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Facoltā di Scienze Agrarie e Alimentari Universitā degli Studi di Milano
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Animal nutrition and feeding (advanced course)
Code: G5813-
Teacher:  Luca Rapetti
Year: 
Term: 
CFU: 
CFU subdivision: Lectures: 4
Practices in classroom: 4
Basic aims:  The aim of the course is to strengthen the basic
knowledge of the students in animal nutrition and to
develop in the students a critical comprehension of the
feeding systems and their relative issues, in a view able
of focusing at the same time on the productive aspects,
animal welfare and environmental impact.
Acquired skills:  The students develop the ability to analyze and evaluate
issues related to animal nutrition and feeding, having the
competence to deal with them appropriately.
Course contents:  Ecology of nutrition. Digestion and metabolism.
Nutritive value of feedstuffs and methodological
features of feed evaluation. Physico-chemical
composition and digestibility of feeds. Voluntary food
intake. Requirements and functions of water, minerals
and vitamins. Energy and protein requirements.
Secondary substances in concentrates and forages.
The use of additives in animal nutrition. Basic concepts
of animal nutrition modeling. Rations formulation and
evaluation. Evaluation of nutritional status of animals.
Basic concepts of nutritional genomics.
Program:  - Ecology of nutrition.
Nutritional classification of animal species. Ecology
and digestive physiology of modern herbivorous
animals. Plasticity in feeding behaviour.
- Digestion and metabolism.
Animal digestive systems. Digestion in the stomach
and small intestines. Protein, polysaccharide and
disaccharide and lipid digestion. Rumen digestion.
Energy metabolism. The main energy sources for
mono-gastrics and ruminants. Synthesis of protein,
lipids and carbohydrates.
- Nutritive value of feedstuffs and methodological
features of feed evaluation.
Food classification. Nutrient groups and their
functions. Food analysis. The proximate analysis.
Carbohydrate and protein fractions. Energy partition
of food. In vivo, in situ and in vitro digestibility
measurements. Potential degradability and rate of
digestion. Dietary and nutritional value of fibre.
Amino-acids composition and evaluation of
feedstuffs for mono-gastric animals. Protein
evaluation for ruminants. Glycemic index.
- Physico-chemical composition and digestibility of
feeds.
Forage fibre digestibility. Cereal starch digestibility.
- Voluntary feed intake.
Regulation of food consumption. Food intake and
digest flow. Food palatability, diet selection and
intake.
- Requirements and functions of water, minerals
and vitamins.
Water use and requirements. Minerals: their
functions and requirements. The dietary cation
anion difference. Vitamins: classifications, functions
and requirements.
- Energy and protein requirements.
Metabolic weight. Basal metabolism. Requirements
for maintenance and production.
- Rations formulation and evaluation.
Nutritional modelling in ration formulation. Basic
concepts of ration formulation. Optimization in
ration formulation. Different models for mono-
gastrics and ruminants.
- Evaluation of nutritional status of animals.
Indices of energy and protein status.
- Secondary substances in concentrates and
forages.
- Basic concepts of feed mills.
- The use of additives in animal nutrition.
- Basic concepts of nutritional genomics.

PRACTICAL EXERCISES

- Feedstuffs
- Rumen digestion
Sampling and evaluation of rumen fluid.
- Ration formulation
Use of electronic sheet for ration formulation. Use of
professional software for cattle diet evaluation.
- Technical visits
Technical visits in cattle, swine and goat farms and in a
feed mill.
Prerequisites:  Knowledge of organic chemistry. Knowledge of anatomy
and physiology of the digestive tract of ruminants and
monogastrics. Basic knowledge of animal nutrition.
Preparatory instructions:  Organic chemistry. Anatomy, physiology and animal
genetics mod.1: anatomy and physiology of domestic
animals. Nutrition, food and animal breeding techniques
mod.1: nutrition and feeding.
Learning materials:  - Animal Nutrition Science – Gordon McL. Dryden. CAB
International, 2008.
- Lectures notes Power Points PPT/PDF slides.
Other info:  Oral examination at the end of the course.
DOWNLOAD
Program of Animal nutrition and feeding (advanced course) (pdf version)
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