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Author: National Research Council Publisher: National Academies Press ISBN: 0309051266 Category : Science Languages : en Pages : 188
Book Description
In the years since the third edition of this indispensable reference was published, a great deal has been learned about the nutritional requirements of common laboratory species: rat, mouse, guinea pig, hamster, gerbil, and vole. The Fourth Revised Edition presents the current expert understanding of the lipid, carbohydrate, protein, mineral, vitamin, and other nutritional needs of these animals. The extensive use of tables provides easy access to a wealth of comprehensive data and resource information. The volume also provides an expanded background discussion of general dietary considerations. In addition to a more user-friendly organization, new features in this edition include: A significantly expanded section on dietary requirements for rats, reporting substantial new findings. A new section on nutrients that are not required but that may produce beneficial results. New information on growth and reproductive performance among the most commonly used strains of rats and mice and on several hamster species. An expanded discussion of diet formulation and preparationâ€"including sample diets of both purified and natural ingredients. New information on mineral deficiency and toxicity, including warning signs. This authoritative resource will be important to researchers, laboratory technicians, and manufacturers of laboratory animal feed.
Author: National Research Council Publisher: National Academies Press ISBN: 0309051266 Category : Science Languages : en Pages : 188
Book Description
In the years since the third edition of this indispensable reference was published, a great deal has been learned about the nutritional requirements of common laboratory species: rat, mouse, guinea pig, hamster, gerbil, and vole. The Fourth Revised Edition presents the current expert understanding of the lipid, carbohydrate, protein, mineral, vitamin, and other nutritional needs of these animals. The extensive use of tables provides easy access to a wealth of comprehensive data and resource information. The volume also provides an expanded background discussion of general dietary considerations. In addition to a more user-friendly organization, new features in this edition include: A significantly expanded section on dietary requirements for rats, reporting substantial new findings. A new section on nutrients that are not required but that may produce beneficial results. New information on growth and reproductive performance among the most commonly used strains of rats and mice and on several hamster species. An expanded discussion of diet formulation and preparationâ€"including sample diets of both purified and natural ingredients. New information on mineral deficiency and toxicity, including warning signs. This authoritative resource will be important to researchers, laboratory technicians, and manufacturers of laboratory animal feed.
Author: Reva Cotter Publisher: Balboa Press ISBN: 1982236817 Category : Fiction Languages : en Pages : 40
Book Description
A key stone animal is a tiny creature with a big impact on our planet. It lives in harmony with nature and helps to replenish the earth. The Meadow Vole is Block Island’s key stone animal, as it plays freely in nature and accepts each new day as an adventure. Everyone can enjoy the day’s journey as this tiny creature nourishes itself and its home, the island. Exploring scientific and spiritual concepts like decomposition, friendship, and symbiotic relationships, we see how the Meadow Vole can remind us all how to live harmoniously.
Author: Publisher: ISBN: Category : Voles Languages : en Pages : 4
Book Description
The South Carolina Department of Natural Resources published guides to many threatened animals living in the state. This guide gives information about the meadow vole, including description, status, habitat, conservation challenges & recommendations, and measures of success.
Author: Edwin Perry Martin Publisher: DigiCat ISBN: Category : Fiction Languages : en Pages : 87
Book Description
DigiCat Publishing presents to you this special edition of "A Population Study of the Prairie Vole (Microtus ochrogaster) in Northeastern Kansas" by Edwin Perry Martin. DigiCat Publishing considers every written word to be a legacy of humankind. Every DigiCat book has been carefully reproduced for republishing in a new modern format. The books are available in print, as well as ebooks. DigiCat hopes you will treat this work with the acknowledgment and passion it deserves as a classic of world literature.
Author: Chad Wallace Publisher: Sourcebooks, Inc. ISBN: 158469484X Category : Juvenile Fiction Languages : en Pages : 32
Book Description
A curious young mouse boldly ventures into the meadow for the first time. There he is given a crash course on life—from creatures both friendly and not so friendly. Science and story blend seamlessly in this entertaining coming of age tale.
Author: Leigh W. Simmons Publisher: Princeton University Press ISBN: 0691207038 Category : Science Languages : en Pages :
Book Description
One hundred years after Darwin considered how sexual selection shapes the behavioral and morphological characteristics of males for acquiring mates, Parker realized that sexual selection continues after mating through sperm competition. Because females often mate with multiple males before producing offspring, selection favors adaptations that allow males to preempt sperm from previous males and to prevent their own sperm from preemption by future males. Since the 1970s, this area of research has seen exponential growth, and biologists now recognize sperm competition as an evolutionary force that drives such adaptations as mate guarding, genital morphology, and ejaculate chemistry across all animal taxa. The insects have been critical to this research, and they still offer the greatest potential to reveal fully the evolutionary consequences of sperm competition. This book analyzes and extends thirty years of theoretical and empirical work on insect sperm competition. It considers both male and female interests in sperm utilization and the sexual conflict that can arise when these differ. It covers the mechanics of sperm transfer and utilization, morphology, physiology, and behavior. Sperm competition is shown to have dramatic effects on adaptation in the context of reproduction as well as far-reaching ramifications on life-history evolution and speciation. Written by a top researcher in the field, this comprehensive, up-to-date review of the evolutionary causes and consequences of sperm competition in the insects will prove an invaluable reference for students and established researchers in behavioral ecology and evolutionary biology.
Author: National Research Council
Author: National Research Council
Author: Reva Cotter![The Relationship of Meadow Vole (Microtus Pennsylvanicus Ord) Density to Individual Growth and Reproduction and to the Structure and Compositon [sic] of Vegetation PDF](https://books.google.com/books/content/images/frontcover/075wwAEACAAJ?fife=w80-h100)
Author: Wesley Clare Berseth
Author: Andrew G. Marshall
Author: 
Author: George A. Feldhamer
Author: Edwin Perry Martin
Author: Chad Wallace
Author: Leigh W. Simmons
Author: Jeanine E. Karnes