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Feeding Hens During Alternating a.m. and p.m. Time Blocks to Induce Zero Egg Production During the Molt

Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg 24061

Correspondence: ¹ Corresponding author: plrus{at}vt.edu

There is a need to evaluate the position paper and guidelines set forth by the United Egg Producers (Washington, DC) and the American Veterinary Medical Association (Schaumburg, IL) on feeding practices and nutrient levels provided during a molt. This pilot study was undertaken to learn if a complete cessation of lay could be achieved with daily feeding while using an alternate morning and evening feeding schedule. This was an effort to mimic the fast that a bird experiences in a natural setting. The hens were fed the amount they would eat in 4 h during the morning one day and again the evening of the next day. Some hens ceased production in the third week and others in the fourth week, with zero production for all hens occurring during the fifth week. The return to 50% egg production was achieved from wk 7 to 8. Peak egg production occurred from the eleventh to twelfth weeks postmolt, reaching a level only 5 to 6 percentage points below the first cycle. This feeding protocol resulted in complete cessation of lay, allowing for a more uniform and complete restoration of the ovarian and oviductal tissues. This restoration is necessary for an effective economical postmolt period of egg production.

Key Words: egg production • induced molt • low nutrient diets • nonfasting

This article has been cited by other articles:

				C. Novak and P. Ruszler The Effect on Postmolt Performance of Different Crude Protein and Energy Levels During a Full-Fed Molt Procedure J. Appl. Poult. Res., January 1, 2007; 16(2): 262 - 274. [Abstract] [Full Text] [PDF]