LED Lighting

Automated and manual systems available

Long day length appears to alter the secretion of a number of hormones. Long days reduce the duration of elevated melatonin and produce higher secretion of the hormone insulin – like growth factor-I (IGF-I). Higher IGF-I is thought to increase milk yield. On average it is expected that cows on long days will produce an average of two litres more than control animals on natural photoperiod.

In addition to this there is now evidence to suggest that dry cows on a reduced photoperiod produce more milk in the subsequent lactation, than others exposed to a longer day period or even a natural day period. An increase in prolactin receptor leads to greater mammary growth during the dry period and improves the immune function, both are likely to improve the milk yield in the next lactation.

For lactating cows we are aiming for 16 -18 hours of light with a light level between 160 – 200 lux. For the dry cows we are looking to get 8 hours of light 160 – 200 lux.

cubicle house led lightingcow shed led lighting

There are many benefits to having one of our lighting systems installed on your farm.

There could be savings on your power consumption over your existing lights by using efficient LED fittings. LED lights have low running costs and a high life span meaning less changing of light bulbs, giving both short term and long term savings. The increase in productivity in your herd and lower running costs to have the correct lighting level gives a lighting project a cost effective, short pay back on investment, most of which falls between the first and second year after investment.

Using a dimmable system will cut running costs further, as light increases in a morning and decreases at night the full power of the lights are not required so lights are automatically dimmed which reduces the power consumption even further. The fully automated systems can be tailored to your farm, having programmable day on / off times or using light sensors for the automatic dimming function which will maintain a constant stream of light all day.

Products, we offer two control systems, an automated timer system (programmable on and off times) and a fully automated dimming system (light sensors). There are two powers of lights 100w and 200w depending on the barns requirements with the auto – dimming controller requiring dimmable versions of the lights. The light units have a 5 year guarantee and an expected lifespan of 50,000 hours.

These systems are bespoke and calculated and designed specifically for your barn, they are available for us to supply and install or for us to supply and your own electrician to install.

Also available are replacement fittings for your milking parlour or other buildings.

The lights can also be used in many other applications, workshops, warehouses, grain stores as stand alone, on/off lights without automation.

According to research, optimum photoperiod will increase milk yield by 6-10% on average.
• Eventually, cows increase feed intake to support the risen milk yield.
• No effect on protein or solids content while only a very limited decrease in fat content.
• The increase in milk yield amply compensates the effects on fat and feed intake.

saturn led lightled lighting control panel

Why is there an effect?

Light reception occurs in the eyes retina. Light inhibits an enzyme used in melatonin synthesis in the pineal gland. Therefore, as photoperiod increases, the duration of high levels of melatonin in the blood decreases. Melatonin concentration in the blood influences the concentration of some hormones in the blood, for example, insulin-like growth factor-1 (IGF-1). Scientists believe changes in the concentration of IGF-1 play a role in the effect of photoperiod on milk production, as IGF-1 has been shown to increase milk yield. IGF-1 is basically growth hormone, which directly affects production of milk in the udder.

Why should we be concerned with this?

• The use of light is cost-effective and has a very short pay-back time.
• Very simple to carry out.
• No extra labour required.
• Improved production and therefore margins on the units we work with.

Requirements for lighting:

For milking cows, calves and heifers:
16 hour long day photoperiod; 150-200 lx at the eye level of the cow
8 hour of uninterrupted darkness means less than 5 lx* at the eye level of the cow

Dry period:
16 hours long at less than 5 lx*.
8 hours of 150-200 lx
[this will reset the long-day photoperiod and improve the immunity system]
*5lx means that you can still see a printed text.

Red night lights may be used to facilitate cow movement and observation during darkness. This adheres to the dairy standards which state we must be able to inspect cows at all hours of the day and night. The red lights allow the operator to see, however the intensity of red light has no (or only minor) effects on the cows’ perception of darkness, and thus melatonin secretion.

There should be no brighter lights in any part of the barn and cows need 2-4 weeks on average to adjust.

Contact us on 07432 016875 for more information or a quote.


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