Agricultural Sciences Memo 1 (English)

May-June 2016 — Grade 12 / Matric — Agricultural Sciences

Memo 2016 Grade 12 English Agricultural Sciences Hub →

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🎯 150 marks 📄 10 pages 📝 75 items found 📚 3 topics 🔑 1 key info

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Q1— Section header —

1.1.10A/B/C/D (10 x 2\ (20\

1.2.5B only nly Both A and B nly None (5 x 2\ (10\

1.3.5Ammonia Backyard /free range system Placenta retention Spermatogenesis Flushing /harvesting (5 x 2\

1.4.5Mineral lick Antibodies Progesterone Mummification Pistolette (5 x 1\ (5\ TOTAL SECTION A:

Q2— Section header —

2.1Alimentary canal of poultry

2.1.1Identification of the parts Crop Proventriculus/ landular stomach Ventriculus izzard/ uscular stomach

2.1.2Letter of the part that contains small stones (1\

2.1.3eason for the presence of stones Helps with mechanical digestion/grinding of the food (1\

2.1.4Parts of the alimentary canal of poultry that will not be found sheep Crop /A roventriculus

2.2Composition of feed intake and excreted by a calf consuming 5kg

2.2.1eed component with lowest absorption rate Crude fibre (1\

2.2.2reasons for the answer Has the highest rate of excretion Fore st omachs/rumen not well developed /not functional Absence /limited quantities of rumen micro flora (Any 2\

2.2.3ONE reason for not recommending it for dairy cows Crude protein concentration is too low/5% Crude fibre concentration is too high/78% (Any 1\

2.2.4Calculat ry material (DM\ in the feed (15% moisture\ 0,15 x 5kg = 0,75kg moisture 5kg 0,75 = 4,25kg DM (85% DM\ 0,85 x 5kg

2.3Pearson square method ( Informa tion two feeds

2.3.1Calculat percentage (a\ Maize meal x 100 = 93,93% (b\ Soybean meal

2.3.2ost of soybean in the ration 060 (6,06 x 285kg = 17 27kg 27kg x R4,58 per kg = R79,

2.4Biolo gical value (BV\ data

2.4.1Expla ation of biological value BV is an index of the % of nitrogen in a certain feed It reflects the quality of protein in the feed It is determined by the amino acid composition and the ratio of amino acids in the protein

2.4.2Relation between t he BV and the quality of a feed The higher the BV The better the quality of a feed The lower the BV The lower the quality of a feed

2.4.3Identification of f eed with the lowest BV Maize meal (1\

2.4.4Dete rmination of suitability of maize meal Suitable for energy/fattening ot suitable for production/growth/reproduction (Any 1\ (1\

2.4.5Importance of feeding pigs feed with high They are not able to produce their own amino acids They need to be fed protein directly (2\

2.5Fodder flow planning

2.5.1

2.5.2Fodder crop best utilized for: (a\ Summer grazing Kikuyu (pasture\ (b\ Succulent crop during the winter Maize

Q3— Section header —

3.1ehaviour of farm animal

3.1.1rea indicated Blind spot Balancing point (2\

3.1.2Position where the handler i s safe Outside the flight zone /any area outside the circle /around Reason In that position the handler is not a threat to the animal

3.1.3THREE guidelines important when handling cattle Have knowledge/understanding of their behaviour Correct handling techniques Correct handling facilities Animal behaviour must be anticipated Be careful/watchful/prepared when working with animals

3.2Scenari animal production systems

3.2.1Farming s ystem practised Farmer A Commercial farm ing Farmer B Subsistence farming (1\

3.2.2Justification Farmer A Produce on a large scale /sell the produce for profit Farmer B

3.2.3armer with the highest contribut ion to environmental decline/ deterioration Farmer A (1\

3.2.4TWO environmental effects armer A produce 1440 tons of manure per year Produce methane as a by product or ruminant digestion

3.3paratus used in sheep production process

3.3.1Identification of apparatus Electrical hot knife/ pliers (1\

3.3.2Function of apparatus in sheep Tail docking /castration (1\

3.3.3TWO r easons why apparatus is preferred Easy to use /fast Cheap Bloodless method

3.3.4ge at administering Young as possible/before day after birth Reason Animals are easier to handle

3.3.5ONE other apparatus that can be used Knife/ calpel Rubber/elastrator ring /castrator Burdizzo (Any 1\ (1\

3.4Diseases in farm animals

3.4.1Complet table Bacteria /Bacterium Cattle/ heep/ oat Protozoa /Protozoan

3.4.2isease affecting only dairy cows Mastitis (1\

3.4.3A management practice used that will prevent red water Inoculation/v accination /immunisation Dipping to control ticks Move animals eld management

3.4.4Farm animal susceptible to mastitis Lactating dairy cattle /cow/female animal (1\ ie

3.5Poisonous plants

3.5.1Phrase describing plants Poisonous /toxic plants (1\

3.5.2Farm animal m ainly fected by poison leaf Cattle (1\

3.5.3TWO other poisonous plants Maize fungus Thorn apple Poisonous bulb (2\

3.5.4Sheep most susceptible for poisonous plants Exotic breeds Young animals /lambs Old animals Pregnant animals (Any 2\ (2\

3.5.5Protein su bstitute for rumin ants Urea (1\ [35]35

Q4— Section header —

4.1eproductive organs of a bull (a\ (1\ (b\ (1\ (c\ (1\

4.1.2TWO congenital defects Sperm defects Cryptorchidism Hypoplasia (Any 2\ (2\

4.1.3TWO functions of the hormone secreted by p art Development of the secondary sex characteristics Normal mating behaviour Functioning of the accessory glands Production of spermatozoa

4.2ynchronisation

4.2.1Identif y process Synchronisation of oestrus (1\

4.2.2ONE hormon e inducing the process Prostaglandin Synthetic progesterone/ rogestin/ estradiol Synch oestrus synchronization/GnRH

4.2.3inancial implication of synchronisation High c osts for labour/hormone treatments High management inputs/costs (2\

4.3arranging the statements in sequential order 1. (1\ (1\ (1\ (1\ (1\

4.4Difficulties giving birth

4.4.1Scientific term Dystocia (1\

4.4.2THREE c onditions that may in terfere with normal parturition Deviation of the head Flexion of the elbow Retention of the fore leg/legs Hydrocephalus Congenital defects /deformities

4.4.3ndigenous lubricant used by breeders in assisting delivery Animal fat/oil/s oap (1\ ie

4.5Line graph

4.5.1ine graph showing th e percentage of fat and lactose Criteria/rubric/marking guidelines Correct heading axis: correct calibrations and labelled (Weeks of the year\ axis:

4.5.2rend shown by the protein content of milk Protein will ncrease from 3,0 to 4,2 With progress ion

4.5.3Constituents of the first milk Immunoglobin ntibodies Minerals/Ca lcium (Ca\ hosphorus (P\ Vitamins

4.6Semen

4.6.1TWO semen dilutants uffers/sodium citrate gg yolk Lipids/ kim milk Nutrients/F ructose Antibiotics/ enicillin/

4.6.2TWO functions of the dilu tants Control the pH Control the isotonic environment Protect sperm atozoa against temperature changes/shocks Provide energy to sperm

Topics Identified

Plant ProductionAnimal ProductionAgricultural Management

Mark Allocation

Total150 marks

Sections35 + 35 + 35 = 105 marks

Key Information

Contact Number0123456510 · 0253035404

Paper information

SubjectAgricultural Sciences

Year2016

SessionMay-June

TypeMemo

PaperPaper 1

LanguageEnglish

Pages10

Downloads8

Examination context

Decade2010s

Years ago10y

Season—

Start day—

Exam period—

Days since exam—

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