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Animal Science Lab Study Guide

by: Callie windham

Animal Science Lab Study Guide 1113

Marketplace > Mississippi State University > 1113 > Animal Science Lab Study Guide
Callie windham

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About this Document

These notes include Beef and dairy cattle, pigs and sheep. It does not include horses! I recommend looking up pictures of all breeds and making a collage as shown on the last page of the notes.
Animal Science
Brian Rude
Study Guide
Animal Science, animals, Schience, Mississippi State University, Animalsciencelab, lab
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This 6 page Study Guide was uploaded by Callie windham on Friday April 29, 2016. The Study Guide belongs to 1113 at Mississippi State University taught by Brian Rude in Summer 2015. Since its upload, it has received 8 views.


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Date Created: 04/29/16
Beef Cattle Breeds - British Breeds— Better Dams Characteristics of dam breeds: Angus • - Polled - Scotland • Hereford - Horned - England • Polled Hereford - Polled - US • Shorthorn - Horned and Polled - England • Red Angus - Polled - Continental Exotic Breeds— Better Sires Characteristics of Sire breeds: • Charolais - Horned and Polled - France • Simmental - Horned - Switzerland • Limousin - Horned and Polled - France • Gelbvieh - Horned and Polled - Austria • Chianina - Horned - Italy Maine-anjou • - Horned - France • Salers - Horned - France • Pinzgauer - Horned - Austria - Brahman & Brahman Crosses Desirable Characteristics: • Brahman - Horned - India • Santa Gertrudis (5/8 Shorthorn and 3/8 Brahman) - Horned & polled - First US developed breed— King Ranch Texas • Brangus (5/8 Angus and 3/8 Brahman) - Polled - US • Beef master (4/10 Brahman, 3/10 Hereford and 3/10 Shorthorn) - Horned mostly - US Beef Cattle— Most popular to least popular 1. Angus 2. Hereford 3. Simmental 4. Red Angus 5. Gelbvieh 6. Charolais 7. Limousin 8. Brangus 9. Beef master 10. Shorthorn 11. Brahman A Heifers Seriously Really Gotta Call Lover Boy But She's Busy Dairy Cattle Breeds - Ayrshire • 15,400 lb. milk • 3.9% Butterfat Acronym to Remember all breeds: Abs get Her Jealous - Brown Swiss • 18,700 lb. milk 4.1% Butterfat - • Guernsey • 15,500 lb milk • 4.5% butterfat - Holstein-Friesian • 23,800 lb Milk • 3.7% butterfat - Jersey • 17,300 lb milk • 4.8% Butter fat Highest Butterfat: Jersey Highest Milk Production: Holstein-Friesian Most popular: 1. Holstein 2. Jersey Sheep Breeds A. Fine Wool Breeds—bred for their wool • Rambouillet • Cream colored • Wool on legs • Have a problem with closed faces • Will breed out of season • Merinos • Debouillet B. Medium Wool Breeds— Bred for their meat • Suffolk Black head and legs— no wool on either • • Largest sized breed in US • Most popular purebred breed in US • Black Fibers on face and legs • Dorset • White • Wool on legs • No black fibers! • Popular in Farm flock states • Hampshire • Open face— Rich brown to black Large • • Some wool on head and legs • Similar to Suffolk • Polypay • Will breed out of season • Southdown • White • Light brown face and legs • Wool extends below eyes • Very compact— great carcass quality • Great for hot-house lamb production— Wean early and feed a “hot” feed Small, short, compact • • Cheviot • Clean, alert, very cute • White, open face, erect ears • No wool on face or legs • Very hardy • Finnsheep • Really only for reproducing and cross-breeding • Can have many offspring. Up to 5 or 6 lambs. Very prolific • Poor carcass • Frail C. Long Wool Breeds— Bred for mutton; largest of all sheep; used for crossbreeding • Lincoln • Leicester • Romney • Cotswold D. Dual purpose breeds— Produce heavy fleece and lambs w/ good carcass quality • Columbia • White • Open Face • Wool on legs • Medium wool • Good carcass • Targhee • Fine Wool • Good market lambs • Corriedale Sheep are seasonally Polyestrus. They cycle when the days get shorter. Some breeds, however, breed out of season (Rambouillet, Dorset, Polypay). Favorite Breeds for Crossbreeding: Suffolk & Hampshire Favorite breeds for farm flocks: Suffolk, Dorset & Hampshire Gestation is about 150 days Wean between 8-10 wks @ 35 lbs Twinning very common FLUSHING: Feeding good feed to get the animal ready to reproduce Sheep are sensitive to Copper Toxicity Clostridial- vaccine to prevent STD’s given at the same time as flushing Swine Breeds Maternal Traits Number born Number Weaned 21-day litter weight Sire Traits Age at market weight (days to 230 lb) ADG Feed efficiency Carcass- Loin Eye area Backfat White pig— Maternal breed Ears— Erect= England “Shire” Popularity: 1. Yorkshire 2. Hampshire 3. Duroc 4. Landrace 5. Spotted 6. Berkshire 7. Chester White 8. Poland China Yorkshire- English breed White with black skin spots (maternal breed) Long bodied Agressive libido ***Most popular purebred breed in the US Duroc- US breed Reddish Drooped ears Sire breed Grow good Good FE Poor mothers Bad libido Soundness issues Hampshire- English breed Black with a white belt (entirely circling body, including both front feet and legs) Mostly used as sire breed, but are good mothers Great carcass quality Spotted- US breed Black and white spotted with either the black or white dominating drooped ears Sire breed Good growth and FE Not good mothers Not good carcass char. Berkshire- English Breed Erect ears Sire breed Oldest breed Black with six white points (feet, nose, tail) Landrace- Denmark White- absolutely no black LONG, large, drooped ears (some reach their noses) Flat backed Maternal breeds Chester White- US Maternal breed Completely white Droopy ears— Shorter ears than landrace Poland China-US Black with white markings ONLY on face, legs and tail. similar to a berkshire except for the ears droopy ears **Oldest US developed breed Sire breed Maternal Breeds Sire Breeds Yorkshire Duroc Poland China Landrace Hampshire Berkshire Chester White Spotted


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