Cattle Nutrition Extension Veterinary Medicine Texas Agri Life

Cattle Nutrition Extension Veterinary Medicine Texas Agri. Life Extension Service College of Veterinary Medicine and Biomedical Science Texas A&M System http: //extensionvetmed. tamu. edu

Hay/Grass n Normal Diet n Protein and Energy n Normal Digestion - Bulk, Long Fiber n Microbes - Rumen n Motility - Rumen n Chewing - Saliva, Satisfaction n Chewing Cud n Appetite

Protein Supplements n Increase Roughage Intake n Nitrogen Increases Microbes

April - August (5 Mos) – Summer Pastures September - March (7 mos) – Winter Pastures, Hay, Supplements

“I feed my cattle all the hay they want - all they can eat. ” n Chase Truck n Catch Cubes in Air

n Plenty/Good Hay n Protein/Energy Provided n Plenty/Poor Hay n Protein Def. n Protein Suppl. (Increases appetite for hay) n Not eating enough poor hay - leads to energy def.

n Short/Good Hay n Energy Def. n Energy Suppl. n Short/Poor Hay n Protein/Energy Def. n Protein/Energy Suppl.

n Feeding Hay/Supplements n Hay/Protein Suppl. (CS Meal, 40% Cubes, Syrup, Blocks, Broiler Litter) n Hay/Energy Suppl. (Grain) n Hay/Protein/Energy Suppl. (Whole CS, Range Meal, 20% Cubes, Broiler Litter + Grain)

n Too late in feeding supplements n Lose wt. , lose cud n Thin, bottle jaw n Weak, abortion, downer n Black stacked manure, profuse diarrhea

n Won’t eat hay - Protein def. n Won’t eat protein suppl. n Will eat grain n Need amino acids oral/IV

n Won’t eat grain - Energy def. n Will eat hay, protein suppl. n Need glucose IV