TAMU ANSC 318 - Dairy Cattle Nutrition and Feeding III/Swine Nutrition and Feeding I (6 pages)

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Dairy Cattle Nutrition and Feeding III/Swine Nutrition and Feeding I



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Dairy Cattle Nutrition and Feeding III/Swine Nutrition and Feeding I

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Disorders with Lactating Dairy Cattle and Introduction to Swine Nutrition and Feeding


Lecture number:
22
Pages:
6
Type:
Lecture Note
School:
Texas A&M University
Course:
Ansc 318 - Feeds & Feeding
Edition:
1

Unformatted text preview:

ANSC 318 1st Edition Lecture 22 Outline of Last Lecture I Dairy Nutrition Feeding Systems and Body Condition Scores Outline of Current Lecture II Nutritional Recommendations a Phase IV Dry Period b Phase V Transition Period c Nutritional Management III Metabolic Disorders Relating to Nutrition in Dairy Cattle a Milk Fever i Pre calving diet ii Prevention b Ketosis c Displaced Abomasum IV Swine Nutrition and Feeding a Pork Production Current Lecture Dairy Cattle Nutrition and Feeding Nutritional Recommendations Phase IV Dry Period Goals to Achieve optimize fetal growth prepare cow for next lactation regenerate mammary gland minimize length of dry period about 60 days feed cows to achieve target BCS at calving 3 5 Feeding Recommendations separate dry cows from lactating cows feed higher roughage lower energy based diets energy requirement lowers during this period avoid high grain diets to prevent abomasal displacement twisting of the abomasum or omasum that blocks digestive tracts avoid feeding excess Ca levels to prevent milk fever These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Nutritional Recommendations Phase I Early Phase II Mid Phase III Late Phase IV Dry Milk Production 74 60 30 0 lb day NEl Mcal lb DM 0 78 0 75 0 69 0 57 Crude Protein 18 16 15 12 UIP 6 3 5 8 5 4 DIP 10 4 10 0 8 8 ADF 19 20 21 27 Calcium 0 68 0 62 0 53 0 39 Phosphorous 0 42 0 40 0 34 0 24 Vitamin A IU lb 1 450 1 450 1 450 1 800 Vitamin D IU lb 450 450 450 540 Vitamin E IU lb 7 7 7 7 Phase V Transition Period part of the dry period Goals to Achieve acclimate rumen microbes to diet that will be fed during early lactation high grain proper acclimation will allow cows to be switched over with minimal digestive upsets prevents acidosis Feeding Recommendations feed 0 5 1 0 of BW as grain to prevent acidosis continue to limit intake of Ca to prevent milk fever ionic salts feed negative cation



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