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With the transition to more cage-free and outdoor access systems, there are certain challenges to keep in mind when determining laying hen health and welfare plans.Going forward, it is critical to understand and continue to learn more about how to best manage and care for the birds in these coop systems.
When you move birds that are primarily in cage systems to cage-free or outdoor access, they will have more exposure to litter, which can lead to a greater chance of problems such as coccidiosis.Coccidia are intracellular protozoan parasites that multiply in the gut, causing tissue damage.This damage can lead to reduced nutrient absorption, dehydration, blood loss, and increased susceptibility to other diseases, such as necrotizing enteritis.
Essential Oils Benefit Broiler Gut Health With efforts to find suitable alternatives to antibiotics, plant essential oils may be a viable alternative.This study investigated the effects of dietary chlortetracycline substitution with a combination of plant oils on performance and gastrointestinal health in broilers.read more…
In a system where chickens are more exposed to coccidial-contaminated litter and manure, developing immunity to coccidiosis is more important than chickens later in the cage system.In vaccination, proper circulation of vaccine oocysts is important and depends on factors such as vaccine coverage and litter moisture.
Breathing problems may also increase.These problems are due in part to birds’ increased exposure to feces and dust (into the litter).Since birds have greater access to litter and the ground outside, they are more likely to be exposed to parasites and potentially lead to a worm infection.Increased roundworm and even tapeworm burdens have also become more common in these systems.Spotted liver disease caused by Campylobacter hepaticus and C. bilis is particularly prevalent in free-range flocks.
How does the U.S. layer industry manage without antibiotics?The tipping point for poultry may have been reached.A recent survey showed that 43% of consumers “always” or “often” buy poultry raised without antibiotics.read more…
Post time: Mar-25-2022