ADSC 2010 Week 3 Notes
ADSC 2010 Week 3 Notes ADSC 2010
Popular in Intro to Animal and Dairy Science
Popular in Agricultural & Resource Econ
This 6 page Class Notes was uploaded by Neena Molavi on Sunday January 25, 2015. The Class Notes belongs to ADSC 2010 at University of Georgia taught by Dean Pringle in Spring2015. Since its upload, it has received 127 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: 01/25/15
ADSC 2010 Week 3 NO CLASS MONDAY JANUARY 19th WEDNESDAY JANUARY 21 2015 Broiler industry Relatively young 19505 Vertically integrated o A company will have the hens the hatchery provide feed to the contracted growers and so on o A company that is involved from the beginning to the end of the process 0 This has helped the industry to grow 0 Other reasons for advancement very short generation period 2012 Horse Inventory US 92 million and increasing due to their use for pleasure 0 Still lower than the early 19005 Texas California Florida Oklahoma 5 Kentucky 0 Common thread all 5 states have racing industries Florida and California have the top LwNI t Breeds of Farm Animals Beef Cattle Bos taurus 0 British focus on quality moderate size Angus a Most populous cattle breed in the US and growing Origin Scotland Black 1 and Red 6 Polled no horns Moderate mature size Strengths Maternal traits Fertility and calving ease 0 Meat quality marbling intramuscular fat I Weaknesses 0 Moderate size and growth El El El El El 0 Low heat tolerance 0 Poor carcass cutability produce fatter carcasses that require more knife work Hereford a Second most popular a Origin England a Red body with white face a Available as horned and polled If it has a square poll it has been dehorned meaning it once had horns n Moderate mature size n Strengths Hardy range and cold 0 Productivity in range conditions 0 Good temperament n Weaknesses Low milk production 0 Moderate mature size and growth 0 Susceptible to eye cancers 0 Skin around the eye rather than hair 0 Not great marbling Shorthorn n Origin England a Red white and roan n Available as horned and polled n Moderate to large size n Strengths Milk production 0 Mothering ability 0 Good temperament Carcass quality fat inside muscle a Weaknesses Lack of muscling 0 Poor heat tolerance Carcass cutability ExoticContinental focus on quantity larger and more muscle Simmental Charolais Limousin Gelbvieh Maine Anjou Bos indicus o Zebu Brahman Nellore Gir InduBrazil 0 American Breeds prominent hump heat tolerance and disease resistance all 38 Brahman except Beefmaster Beefmaster 14 Hereford 14 Shorthorn 12 Brahman Brangus 38 Brahman 58 Angus Braford Simbrah 0 Composite Breeds all 12 Angus known for quality SimAngus Limflex Balancer 12 Gelbvieh 0 South Poll 14 Senepul 14 Red Angus 14 Hereford 14 Barzona FRIDAY JANUARY 23 2015 Quiz Monday 0 For truefalse only true if both statements are correct don t gett cked Know who is 1 for both animals and product on a global and national basis AND where the US or Georgia ranks Anything unique about populations corn belt There is an inverse relationship between carcass quality and carcass cutability 0 Quality is based on intramuscular fat marbling o More fat higher quality Negative effect on cutability Limousin 5 in the US Origin France 0 Black originally reddishyellow 0 We associate black hyde with quality meat because of Angus Available as both horned and polled Strengths 0 Superior muscling 0 Moderate to rapid growth 0 Carcass cutability Weaknesses o Fertility 0 Milk production 0 Carcass quality Simmental 3 in the US Origin Switzerland Black red white face similar to Hereford more muscle than Hereford Available as both horned and polled Large mature size Originally tripurpose meat milk amp work like shorthorn Strengths 0 Milk production 0 Rapid growth 0 Carcass cutability Weaknesses 0 Mature size require more energy input can cause calving difficulties 0 Can cause dystocia o Carcass quality Charolais 4 in the US Origin France Solid white to cream Available as both horned and polled Large mature size Strengths o Muscling 0 Rapid growth 0 Carcass cutabilty Weaknesses o Cow maintenance cost 0 Dystocia 0 Milk production Gelbvieh 8 in the US Origin Austria amp Germany Black golden Available as both horned and polled Moderate mature size Strengths o Fertilityearly sexual maturity 0 Milk production 0 Rapid growth 0 Carcass cutability Weaknesses o Dystocia o Marbling Brahman Bos indicus 11 in the US decreasing popularity Origin India Gray to white when crossed with Angus Smoky Predominantly horned remember that a more square head indicates that the animal had horns Moderate mature size Big floppy ears and loose skin for heat dissipation Large hump Strengths 0 Heat insect and disease tolerant o Mothering ability extremely protective o Longevity 0 Rapid growth in crossbreeds Weaknesses 0 Lack of muscling o Fertilitylate sexual maturity 0 Poor cold tolerance o Carcass quality and tenderness Beefmaster 7 in the US Origin US Multicolored 12 Brahman 14 Hereford 14 Shorthorn Predominantly horned Moderate mature size Strengths 0 Heat tolerance o Mothering ability 0 Performance on forage Weaknesses 0 Lack of muscling o Variability in performance 0 Carcass cutability o Carcass quality and tenderness Brangus 9 in the US Origin US Black predominantly and red 58 Angus 38 Brahman Polled which tells us that being polled is a dominant gene Moderate mature size Strengths 0 Heat tolerance o Mothering ability 0 Carcass quality overcoming Brahman issues Weaknesses o Muscling o Temperament Angus can be stubborn and Brahman are protective o Carcass cutabilty Minor Breeds Chianina Italian breed taest not heaviest Santa Gertrudis 38 Brahman 58 Shorthorn Braford American breed Southwest Florida origin 38 Brahman 58 Hereford Tarentaise French breed Senepol only heat tolerant breed that is Bos taurus all the others are Bos indicus or Bos indicus influenced
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