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Author:
Publisher:
ISBN:
Category : Calves
Languages : en
Pages : 166
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Book Description
Author:
Publisher:
ISBN:
Category : Calves
Languages : en
Pages : 166
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Book Description
Author: Christian Maltecca
Publisher:
ISBN:
Category :
Languages : en
Pages : 240
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309031818
Category : Science
Languages : en
Pages : 169
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Book Description
Author: U. S. Department of Agriculture
Publisher:
ISBN: 9781387240869
Category : Reference
Languages : en
Pages : 0
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Book Description
This guide is an overview of the process of becoming certified organic. It is designed to explain the USDA organic regulations as they apply to livestock producers. If you are also producing crops, you will need the "Guide for Organic Producers" to understand the regulations pertaining to the land and to crop production. In addition to explaining the regulations, both guides give examples of the practices that are allowed for organic production. The first four chapters of the crops guide are essentially the same as the first four of this guide; they give an introduction to the National Organic Program (NOP), the organiccertification process, the Organic System Plan (OSP), and much more. You can find the crops guide and many other helpful publications at www.attra.ncat.org. If you have already read the crops guide or if you already are familiar with the certification process, proceed to Chapter 5, "Overview of Organic Livestock Systems" in this guide.
Author: Julius Van der Werf
Publisher:
ISBN: 9781786762986
Category : Cattle
Languages : en
Pages : 659
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Book Description
Author:
Publisher:
ISBN:
Category : Dairy cattle
Languages : en
Pages : 132
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Book Description
Author: Martin Green
Publisher: CABI
ISBN: 1845939972
Category : Medical
Languages : en
Pages : 326
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Book Description
Dairy cow herd health is an important and universal topic in large animal veterinary practice and farming, covering both preventive medicine and health promotion. With the move towards large scale farming, the health of the herd is important as an economic unit and to promote the health of the individuals within it. This book will focus on diseases within herds, herd husbandry practices, youngstock management and environmental issues. Major diseases and conditions will be covered such as mastitis, lameness, nutrition, metabolic and common infectious diseases from a herd health perspective.
Author: Bruce Walsh
Publisher: Oxford University Press
ISBN: 0192566644
Category : Science
Languages : en
Pages : 1504
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Book Description
Quantitative traits-be they morphological or physiological characters, aspects of behavior, or genome-level features such as the amount of RNA or protein expression for a specific gene-usually show considerable variation within and among populations. Quantitative genetics, also referred to as the genetics of complex traits, is the study of such characters and is based on mathematical models of evolution in which many genes influence the trait and in which non-genetic factors may also be important. Evolution and Selection of Quantitative Traits presents a holistic treatment of the subject, showing the interplay between theory and data with extensive discussions on statistical issues relating to the estimation of the biologically relevant parameters for these models. Quantitative genetics is viewed as the bridge between complex mathematical models of trait evolution and real-world data, and the authors have clearly framed their treatment as such. This is the second volume in a planned trilogy that summarizes the modern field of quantitative genetics, informed by empirical observations from wide-ranging fields (agriculture, evolution, ecology, and human biology) as well as population genetics, statistical theory, mathematical modeling, genetics, and genomics. Whilst volume 1 (1998) dealt with the genetics of such traits, the main focus of volume 2 is on their evolution, with a special emphasis on detecting selection (ranging from the use of genomic and historical data through to ecological field data) and examining its consequences.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309037956
Category : Medical
Languages : en
Pages : 384
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Book Description
This lively book examines recent trends in animal product consumption and diet; reviews industry efforts, policies, and programs aimed at improving the nutritional attributes of animal products; and offers suggestions for further research. In addition, the volume reviews dietary and health recommendations from major health organizations and notes specific target levels for nutrients.
Author: Jeffrey Rushen
Publisher: Springer Science & Business Media
ISBN: 1402065582
Category : Science
Languages : en
Pages : 314
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Book Description
This book covers all aspects of research into the welfare of dairy, veal and beef cattle, covering behavior, nutrition and feeding, housing and management, stockmanship, and stress physiology, as well as transport and slaughter. It also offers a detailed and critical analysis of the main indicators of animal welfare and covers the main threats to animal welfare in modern cattle production systems.
