ADSC2010Week4Notes.pdf ADSC 2010
Popular in Intro to Animal and Dairy Science
Popular in Agricultural & Resource Econ
This 7 page Class Notes was uploaded by Neena Molavi on Friday January 30, 2015. The Class Notes belongs to ADSC 2010 at University of Georgia taught by Dean Pringle in Spring2015. Since its upload, it has received 179 views. For similar materials see Intro to Animal and Dairy Science in Agricultural & Resource Econ at University of Georgia.
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Date Created: 01/30/15
ADSC 2010 Week 4 Notes MONDAY JANUARY 26 2015 Breeds of Farm Animals Dairy Cattle Holstein 80 of dairy cattle 0 Origin Holland 0 Black and white 0 Large mature size 0 22001500 lbs 0 Needs to eat a lot 40 lbs of dry matter a day 0 Known for milk production good for farmers because they are paid based on pounds of milk 0 High Yield 20300 lbs 0 Low milk fat 37 good for fluid milk 0 Very common in California Jersey 15 of dairy cattle Origin Jersey Island between England or France 0 Very common in Wisconsin because they are good for milk products rather than fluid milk 0 Fawn color 0 Small to moderate mature size 0 15001000 lbs 0 Milk production Moderate yield 14300 lbs High milk fat 47 Brown Swiss 0 Origin Switzerland 0 Milk production similar to Jersey 0 Milk fat higher than Holstein lower than Jersey around 4 0 Approximately 14000 lbs 0 Strong feet and legs Guernsey Origin Island of Guernsey near Island of Jersey 0 Around 4 milk fat 0 Approximately 14000 lbs 0 Strong feet and legs Ayrshire Origin Scotland 0 Around 4 milk fat 0 Approximately 14000 lbs 0 Strong feet and legs Milking Shorthorn 0 Origin England 0 Remember shorthorns were bred as both beef and dairy cows 0 Around 4 milk fat 0 Approximately 14000 lbs 0 Strong feet and legs 0 Can be roan Max production is usually around 7 years old Breeds of Farm Animals Swine Maternal Breeds largest number of pigs born alive 1014 largest number of pigs weaned largest litter weight gestation 3 months 3 weeks and 3 days and able to have another litter soon after structurally sound and good rate of gain Yorkshire 1 0 About 30 of purebred pigs in the US 0 Origin England 0 Erect ears 0 Landrace 4 0 Origin Denmark 0 4 most common 0 Chester White 0 Cross between Yorkshire and Landrace Meishan 0 Origin China 0 Average 1618 babies in a litter But not enough teats to nurse them 0 Poor growth 0 Fatty carcasses Paternal Breeds strengths are growth feed efficiency rate of gain for the amount of food leanness muscling and structural soundness Hampshire 3 0 Origin Kentucky 0 Heavily muscled 0 White belt 0 About 20 of purebred pigs 0 Duroc 2 0 Origin New York and New Jersey 0 One of the largest breeds o Droopy ears only droopy eared paternal breed 0 45 of purebred pigs Pietran 0 Lots of muscle Causes a lot of issues Susceptible to PSE pale soft and exudative Spotted 0 Not very common Berkshire 0 Origin England 0 Black with white points 0 High marbling like Angus 0 Sent overseas because we don t like fatty pork China and Thailand like fatty pork WEDNESDAY JANUARY 28 2015 Breeds of Farm Animals Sheep Two products Wool and Meat Sheep are seasonal breeders breed at a certain time to have babies at a certain time 0 Want to lamb in the spring more food so they breed in the fall gestational period is 5 months Ewe Breeds Medium to Fine Wool clothing 0 Merino Origin France Fine wool Rambouillet Origin France Fine wool 4 in the US Western Range Flock females that are a cross of Merino and Rambouillet for wool and meat but more focused on wool Romney Origin England Medium wool rugs heavy fabrics etc Ram Breeds Meat Type Suffolk Origin England 1 in the US white body w black points head and feet polled taller and more tubular than Hampshire 0 Dorset Origin England 2 in the US all white horned and polled versions 0 Hampshire Origin England 3 in the US white body w black points wool cap on poll and some wool on legs smaller and wider than Suffolk Texel Origin Isle of Texel off the coast of the Netherlands known for muscling not significant in numbers 0 Farm Flocks east of the Mississippi smaller in number 23 40 ewes primary function is meat Horse Breeds Riding and Harness American Quarter Horse 0 Origin US known for performance in quarter mile racing sprinter o Rodeo horses 0 Used for working cattlelivestock 0 Used in show rings 0 Moderate size measured in hands 1 hand is 4 inches measured at the point of the withers American Saddle Horse Arabian hot blood 0 Oldest breed of horse 0 Origin Egypt developed in Arabian Peninsula Trace back to Bedouin tribes of Arabia 0 Moderate in size refined body type 0 Selected for endurance o Often in show ring these days 0 Morgan 0 Standardbred 0 Racing Breed o Named for its performance in the Harness Race Do a mile in 2 min 20 sec or less with cart amp jockey 0 Foundation sire Hambletonian 10 Traces back to Darley Arabian 0 Tennessee Walking Horse Thoroughbred 0 Origin England but trace back to Arabian Breed 3 primary sires n Darley Arabian n Godolphin Arabian n Byery Turk 0 Racing breed endurance 125 miles 0 Larger in size but less heavily muscled hindquarters than American Quarter Horse Ponies She and Welsh Pony of America Color Registries Appaloosa Buckskin Paint Palomino Pinto Draft cold bloods Belgian Clydesdale Percheron Eventers Warmbloods hot cold FRIDAY JANUARY 30 2015 Warmbloods Hanova an 0 Origin Kingdom of Hanover in north Germany 0 Known for stamina temperament and reliability 0 Used in eventing jumping eventing dressage 0 Larger in size fairly showy Trekehner 0 Origin Trekehnan Farm in Prussia o Cavalry horses of 18005 in Europe 0 Talllarge Not as heavily made as draft horses 0 Used in dressage because of their elegant movement Color Registries 0 Can have multiple registrations 0 Can be a registered riding and harness breed and also registered in one of the color registries Appaloosa o 3 colors Blanket white blanket across the rump Leopard spotted all over Roan o Developed by Nez Perce Indians Spanish origin 0 Can be registered as a quarter horse if they meet the criteria 0 Used as stock horse for pleasure and for showing Palomino o Supposedly the color of a US 14 karat gold coin the golden horsequot 0 Can be registered as quarter horse 0 Used as stock horse for pleasure and for showing 0 Paint 0 Spanish origin 0 Can be registered as quarter horses if their parents were registered as quarter horses 0 Mixture of white and brown 0 More strongly built than pinto Pinto o Mixture of white and brown Draft Breeds O Bred and selected for work pulling wagonsplows Able to generate a tremendous amount of power 0 Very large with giant hooves 1617 hands is common remember a hand is 4 inches 0 16 x 4 64 inches 0 Heavily built 0 18002000 lbs is common typical horses are around 10501150 lbs 0 Can be feathered Clydesdale or not Ponies 0 Welsh 0 Wales 0 Larger end of ponies intermediate size horse 1113 hands 0 She and o Shetland islands 0 Smallest 910 hands 0 Bred for gentleness and docility but a lot of people would disagree 0 Pony of America 0 Larger end 12 122 hands 0 Leopard appaloosa color pattern Meats Composition of Lean Meats Water 70 same at human muscle 0 Protein 20 0 Fat 8 but most variable 0 Ash minerals 1 0 iron CHO39S lt1 o Vitamins lt1 0 Excellent source of B vitamins 0 Poor source of vitamins A D E Kfat soluble and C 0 As animal fattens o The fat percentage goes up 0 The water percentage goes down predominantly Fat has very little water in it o The protein percentage goes down slightly Three types of muscle 0 Skeletal muscle muscle attached to skeleton voluntary muscle O 0 Most common Generates power and causes movement 0 Cardiac muscle heart involuntary O In the US we send most of it overseas Nothing wrong with it we just don t eat it 0 Smooth muscle GI and repro tract circulatory system involuntary Skeletal and cardiac muscle are striated 0 Has to do with the organization of the muscle and how it contracts Three types of proteins 0 Sarcoplasmic proteins water soluble O Myoglobin hemoglobin cytochromes enzymes associated with energy pathways Myoglobin is the major meat pigment and exists in three forms in fresh meats Deoxymyoglobin Oxymyoglobin Metmyoglobin Myoglobin itself have two main parts Heme ring Globin Two factors determine coor Chemical state of Iron Fe2 reduced vs Fe3 oxidized
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