9787109052109 (1 resultados)

paperback. Condición: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pub Date :1998-07-01 Pages: 1998 Publisher: China Agriculture Press title: Scientific hatched chickens and brood Original Price: $ 7: Agriculture and Forestry Committee chief editor of Popular Science Writers' Association. Pan Yuhua. Shiu-Feng Huang ed Publisher: China of Agriculture Press Publication Date: 1998-7-1ISBN: 9787109052109 words: Page :1998 -01-01 Edition: Binding: Folio: Product ID: Garden Wing: 430.103 China Agriculture Press Editor's Choice No Summary scientific hatch Chicken and brooding. is to ensure that the survival rate of the chicken. and improve key aspects of the chicken's egg production rate and the rate of production of meat. Book from the scientific hatching chickens and chicks nurture detailed description of two aspects the artificial hatching chickens brood (grower) stage of technical experience. also collected at home and abroad in recent years. some of the hatch and brood of new technologies and new information . The book is easy to understand. illustrations. practicality and operability suitable for chicken specialized households read while available in. small farms rearing reference to. Directory chicken hatching eggs is formed? 2 eggs constructed? 3 eggshell formation and its role is it? 4 eggshell color several? 5 protein is formed? 6 egg yolks is formed? 7 ovules and blastoderm What is the difference? What is the role of the 8 shell membrane and the gas chamber? 9 What are the characteristics of poultry breeding? 10 egg formation process embryos begin to develop it? 11 What is the yolk sac? In the incubation period of embryonic development. what role? The 12 pulp amniotic formed? In the incubation period of embryonic development what role? 13 chorioallantoic membrane is formed? In the incubation period of embryonic development. what role? What are the characteristics of 14 embryos at different developmental stages metabolism? 15 Why engage in artificial incubation? The artificial incubation main factors - temperature how to master? 16 What is the see tires Schwinn? See tire Schwinn artificial incubation in how to master? Humidity 17 artificial incubation and embryonic development. what is the relationship? 18 artificial incubation humidity should be how to master? 19 how to deal with the relationship between the temperature and humidity in the incubator? The 20 artificial incubation ventilation should how to master? The 21 artificial incubation Why turn the eggs? How to master? The 22 artificial incubation Why cool the eggs? How to master? What is 23 throughout the incubation period distribution of embryonic death. and the cause of death? 24 genetic factors on hatchability? 25 hen age and egg production on hatchability? The 26 breeder health and feed on hatchability what? 27 climate and altitude on hatchability? 28 egg quality hatching eggs of the position and the position of the embryo in the egg hatchability have any effect? What are the 29 factors that affect the incubation period? 30 eggs in artificial incubation process why according to the egg? The appropriate Eggtester of what time? 31 developed normally live Peidan with the various anomalies Peidan how to identify? 32 in the process of hatching how to apply the the egg weight changes to check and analyze the effects of hatching? 33 how to check the hatching effect based on the observation of the hatching situation? 34 died young and the stillbirth eggs (hairy egg) with observation and necropsy residual checks hatching? 35 Why rigorous selection of eggs? The 36 malformations egg is produced? 37 of eggs to choose? 38 What is the the physiological critical temperature? 39 eggs under what environmental conditions should be saved? 40 eggs save time and placement should be how to master? 41 Why egg disinfection? 42 eggs which are several ways disinfection? 43 of eggs to be packed and transported? 44 incubators which several types? 45 elec.