Pregnancy Toxemia in Cows
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Questions and Answers

What is the main cause of pregnancy toxemia in cows?

  • Lack of physical exercise
  • Excessive weight gain in late gestation
  • Overconsumption of nutrients
  • Disruption in maternal glucose homeostasis (correct)

Which clinical sign is commonly associated with pregnancy toxemia in cows?

  • Increased appetite
  • Physical hyperactivity
  • Rapid weight gain
  • Anorexia and depression (correct)

Why is pregnancy toxemia more common in beef cattle than in dairy cattle?

  • Poor availability of feed in the last trimester (correct)
  • Lack of exercise in beef cattle
  • Differences in gestation periods
  • Genetic predisposition in dairy cattle

How can pregnancy toxemia in cows be prevented?

<p>Monitoring body condition and diet in late gestation (B)</p> Signup and view all the answers

What do increased blood BHB and NEFA concentrations reflect in cattle?

<p>Negative energy balance and ketogenesis (D)</p> Signup and view all the answers

Which factor affects NEFA concentrations in cattle according to the text?

<p>Available adipose tissue for mobilization (B)</p> Signup and view all the answers

What is recommended for the management of anorectic cattle affected by pregnancy toxemia?

<p>Propylene glycol or dextrose administration (C)</p> Signup and view all the answers

What treatment is suggested to suppress ketogenesis in cattle with pregnancy toxemia?

<p>Insulin administration (C)</p> Signup and view all the answers

Why should cattle with dehydration, organ dysfunction, or metabolic acidosis be treated with large volumes of electrolyte fluids?

<p>To correct the imbalance caused by the conditions (C)</p> Signup and view all the answers

What is a suggested way to prevent pregnancy toxemia at the herd level?

<p>Providing adequate nutrition and health care for late gestation cows (B)</p> Signup and view all the answers

What is the recommended body condition score for dairy cattle entering the final trimester of pregnancy?

<p>&gt;5 (1-9 scale) (D)</p> Signup and view all the answers

Why should rumen degradable protein be sufficient in cattle nutrition according to NASEM recommendations?

<p>To ensure microbial fiber digestibility (C)</p> Signup and view all the answers

What is recommended for individual cows during late gestation according to the text?

<p>Careful monitoring of energy intake, attitude, and fat mobilization (D)</p> Signup and view all the answers

Which substance is used to facilitate ruminal propionate generation in cattle according to the text?

<p>Monensin sodium (A)</p> Signup and view all the answers

What is the recommended daily monensin consumption for pregnant dairy cows according to the text?

<p>180 mg (C)</p> Signup and view all the answers

Why should energy intake, attitude, and fat mobilization be carefully monitored in individual cows during late gestation?

<p>To avoid complications due to the precarious state of energy and carbohydrate balance (D)</p> Signup and view all the answers

What is a common factor that can precipitate pregnancy toxemia in cows?

<p>Large or multiple fetuses (A)</p> Signup and view all the answers

Which nutrient accounts for approximately 50%–60% of fetal-placental energy substrates?

<p>Glucose (C)</p> Signup and view all the answers

What is a common clinical sign of illness in cows affected by pregnancy toxemia?

<p>Decreased rumination (C)</p> Signup and view all the answers

In late gestation, why does the dam mobilize amino acids from body stores?

<p>To support her own metabolism (B)</p> Signup and view all the answers

What may indicate more severe and prolonged energy deficiency in cows affected by pregnancy toxemia?

<p>Serous atrophy of perirenal and pericardial fat depots (B)</p> Signup and view all the answers

Which is a possible consequence of excessive mobilization of adipose tissue in cows with pregnancy toxemia?

<p>Excess ketone body production (C)</p> Signup and view all the answers

What is one way in which cold, snowy weather may contribute to the development of pregnancy toxemia?

<p>By increasing the animal's energy requirement (C)</p> Signup and view all the answers

Which nutrient is actively transported across the placenta in cows?

<p>Amino acids (D)</p> Signup and view all the answers

What is a common postmortem lesion found in cows affected by pregnancy toxemia?

<p>Serous atrophy of omental fat (D)</p> Signup and view all the answers

What role do amino acids play when the dam is undernourished and hypoglycemic?

<p>Supply maternal tissues with nutrients (D)</p> Signup and view all the answers

What may be a specific finding in clinical chemistry tests for pregnant cows with pregnancy toxemia?

<p>Ketonuria (A)</p> Signup and view all the answers

Why do well-conditioned cows also risk being affected by pregnancy toxemia?

<p>Regardless of body condition, cows may develop the condition (D)</p> Signup and view all the answers

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