The Use Of Feed Restriction For Improving Egg Production In Heavy Turkey Breeders
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The Use Of Feed Restriction For Improving Egg Production In Heavy Turkey Breeders
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Author : Frank Edwin Robinson
language : en
Publisher:
Release Date : 1994
The Use Of Feed Restriction For Improving Egg Production In Heavy Turkey Breeders written by Frank Edwin Robinson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Turkeys categories.
Reproductive Performance Of Turkey Breeders As Influenced By Feed And Light Restriction
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Author : Kenneth Kay Krueger
language : en
Publisher:
Release Date : 1976
Reproductive Performance Of Turkey Breeders As Influenced By Feed And Light Restriction written by Kenneth Kay Krueger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Light categories.
Restricting day length or feed consumption in winter-hatched Broad Breasted White turkeys were studied for their effects on reproductive performance. Turkey males were either full-fed and received 15, 12 or 8 hours of light per day or restricted-fed and received 15 hours of light per day from 18 through 64 weeks of age. Dark-housed (8 hours of light per day) turkey breeder hens were either full-fed or restricted-fed from 22 to 30 weeks of age. At lighting (30 weeks of age) the full-fed and restricted=fed hen groups were randomly divided and full-fed either 14% or 18% protein diets through 20 weeks of egg production. Turkey males exposed to an 8 hour day produced semen with significantly (P (less than or equal to) 0.05) higher sperm cell concentration over a 30 week collection period than did males receiving 15 hours of light per day. A significant decline in semen volume occurred in full-fed turkey males receiving 15 hours of light per day while full-fed males exposed to 12 or 8 hours of light per day produced increasing semen volumes over the collection period. Mechanically restricting daily feed consumption by approximately 50% (as compared to full-fed males) in turkey males from 18 through 64weeks of age resulted in a 30% reduction in body weight. Restricted-fed males produced increasing semen volume over a 30 week collection period with significantly (P (less than or equal to) 0.05) higher sperm cell concentrations than males full-fed and receiving 15 hours of light per day. Fertility over a 20 week egg production period was significantly higher (P (less than or equal to) 0.05) for restricted-fed males receiving 15 hours of light per day than for full-fed males receiving 15, 12 or 8 hours of light per day. Data presented suggests that the seasonal decline in semen quantity and quality in off-season turkey breeder males may be prevented through the use of feed or light restriction.
Effects Of Feed Restriction On Efficiency Of Egg Production
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Author : Edmund Guenthner
language : en
Publisher:
Release Date : 1960
Effects Of Feed Restriction On Efficiency Of Egg Production written by Edmund Guenthner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Poultry categories.
Turkey Production
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Author : Lewis Edgar Cline
language : en
Publisher:
Release Date : 1933
Turkey Production written by Lewis Edgar Cline and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1933 with Turkeys categories.
Improving The Safety And Quality Of Eggs And Egg Products
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Author : Y Nys
language : en
Publisher: Elsevier
Release Date : 2011-08-19
Improving The Safety And Quality Of Eggs And Egg Products written by Y Nys and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-08-19 with Technology & Engineering categories.
Eggs are economical and of high nutritional value, yet can also be a source of foodborne disease. Understanding of the factors influencing egg quality has increased in recent years and new technologies to assure egg safety have been developed. Improving the safety and quality of eggs and egg products reviews recent research in these areas.Volume 1 focuses on egg chemistry, production and consumption. Part one sets the scene with information on egg production and consumption in certain countries. Part two then provides essential information on egg formation and chemistry. Factors that impact egg quality are the focus of part three. Chapters cover the role of poultry breeding, hen nutrition and laying environment, among other significant topics. Part four addresses organic and free range egg production, the impact of egg production on the environment and non-poultry eggs. A chapter on processed egg products completes the volume.With its distinguished editors and international team of contributors, Volume 1 of Improving the safety and quality of eggs and egg products is an essential reference for managers in the egg industry, professionals in the food industry using eggs as ingredients and all those with a research interest in the subject. Focuses on egg chemistry, production and consumption with reference to the factors than can impact egg quality Reviews recent research in the areas of disease, egg quality and the development of new technologies to assure egg safety Comprehensively covers organic, free-range and processed egg production
The Influence Of Floor Space On Egg Production And Fertility Of Beltsville Small White And Broad Breasted Bronze Turkey Breeder Hens
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Author : John H. Wolford
language : en
Publisher:
Release Date : 1959
The Influence Of Floor Space On Egg Production And Fertility Of Beltsville Small White And Broad Breasted Bronze Turkey Breeder Hens written by John H. Wolford and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Eggs categories.
Improving Turkey Production
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Author : Roy Styring Dearstyne
language : en
Publisher:
Release Date : 1945
Improving Turkey Production written by Roy Styring Dearstyne and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1945 with Agriculture categories.
Canada Poultryman
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Author :
language : en
Publisher:
Release Date : 1996
Canada Poultryman written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Poultry categories.
The Effects Of Physical Feed Restriction On Body Composition And Reproductive Performance Of Commercial Large White Turkey Breeder Hens And Its Subsequent Economic Impact
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Author :
language : en
Publisher:
Release Date : 2000
The Effects Of Physical Feed Restriction On Body Composition And Reproductive Performance Of Commercial Large White Turkey Breeder Hens And Its Subsequent Economic Impact written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.
Large White turkey breeder hens were tested in a 4 X 3 factorial design to evaluate the effect of three different levels of physical feed restriction on subsequent reproductive performance. The feed treatments comprised: Control Control (CC) - ad libitum fed throughout the study, Control Restricted (CR) - feed restricted from 16-24 WOA, Restricted Control (RC) - feed restricted from 3-16 WOA and Restricted Restricted (RR) - feed restricted from 3-24 WOA. Feed restriction was implemented so that restricted fed hens achieved a 45% reduction in BW as compared to Control hens at 16 WOA. From 16-24 WOA restriction was implemented to maintain a slight increase in BW. At the completion of the respective restriction period, hens were gradually released back to ad libitum feeding. At the time of photostimulation (30 WOA) all treatments were divided into sub-treatments by weight: HEAVY, MEDIUM and LIGHT, resulting in four treatments with three sub-treatments within each. All hens continued on ad libitum feeding throughout a 20 wk lay cycle. Body weight (BW) for all treatments differed significantly (P
Improving The Efficiency Of Turkey Breeding Programs Through Selection Index Design Technological Advancements And Management Optimization
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Author : Lindsay Anne Case
language : en
Publisher:
Release Date : 2011
Improving The Efficiency Of Turkey Breeding Programs Through Selection Index Design Technological Advancements And Management Optimization written by Lindsay Anne Case and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.