Article (Scientific journals)
Multigenerational effects of a reduced balanced protein diet during the rearing and laying period of broiler breeders. 1. Performance of the F1 breeder generation
Lesuisse, J.; Li, C.; Schallier, S. et al.
2018In Poultry Science, 97 (5), p. 1651-1665
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Keywords :
Low protein; Maternal programming; Nutrition; Protein undernutrition; Transgenerational; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Body Composition; Chickens; Diet, Protein-Restricted; Dietary Proteins; Female; Maternal Nutritional Physiological Phenomena; Random Allocation; Reproduction
Abstract :
[en] Studies on mammals and poultry showed that maternal dietary treatments can alter the offspring performance. However, in contrast to rodent studies, little is known about multigenerational dietary manipulations in broiler breeders. The presented research aimed to investigate the effects of a reduction of 25% in the dietary crude protein (CP) level in the F0 generation on the body composition and reproductive performance of F1 broiler breeders. In the F0 generation, breeders were fed either a control (C) or reduced balanced protein (RP) diet, 25% reduction in crude protein and amino acids. Female F0- progeny of each treatment were fed a C or RP diet, resulting in 4 treatments in the F1 breeder generation: C/C, C/RP, RP/C, and RP/RP. The reproductive performance of breeders fed RP diets was negatively influenced by the dietary CP reduction in the F1 generation (P < 0.001). Moreover, breeders descending from hens that received RP diets in the F0 generation showed a significantly reduced reproductive capacity compared to their control fed counterparts (P < 0.001). Breeders fed RP diets in the F1 generation were characterized by higher plasma T3 concentrations (P < 0.001), an increased proportional abdominal fat pad (P < 0.001) and proportional liver weight (P < 0.001). During the rearing phase, the RP fed breeders needed a higher feed allowance, whereas no differences could be observed between the C/C and RP/C or the C/RP and RP/RP breeders. However, breeders originating from birds fed RP diets in the F0 generation needed lower feed allocations in the laying phase to maintain a similar body weight. Egg weight was reduced for the C/RP and RP/RP breeders. At 34 wk of age, eggs from C/RP and RP/RP breeders showed a reduced proportional albumen weight, whereas no effects on egg composition were found at 42 wk of age. It was concluded that prenatal protein undernutrition triggered hens to relocate more energy towards growth and maintenance and less towards reproductive capacity. © 2018 Poultry Science Association Inc.
Disciplines :
Animal production & animal husbandry
Author, co-author :
Lesuisse, J.;  Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Kasteelpark Arenberg 30, Leuven, 3001, Belgium
Li, C.;  Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Kasteelpark Arenberg 30, Leuven, 3001, Belgium
Schallier, S.;  Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Kasteelpark Arenberg 30, Leuven, 3001, Belgium
Clímaco, W. L. S.;  Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Kasteelpark Arenberg 30, Leuven, 3001, Belgium, Department of Zootechny, Veterinary Medicine School, Federal University of Minas Gerais, Belo Horizonte, Brazil
Bautil, A.;  Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Kasteelpark Arenberg 30, Leuven, 3001, Belgium
Everaert, Nadia ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Ingénierie des productions animales et nutrition
Buyse, J.;  Laboratory of Livestock Physiology, Department of Biosystems, KU Leuven, Kasteelpark Arenberg 30, Leuven, 3001, Belgium
Language :
English
Title :
Multigenerational effects of a reduced balanced protein diet during the rearing and laying period of broiler breeders. 1. Performance of the F1 breeder generation
Publication date :
2018
Journal title :
Poultry Science
ISSN :
0032-5791
eISSN :
1525-3171
Publisher :
Oxford University Press
Volume :
97
Issue :
5
Pages :
1651-1665
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 08 May 2019

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