo and Petting Animals

  • Animals living in confinement can greatly benefit from fresh barley/oats green feed, because they live in an unnatural environment.
  • GreenFeed™ Growing Systems can be adapted to the different daily requirements of most zoo and petting animals.