Re-examination subjects: animal nutrition and feed science or livestock environmental sanitation and animal husbandry.
Recommended bibliography:
1, Basic Biochemistry (2nd Edition), edited by Guo Aiguang, Higher Education Press, 2009.
2. Biochemical Experiment, edited by Tao Lin and Shan Zhi, Southwest Jiaotong University Press, 2009.
Extended data:
Scope of postgraduate entrance examination for animal nutrition and feed science:
1, animal nutrition:
(1) composition of feed and animal body: basic concepts of feed, nutrients and nutrition; Concept, types and analysis of nutritional analysis
Scheme; Similarities and differences of chemical components in animal and plant feeds.
(2) Feed intake, digestion and absorption: concepts such as feed intake, free feed intake and restricted feed intake; Digestibility, apparent digestibility, true digestibility
Rate and other concepts and calculation formulas; The corresponding relationship between feed intake and feed intake system; Factors affecting feed intake; Factors affecting digestibility.
(3) Water and animal nutrition: the physiological function of water; Sources and ways of water in animals; Main factors affecting animal water demand.
(4) protein nutrition: the composition and nutritional function of protein; Essential amino acids, non-essential amino acids, restrictive amino acids, amino acids
Keywords equilibrium, ideal protein, amino acid complementation, rumen degradable protein, rumen nondegradable protein (rumen bypass protein), degradation rate
Basic concepts such as; Advantages and disadvantages of protein digestion in ruminants; Principles and precautions of using non-protein nitrogen in ruminants: improving feed protein
The main methods of quality and nutritional value.
(5) Carbohydrate nutrition: the nutritional function of carbohydrates; Advantages and disadvantages of crude fiber on animal nutrition: affecting animals
Main factors of crude fiber utilization; Characteristics of carbohydrate digestion in ruminants.
(6) Fat nutrition: the composition and nutritional function of lipids; The concept, function and defects of essential fatty acids; Monogastric animals and ruminants
Similarities and differences of fat digestion, absorption and metabolism.
(7) Energy metabolism: concepts such as total energy, digestive energy, metabolic energy, net energy, fecal energy, urine energy, gaseous energy, and increased heat consumption. Feed energy
The transformation process of animals; Significance of feed energy level in animal husbandry production.
(8) Mineral nutrition: the concepts of macroelements and microelements; Major macro elements (calcium, phosphorus, sodium, chlorine, potassium, etc. ) and major trace elements.
Physiological functions and typical deficiency of vitamins (iron, copper, zinc, manganese, selenium, iodine, cobalt, fluorine, etc.). ).
(9) Vitamin nutrition: the basic concept and classification of vitamins; Fat-soluble vitamins and main water-soluble vitamins (VB 1, VB2, VB3,
VB4, VB5, VB6, VB7, VB 12, VC, etc. ), a typical deficiency.
(10) Research methods of animal nutrition: concepts, purposes and methods of chemical analysis, digestion test, metabolism test and balance test;
Basic concept and application of animal feeding experiment; Determination of energy utilization rate of feed: protein nutritional value evaluation system for monogastric animals;
Evaluation system of nutritional value of ruminant protein.
(1 1) Nutritional requirements, feeding standard and diet coordination: nutritional requirements, maintenance requirements, metabolic weight, growth and fattening, and short-term optimal feeding.
The concepts of law, standard milk, feeding standard, diet, balanced diet and dietary formula; Universal nutritional indicators and measurement units; Determination of animals
Methods of nutritional requirements; Effects of nutrition on meat production, egg production, milk production and reproduction; Basic principles and methods of designing dietary formula.
(12) Research progress of animal nutrition: microecological nutrition, the relationship between nutrition and the quality of livestock and poultry products, and the relationship between nutrition and environmental protection.
2, feed science:
(1) feed chemistry: the basic characteristics of carbohydrates, lipids and nitrogen compounds in feed; The concept of anti-nutritional factors and feed
Types of main anti-nutritional factors in raw materials.
(2) Feed classification: international feed classification and coding, China feed classification and coding methods; Classification basis and characteristics of different types.
(3) Green feed: the concept and nutritional characteristics of green feed; Nutritional characteristics and feeding value of common turquoise feed.
(4) Silage: the concept and significance of silage; Principles and steps of conventional silage; Changes of nutrients during silage, green
Nutritional characteristics and quality identification methods of stored feed.
(5) Roughage: the concept, nutritional characteristics and types of roughage; Nutritional characteristics and feeding value of grass powder feed: adjustment of roughage processing
Systematic approach.
(6) Energy feed: the concept, nutritional characteristics and types of energy feed; Corn, wheat, barley, rice, sorghum, bran, rice
Nutritional characteristics and feeding value of bran, oil and whey powder.
(7) protein feed: the concept, nutritional characteristics and types of protein feed; Keywords soybean, bean cake, rapeseed cake, cottonseed cake,
Nutritional characteristics and feeding value of corn gluten meal, fish meal and yeast feed: rational use of urea NPN.
(8) Mineral feed: types and characteristics of calcium source feed and phosphorus source feed; Function of zeolite, rare earth and bentonite.
(9) Feed additives: the definition, classification, functions and principles of use of feed additives; Amino acid, enzyme preparation, antibiotic feed additive
Significance, problems and reasonable application technology.
(10) Development and utilization of feed resources: current situation of feed resources in China; Ways and methods of development and utilization of feed resources.
References:
Nanjing Agricultural University official website-Animal Nutrition and Feed Science Postgraduate Entrance Examination Directory