Journal of Food, Agriculture and Environment

Vol 9, Issue 3&4,2011
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Effect of spiking of young males in different percentage on economic performance of broiler breeder flock


Hadi Haghbin Nazarpak 1*, Ali-Reza Fallah-Khair 2

Recieved Date: 2011-05-17, Accepted Date: 2011-10-03


In order to improve fertility performances of a broiler breeder flock and investigate its effect on economic performance of flock, males existing in flock at laying period were divided in 7 separated treatments by completely random design (CRD) with different management treatments. The results of hatching egg percent of fertile eggs in different treatments were considered as fertility index of flock. Treatment 7 was control and repeats of design were age of flock at the weeks of 28 to 66. Sex ratio of males to females was reduced at the weeks of 30, 35, 40 and 62. At the week 44, spiking of young males in the main flock was performed for treatments 1 to 6 in different percentage of 100, 80, 60, 40, 20 and 10. Hatching egg percent values of treatments in three periods of weeks 28 to 44 (before spiking), weeks 44 to 66 (after spiking) and weeks 28 to 66 (before and after spiking) compared with each other by least significant difference (LSD) procedure. Results showed that by except of treatments 1 and 2, reduction of spiking percentage caused no significant decrease in hatching eggs percent, but treatment 2 compared with treatment 1 had no significant increase in hatching egg percent (P>0.01). Effect of spiking on culling percent of females resulted from physical damages of males were not significant between treatments 1 to 5 (P>0.01); but it was significant with treatments 6 and 7 (P<0.01). Infertility percent values of grading eggs in hatchery had no significant increase in treatments 1 to 6 to each other and with control treatment in 3 mentioned periods (P>0.01). Therefore, spiking of young males in different percentages and decrease of sex ratio of males to females had no significant effect on hatching egg percent and flock fertility. Study of economic performance of different treatments showed that treatments with the most spiked male percentage had the least and treatments with the least spiked male percentage the most economic performance of the male’s fertility management.


Spiking, fertility, hatching egg percent, broiler breeder, economic performance

Journal: Journal of Food, Agriculture and Environment
Year: 2011
Volume: 9
Issue: 3&4
Category: Agriculture
Pages: 564-569

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