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The photoperiod is the period of daily illumination received by an organism. When manipulating photoperiods, there are two common divisions of time. The first is long-day photoperiod, with 16 hours of light and 8 hours of darkness. The second is short-day photoperiod with 8 hours of light and 16 hours of darkness.

According to the research published in the National Library of Medicine in 2021, it is known that the regulation of circadian rhythm through photoperiod and light intensity has a significant impact on the behavior and physiology of dairy cows. This article will discuss the benefits of applying different photoperiods for different stages of the cow's life cycle, and the benefits of agricultural lighting for cows and farmers.

Different Lighting for Different Stages of Cow

Lighting affects many aspects of a cow's production and life at different stages. The following are the benefits of applying different photoperiods for three stages of cows.

l Lactating Cows

Compared with cows exposed to natural light, applying long-day photoperiods for lactating cows can increase milk production by 10%-15%. On the other hand, lighting can also affect the dry matter intake of cows. Lactating cows under long-day photoperiods will consume 6% more dry matter than those under natural photoperiods. The increased dry matter intake can convert into milk, resulting in increased milk production of lactating cows.

l Prepubertal Heifers

The industry has always aimed to get heifers into the milking herd as soon as possible. Studies have shown that long-day photoperiods can advance heifers' puberty, allowing them to develop their height and mammary glands rapidly. Thus, heifers exposed to long-day photoperiods will have increased milk production during the first lactation. Additionally, stimulating heifers with proper lighting can reduce stress, increase feed intake, and lead to stronger, more productive cows.

l Dry Cows

The photoperiod is reversed in dry cows compared to lactating cows and heifers. Using short-day photoperiods during the dry period can increase cows' dry matter intake by 2.9 pounds per day. Dry cows will undergo extensive mammary gland remodeling during farrowing. Combined with eating a lot of dry matter, the dry cows that experience short-day photoperiods can increase milk production up to 6.8 pounds per day during lactation.

The Benefits of Agricultural Lighting for Cows and Farmers

Light, as an environmental factor closely related to organisms in nature, also affects the physiological functions of cows. According to the U.S. Department of Energy’s 2016 Animal Responses to Light Meeting report, providing adjustable agricultural lighting can enhance the growth and development of dairy cows at different stages.  Moreover, agricultural lighting has also been shown to reduce stress and improve disease resistance in dairy cows, improving their productivity and well-being.

Lighting not only benefits the cows but also benefits the farmer. Agricultural lighting lasts longer and can withstand the harsh conditions in cowsheds, helping farmers reduce maintenance costs and workload. Furthermore, compared with traditional lighting, agricultural lighting can imitate the natural environment of life. For farmers, this means agricultural lighting can help them reduce eye strain, make them easier to concentrate and create a safer and more secure work environment.

Hontech-Wins：IP67 iCOW T70 LED LIGHT

Agricultural lighting has a positive impact on both livestock and the environment. However, Hontech-Wins took notice of this early on. With an understanding of LED technology and the needs of the LED lighting market, Hontech-Wins has successfully developed suitable LED lighting for poultry and livestock growth.

As an expert company with 13 years of experience producing LED lighting, Hontech-Wins is committed to product innovation and the development of lighting control systems. IP67 iCOW T70 LED light is a flicker-free LED lighting for cows with smooth dimming adjustment from 0-100%. Our LED lighting has a long service life and good brightness uniformity. At the same time, we also have the CE, ROHS, and ETL certifications, and have reached the high dust-proof and waterproof level of IP67 certification. This LED lighting is a provider of lighting solutions for poultry farms, pig farms, dairy sheds, and mushroom houses.

Contact us for more information about IP67 iCOW T70 LED light!