scholarly journals Effect of different levels of feed restriction and fish oil fatty acid supplementation on fat deposition by using different techniques, plasma levels and mRNA expression of several adipokines in broiler breeder hens

PLoS ONE ◽  
2018 ◽  
Vol 13 (1) ◽  
pp. e0191121 ◽  
Author(s):  
Namya Mellouk ◽  
Christelle Ramé ◽  
Maxime Marchand ◽  
Christophe Staub ◽  
Jean-Luc Touzé ◽  
...  
2000 ◽  
Vol 50 (2) ◽  
pp. 121-128 ◽  
Author(s):  
O. Herstad ◽  
M. Øverland ◽  
A. Haug ◽  
A. Skrede ◽  
M. S. Thomassen ◽  
...  

1991 ◽  
Vol 71 (2) ◽  
pp. 549-556 ◽  
Author(s):  
F. E. Robinson ◽  
N. A. Robinson ◽  
T. A. Scott

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


Author(s):  
Janagam Indumathi ◽  
M. Shashikumar ◽  
G. Vijaya Bhaskar Reddy ◽  
A. Jagadeesh Babu ◽  
M. Gnana Prakash

Aim: The aims of this study were to develop and standardize the sausages prepared from meat of spent broiler breeder hens and also to improve the functionality by using ground peanut seed as partial animal fat substitute basing on physico-chemical, proximate and sensory properties of the product. Design of the Study: Conducted six numbers of trails to develop and standardize the functional chicken sausages fortified with ground peanut seed by utilizing cheaply available meat from spent broiler breeder hens. Place and Duration of Study: Work done at Department of Livestock Products Technology, College of Veterinary Science, Tirupati, Chittoor District, Andhra Pradesh India. The duration of study was 2 years (From 2018 to 2019). Methodology: Ground peanut seed used at three different levels as fat replacer in order to study the influence of its addition on physico chemical, proximate, fatty acid composition and sensory evaluation of functional chicken sausages. Results: Results showed that functional chicken sausages fortified with ground peanut seed at 10% level were found to have significantly (P<0.05) higher pH, cooking yield, emulsion stability, hardness, crude protein, crude fiber, total ash, PUFA/SFA ratio, mono and poly unsaturated fatty acids and significantly lower moisture, crude fat, cholesterol and saturated fatty acids when compared to the control and rest of the peanut seed fortified sausages with no significant difference was observed in sensory scores. Conclusion: Replacing chicken fat with ground peanut seeds is possible to develop a healthy fatty acid profile and fiber-enriched chicken sausages.


2018 ◽  
Vol 2 (3) ◽  
pp. 263-271 ◽  
Author(s):  
Mandy Bowling ◽  
Rebecca Forder ◽  
Robert J Hughes ◽  
Sarah Weaver ◽  
Philip Ian Hynd

Abstract The prenatal environment has been shown to have significant effects on the lifelong health of offspring in humans and other species. Such effects have not been studied extensively in avian species but could prove important, especially in the case of severe feed restriction imposed on broiler breeder hens to prevent obesity and reduce rate of lay. Feed restriction can potentially affect not only nutrient supply to the embryo but stress hormone levels within the hen. This study investigated the impact of nutrient restriction of the breeder hen on growth rate and immune responses in the progeny with the objective to measure the impact of feed restriction of broiler breeder hens on growth and immune response of the progeny. Broiler breeder hens were feed restricted from 24 wk of age and maintained at three bodyweights; 3.4, 3.6, and 4.0 kg until 43 wk of age and behavioral and physiological measures of stress recorded. Chicks were hatched from each hen treatment and at day 7 vaccinated for infectious bronchitis virus (IBV) and at 16, 18, and 20 d old given an immune challenge of lipopolysaccharide. Growth and immune responses of these birds were then recorded. Sex ratio was affected by hen bodyweight, with a significantly increased proportion of males hatched from heavy hens. Growth rate from 35 to 42 d of age was reduced in male progeny from low bodyweight hens. Female progeny from heavy hens responded to an immune challenge by reduced live weight and increased heterophil: lymphocyte ratio, suggesting a more robust immune response in these birds than in the progeny from lower bodyweight hens. Overall, progeny from heavy hens had increased antibodies at day 35 to the vaccination of IBV compared with progeny of low bodyweight hens, also suggesting an improved immune response in these birds. Breeder hens restricted to the lowest feed level showed behaviors indicative of increased stress (object pecking) and an increased heterophil: lymphocyte ratio. Feed restriction of broiler breeder hens increased indices of stress in hens and resulted in offspring that have reduced growth rate and immune response in a sex-dependent way.


1997 ◽  
Vol 77 (1) ◽  
pp. 177-179 ◽  
Author(s):  
R. H. McGovern ◽  
R. A. Renema ◽  
F. E. Robinson

Fifty-four-week-old breeder hens were either feed restricted to meet target weight or over-fed by 10 or 20 g daily for 8 wk. Overfeeding increased body weight and breast muscle weight, but did not affect fat pad weight, ovary morphology or egg output. The consequences of over feeding old breeder hens are not as severe as has previously been reported with young hens. Key words: Broiler breeders, feed restriction, ovary morphology, egg production


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