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When it comes to controlling both the environment within a poultry house and heating costs during cold weather, house tightness is of utmost importance. This is because only the air that exhaust fans draw in through a house’s air inlet system will be heated and dried by the warm air collecting near the ceiling before moving down to floor level. Cold air that enters through cracks will tend t ...

Supplementing broilers with EnzaPro, a feed additive formulated with a unique combination of direct fed microbials and xylanase, could decrease Salmonella colonization in birds, according to research shared at the Poultry Science Association (PSA) annual meeting held July 11-14 in San Antonio, Texas. EnzaPro is an enzyme additive marketed by BioResource International (BRI).The oral presentation de ...

All commercial poultry eat with reasonably good precision to balance nutrient intake with requirements. Short term, there can be some variation in feed intake related to local situations, but long-term, the mechanisms of feed intake regulation are quite precise. Matching nutrient needs with intake is an obvious inherent evolutionary necessity to ensure survival and reproduction. A bird’s dai ...

The poultry industry is one of the fastest-growing sectors in global agriculture, providing a critical source of protein through meat and eggs. Beyond its contribution to food security, the poultry value chain serves as a significant driver of economic development, offering opportunities for inclusive growth across rural and urban communities. By leveraging its multi- faceted value chain, the indu ...

Poultry meat is a particularly important protein source as broilers have a high feed efficiency and short production cycle compared to other animal products, making it an affordable, nutritious source of animal protein (Marangoni et al., 2015). Therefore, strategies to improve production performance of broilers will require significant research as this is key to future food security. One nutrition ...

Figure 1 illustrates the incoming air temperature for a properly wetted, six-inch evaporative cooling pad, while Figure 2 illustrates the predicted incoming relative humidity. The precise amount of cooling, and therefore humidity, produced by any evaporative cooling pad will vary with how throughly a pad is wetted as well as its age. If significant portions of the pad are dry, the cooling produced ...

The house has been preheated for 36 hours to 92°F. The chicks will be arriving in a few hours and the controller’s six temperature sensors (positioned one foot above the floor) indicate the air temperature is between 91 and 92°F (Figure 2). A thermal image indicates the floor temperature is between 87 and 102°F (Figure 1) There is no measurable ammonia due to the fact that litter ...

Mycotoxins are toxic compounds produced by certain fungi that contaminate crops and animal feed under specific conditions. These toxins, such as aflatoxins, deoxynivalenol (DON), and ochratoxin A, pose serious health risks to animals and humans. Among their many effects, some mycotoxins directly impair the immune system, causing immunosuppression that weakens the body’s ability to fight infe ...

Most people are very familiar with the severe consequences that heat stress can have on poultry (see our previous newsletter), but cold stress can have severe production and economic consequences as well, leading to reduced egg production, reduced survivability, suppressed development and death.Cold stress can affect poultry in any housing system and during lairage and transportation.    ...