scholarly journals Effects of Feed Restriction on Reproductive Performance of Broiler Breeder Males

1980 ◽  
Vol 59 (11) ◽  
pp. 2583-2585 ◽  
Author(s):  
M.G. McCARTNEY ◽  
H.B. BROWN
Keyword(s):  
Reproductive Performance ◽  
Feed Restriction ◽  
Broiler Breeder ◽  
Broiler Breeder Males

Reproductive performance, growth rate and body composition of full-fed versus feed-restricted broiler breeder hens

1991 ◽  
Vol 71 (2) ◽  
pp. 549-556 ◽  
Author(s):  
F. E. Robinson ◽  
N. A. Robinson ◽  
T. A. Scott
Keyword(s):  
Reproductive Performance ◽  
Feed Restriction ◽  
Embryo Viability ◽  
Broiler Breeder ◽  
Breeder Hens ◽  
Broiler Breeder Hens ◽  
Indian River ◽  
Prime Sequence ◽  
Ad Libitum ◽  
Ad Libitum Feeding

The effects of ad libitum versus restricted feeding during the period from 22 to 62 wk of age were examined in 60 individually-housed Indian River broiler breeder hens. Body weight of 30 ad-libitum-fed hens was approximately 700 g heavier than that of 30 restricted hens throughout most of the laying period. Mean egg output was lower in ad-libitum-fed hens (136.2 eggs) compared to restricted hens (176.6 eggs). A similar number of laying sequences (defined as consecutive days of laying) were observed in both groups of hens; however, the mean length of the prime sequence was 24.4 d for the restricted hens compared to 14.9 d for the ad-libitum-fed hens. Ad-libitum-fed hens had a higher incidence of intersequence pauses of greater than 11 d duration compared to restricted hens. Feed restriction did not improve fertility, embryo viability, or embryo production of eggs incubated for a period of 7 d. At 62 wk of age the carcasses of the restricted-fed hens contained on average 901 g of fat while the carcasses of the ad-libitum-fed hens contained 1270 g of fat. Ad libitum feeding reduced reproductive performance by reducing the length of the prime sequence and by increasing the number of long intersequence pauses. Key words: Broiler breeder hens, full-feeding, feed restriction, obesity, reproductive performance

scholarly journals Daily Energy Allotment and Reproductive Performance of Broiler Breeder Males

1993 ◽  
Vol 72 (1) ◽  
pp. 42-50 ◽  
Author(s):  
Y.A. ATTIA ◽  
K.A. YAMANI ◽  
W.H. BURKE
Keyword(s):  
Reproductive Performance ◽  
Broiler Breeder ◽  
Daily Energy ◽  
Broiler Breeder Males
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