Hunger Pains of the Dairy Cattle Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Principles of Agricultural Science – Animal Hunger Pains of the Dairy Cattle Presented by: Adam Miller, Julie Carrell, Travis Olinske Curriculum for Agricultural Science Education Copyright 2015

Nutrient Requirements Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Nutrient Requirements Crude Protein (15.2%) TDN (73.5%) Calcium (.61%) Phosphorus (.35%) Magnesium (.19%) Vitamin A (75,000 IU) Vitamin D (21,000 IU) Vitamin E (545 IU) Curriculum for Agricultural Science Education Copyright 2015

Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Curriculum for Agricultural Science Education Copyright 2015

Common Feeds Forages Legumes and grasses Corn Silage Sorghum Silage Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Common Feeds Forages Legumes and grasses Corn Silage Sorghum Silage Small Grains Straws Pasture Green Chop Concentrates Barley Beet Pulp Cottonseed Corn Fat Molasses Protein Bloodmeal Brewers’ Grains Canola Meal Cottonseed Meal Distiller’s Dried Grains Soybean Meal Urea Curriculum for Agricultural Science Education Copyright 2015

Common Disorders Displaced Abomasum Bloat Milk Fever Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Common Disorders Displaced Abomasum Bloat Milk Fever Curriculum for Agricultural Science Education Copyright 2015

Bloat Description Symptoms Build up of gas in the rumen Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Bloat Description Build up of gas in the rumen Symptoms Distended left abdomen Pain, discomfort, and bellowing Death can occur within 15 minutes Curriculum for Agricultural Science Education Copyright 2015

Bloat Causes Effects on Production Death can reduce the herd Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Bloat Causes Occurs when eructation of gas is prevented Stable foam develops on top of liquid in rumen, which is caused by legumes such as clover and alfalfa Effects on Production Death can reduce the herd Decrease milk production and quality Curriculum for Agricultural Science Education Copyright 2015

Bloat Prevention Measures Avoid using high risk pastures Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Bloat Prevention Measures Avoid using high risk pastures High clover pastures should not be used Do not allow cattle to graze pastures when wet Administer anti-foaming agent daily (baking soda works) Curriculum for Agricultural Science Education Copyright 2015

Milk Fever (Hypocalcaemia) Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Milk Fever (Hypocalcaemia) Disorder that occurs close to calving, metabolic disease caused by low blood calcium levels Symptoms Dry muzzle Starring eyes Cold legs Cold ears Constipation Drowsiness Weak and faster heart beat Body temperature falls below normal Curriculum for Agricultural Science Education Copyright 2015

Milk Fever (Hypocalcaemia) Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Milk Fever (Hypocalcaemia) Causes About 80% of cases occur near calving as colostrum drains the calcium from the blood Age is important, older cows are more susceptible Effects on Production Decreases milk production Curriculum for Agricultural Science Education Copyright 2015

Milk Fever (Hypocalcaemia) Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Milk Fever (Hypocalcaemia) Prevention Measures Management of the diet Cows should be kept on low calcium diet while dry Jersey cattle are more susceptible Calcium Borogluconate injections Curriculum for Agricultural Science Education Copyright 2015

Displaced Abomasum Description Symptoms Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Displaced Abomasum Description Uterus displaces abomasum during pregnancy Symptoms Loss of appetite Drop in milk yield Reduced rumination Mild diarrhea Curriculum for Agricultural Science Education Copyright 2015

Disorder Three Causes Effects on Production Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Disorder Three Causes During pregnancy the uterus displaces the abomasum Effects on Production Decreases milk production Curriculum for Agricultural Science Education Copyright 2015

Disorder Three Prevention Measures Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders Disorder Three Prevention Measures Ensure cattle are not too fat at calving Feed high quality feeds with good forage Feeding a total mixed ration Ensure plenty of space Curriculum for Agricultural Science Education Copyright 2015

Hunger Pains Principles of Agricultural Science – Animal Unit 5 – Lesson 5.4 Nutritional Disorders References http://www.ag.auburn.edu/~chibale/an15dairycattlefeeding.pdf http://www.merckvetmanual.com/mvm/management_and_nutrition/nutrition_dairy_cattle/nutritional_requirements_of_dairy_cattle.html http://agriculture.vic.gov.au/agriculture/pests-diseases-and-weeds/animal-diseases/beef-and-dairy-cows/milk-fever-hypocalcaemia-in-cows http://www.thecattlesite.com/diseaseinfo/211/displaced-abomasum-in-cattle/ http://www.merckvetmanual.com/mvm/management_and_nutrition/nutrition_dairy_cattle/nutrition_and_disease_in_dairy_cattle.html Curriculum for Agricultural Science Education Copyright 2015