Regulation of forage intake

DR Mertens - Forage quality, evaluation, and utilization, 1994‏ - Wiley Online Library
This chapter reviews the mechanisms of intake regulation, presents integrated models of
intake concepts that include both animal and dietary factors, and discusses variation in …

The cognitive foundations of cultural stability and diversity

D Sperber, LA Hirschfeld - Trends in cognitive sciences, 2004‏ - cell.com
The existence and diversity of human cultures are made possible by our species-specific
cognitive capacities. But how? Do cultures emerge and diverge as a result of the …

[ספר][B] Comparative physiology of the vertebrate digestive system

CE Stevens, ID Hume - 2004‏ - books.google.com
This book is useful for anyone interested in the basic structural and functional characteristics
of the digestive system and how these vary among vertebrate groups and species. It …

Physical constraints on voluntary intake of forages by ruminants

MS Allen - Journal of animal science, 1996‏ - academic.oup.com
Voluntary dry matter intake (VDMI) of forages by ruminants may be limited by distention
resulting from restricted flow of digesta through the gastrointestinal tract. An animal's …

[ספר][B] Voluntary food intake and diet selection in farm animals

JM Forbes - 2007‏ - books.google.com
The feeding of farm animals directly effects their growth, health, reproduction and ultimately
their economic value and is consequently one of the most studied areas of animal science …

Predator functional responses: discriminating between handling and digesting prey

JM Jeschke, M Kopp, R Tollrian - Ecological monographs, 2002‏ - Wiley Online Library
We present a handy mechanistic functional response model that realistically incorporates
handling (ie, attacking and eating) and digesting prey. We briefly review current functional …

Potential for reduced methane and carbon dioxide emissions from livestock and pasture management in the tropics

PK Thornton, M Herrero - Proceedings of the National Academy of …, 2010‏ - pnas.org
We estimate the potential reductions in methane and carbon dioxide emissions from several
livestock and pasture management options in the mixed and rangeland-based production …

Modelling the nutritional ecology of ungulate herbivores: evolution of body size and competitive interactions

AW Illius, IJ Gordon - Oecologia, 1992‏ - Springer
A simulation model is used to quantify relationships between diet quality, digestive
processes and body weight in ungulate herbivores. Retention time of food in the digestive …

Ungulate foraging strategies: energy maximizing or time minimizing?

CM Bergman, JM Fryxell, CC Gates… - Journal of Animal …, 2001‏ - Wiley Online Library
Summary 1 Many classical models of ungulate foraging are premised on energy
maximization, yet limited empirical evidence and untested currency assumptions make the …

Integrated crop–livestock simulation models for scenario analysis and impact assessment

PK Thornton, M Herrero - Agricultural systems, 2001‏ - Elsevier
Despite the fact that many smallholder farming systems in develo** countries revolve
around the interactions of crop and livestock enterprises, the modelling of these systems …