ADSC 2010 Lecture 6 Outline of Last Lecture I Limousin II Simmental III Charolaise IV Gelbvieh V Bos Indicus Cattle A Brahmen B Beef Master C Brangus VI Other minor breeds of beef cattle A Chianina B Tarentaise C Senepol D Santa Gertrudis E Bradford VII Breeds of Dairy Cattle A Holstein Outline of Current Lecture I Finishing Dairy Breeds A Jersey B Others a Crossbreeding II Swine Breeds A Maternal Breeds a Yorkshire b Landrace c Chester White d Meishan B Paternal Breeds a Duroc b Hampshire c Pietran d Spotted e Berkshire III Breeds of Farm Animals A Sheep a Ewe Breeds 1 Merino 2 Rambouillet 3 Romney b Ram Breeds 1 Suffolk 2 Dorset 3 Hampshire Current Lecture I Finishing Dairy Breeds A Jersey Originated on Jersey Island Fawn color Small to Moderate size 1500 1000 Strengths MILK PRODUCTION High milk fat 4 7 Value in amount of fat MODERATE YIELD Used for processed dairy products B Others 5 1 Brown Swiss Switzerland 2 Guernsey 3 Ayrshire Scotland 4 Milking Shorthorn England average milk production a Crossbreeding giving up some milk but reproductively sound II Swine Breeds A Maternal Breeds white breeds a Yorkshire Known as the large white or the mother breed 1 in US Originated in England LARGE ERECT EARS 10 15 Pigs per litter b Landrace 4 in US Originated in Denmark Ears flop down c Chester White Originated in US d Meishan Originated in china Smaller fatter Prolificacy 18 22 pigs per litter TRAITS WE WANT TO SEE Large litter size Mothering ability of pigs per litter Weaning weight of litters per year Needs to be structurally sound B Paternal Breeds colored breeds a Duroc 2 in US Originated in Spain Red with BIG FLOPPY EARS Known for growth and leanness b Hampshire 3 in US Originated in Kentucky BLACK WITH WHITE BELT OVER BOTH FRONT LEGS Erect ears Muscle and Leanness c Pietran Known for MUSCLE Originated in Belgium Erect ears White with black spots SUSCEPTIBLE TO STRESS POOR QUALITY d Spotted Originated in Indiana e Berkshire NO REAL VALUE FOR REG US CITIZENS ONLY RICH US AND ALL OF JAPAN Black with white points Originated in England Good Export from North US to Japan Known as the angus of swine because of meat quality marbling TRAITS WE LOOK FOR Meat quantity Fat Muscling Growth rate Feed efficiency C Genetic companies select PIC C 22 gilt and PIC 280 Boars which are used in slaughtering known as terminal breeds All pigs are going to be made crossbreeds except for Berkshire The Swine Industry has tried SUPER hard to target consumer demands not so good for pigs III Breeds of Farm Animals A Sheep a Ewe Breeds medium fine wool 1 Merino Originated in France 2 Rambouillet Originated in France 4 in US 3 Romney medium quality more textile oriented Female merino rambouillet mix bred to meat breeds b Ram Breeds meat breeds 1 Suffolk large tall 2 Dorset all white originated in England 3 Hampshire Most girth Wool cap and leggings Suffolk 1 in US Dorset 2 in US Hampshire 3 in US 4 Texel Originated on the coast of the Netherlands Known for muscle growth Hair Sheep No wool
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