Thursday, March 31, 2016

ANTIBIOTIC-FREE POULTRY PRODUCTION.

Pressure from consumers, along with regulatory changes, is rapidly pushing integrators and growers to reduce or totally remove antibiotics from broiler production. The removal of antibiotics from the equation requires growers to keep a cleaner, more bio secure operation as well as promote positive gut microflora. Going antibiotic free means growers need to be more mindful of the cleanliness of their operation and more cognizant of how feed and feed additives can promote the overall health of their birds.This was expressed by Dr. Mahmoud Masa’deh, a poultry technical sales specialist and nutritionist with Purina Animal Nutrition L.L.C., during his presentation at the Midwest Poultry Federation Convention in St. Paul, Minnesota. Masa’deh spoke as part of the March 16 Broiler Production workshop. Masa’deh said pressure from consumers, along with regulatory changes, is rapidly pushing integrators and growers to reduce or totally remove antibiotics from broiler production. This change forces growers to be more careful about bio security and farm sanitation; litter management and downtime between flocks; the composition of feed; and which probiotics and other additives are included in feed. The steps to antibiotic free production are outlined as follows: 1) Bio security and strict farm sanitation practices Generally, raising birds without antibiotics requires a back-to-basics approach. Masa’deh said removing disease-preventing and growth-promoting antibiotics requires farmers to reduce the opportunities for birds to get infected at any stage of their life. This means paying close attention to the cleanliness of everything from the breeders to the hatchery to the feed mill to the barn itself. Masa’deh said managing dust -- which can carry dangerous bacteria and mold around barns through the air -- in all stages of production is key. He said special consideration must be paid to dust and the overall cleanliness of the hatchery and pullet housing because exposure to negative microbes early in the lives of the birds can set a flock up for failure. If chicks are vaccinated, it’s important to make sure they receive optimal light to improve their vaccine uptake. There must be a bio security protocol in place and keeping an eye on potential disease vectors can be the difference between success and failure. 2) Litter management and downtime Another key factor in keeping a sanitary operation is the maintenance of litter in the farm and enough interval in between flocks. He recommended establishing a strict downtime program with growers, requiring them to remove the birds and the litter and take at least 14 days before putting new birds in. This must be done to ensure the products applied to combat harmful microbes have enough time to work. When birds are in the house, increasing the stocking density by at least 0.05 square feet of space per bird compared with a regular growing program is essential. He said this leads to better growth because there is less moisture in the litter and less disease shedding. Studies have shown more space per bird can lead to improved body weight, feed conversion, mortality and breast meat yield. Effective management of built-up litter can benefit the birds as well, the litter is essentially a community of microbes which can actually benefit the health of the flock. Maintaining a proper pH can prevent Clostridium, Escherichia coli and other dangerous microbes from growing in the litter. If there is too much moisture in the litter, it can lead parasitic diseases, leg disorders and breast blisters. Excess ammonia from urine can lead to blindness, respiratory disease, reduced feed conversion, foot pad injuries and impairment of a bird’s immune response to disease. Choosing the correct type of drinking system and ensuring proper airflow can help solve these issues. source; wattagnet

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