Adequate lighting is crucial in poultry production, as it directly influences
behaviour, growth, reproduction and overall welfare. As technology and genetics advance, it is essential to design a lighting system tailored to the specific needs of birds at the different stages of their lives.
Here are nine key considerations to bear in mind:
9 Considerations for designing a lighting system that maximises poultry genetics
Adequate lighting is crucial in poultry production, as it directly influences behaviour, growth, reproduction and overall welfare. As technology and genetics advance, it is essential to design a lighting system tailored to the specific needs of birds at the different stages of their lives. Here are ten key considerations to bear in mind:
- Understanding photoperiod sensitivity
The reproductive cycles of poultry are highly sensitive to changes in photoperiod. This describes the length of time during which poultry receive light, also known as daylight hours. This sensitivity is key to egg production and fertility. In layers and breeders, mimicking natural seasonal light by gradually increasing the duration of light as birds mature can stimulate egg laying, directly impacting productivity. Without proper photoperiod management, egg-laying patterns can become irregular, reducing efficiency. - Light intensity and distribution
Light intensity affects poultry behaviour, such as feeding, mating and general activity. Too much light can cause stress and aggression, leading to injuries and higher mortality rates. On the other hand, insufficient light can reduce feed intake, decrease egg production and increase the number of floor eggs. In general, ensuring uniform light distribution prevents areas from being too dark or too bright, which can lead to uneven development and behavioural problems. Nest boxes should be darker to attract birds to lay their eggs there, while activity areas should have uniform lighting. - Spectral composition of light
Different wavelengths of light affect poultry in various ways. Red and orange light can stimulate reproductive hormones, making it ideal for breeders and layers to maximise egg production. Blue and green wavelengths can reduce stress and promote growth. Tailoring the light composition to the specific needs of the birds at each stage helps to improve both welfare and productivity. - Dimming capability and gradual transitions
Sudden changes in lighting can startle birds, causing stress and harmful behaviours such as piling or night fright, which can result in injuries. Dimming capability allows for smooth transitions between light and darkness, reducing stress by simulating natural sunrise and sunset. This is particularly important for breeders, as stress can negatively affect mating and egg production. Gradual transitions also help to regulate activity levels, improving sleep and overall health. - Lighting programme and consistent schedule
Poultry thrive and perform well with routine, and disruptions to their lighting schedule can cause confusion, stress and irregular behaviour. Consistent lighting schedules are essential for maintaining regular reproductive cycles and optimal egg production in breeders and layers. A strict and gradual lighting schedule helps to keep birds in sync with their natural rhythms, improving performance. - Consideration of age and developmental stage
Lighting requirements change as poultry age. Chicks and young birds in the rearing phase require shorter light periods to encourage feeding and growth. As they mature, lighting should be adjusted to prepare them for their roles as breeders or layers. Failure to account for these changes can result in poor growth, delayed maturity and reduced reproductive success. - Impact on behaviour and welfare
Lighting not only affects productivity but also behaviour and welfare. Poorly designed systems can trigger stress-related behaviours such as cannibalism, feather pecking and aggression. A well-designed lighting environment promotes natural behaviours such as foraging and resting, helping to maintain a healthy flock. Good welfare also aligns with ethical standards and can improve the quality and safety of products such as eggs. - Energy efficiency and sustainability
Lighting contributes significantly to energy costs in poultry production. Energy-efficient solutions, such as LED lighting, can reduce these costs while providing the necessary conditions for the birds. Poultry-specific lighting systems also last longer, reducing maintenance requirements. Sustainability is increasingly important, and reducing energy consumption through efficient lighting contributes to environmental goals and improves the overall sustainability of the farm. - Monitoring and adjustment capability
The needs of poultry change depending on age, health and environment. A lighting system with monitoring and adjustment capability allows producers to respond to these changes in real time, ensuring optimal conditions. Monitoring behaviour and performance provides data that can be used to fine-tune lighting settings, enabling better long-term outcomes.
Source: LAYER VISION No. 31 [HENDRIX GENETICS]