Lactation Biology and Efficiency Methods Quiz

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Questions and Answers

What has a dramatic effect on increasing milk production and mammary growth in dairy cattle?

  • Increased water intake
  • Recombinant derived bovine growth hormone (bSTH) (correct)
  • Regular exercise routine
  • High protein diet

Where is the udder located in the cow's body?

  • In the inguinal region (correct)
  • In the abdominal region
  • In the thoracic region
  • In the pelvic region

What are alveolar epithelial cells grouped into?

  • Lobes
  • Ducts
  • Lobules (correct)
  • Capsules

What are lobules surrounded by?

<p>Connective tissue capsules (stroma) (D)</p> Signup and view all the answers

What are groups of lobules drained by?

<p>Ducts (B)</p> Signup and view all the answers

What is the primary purpose of developing the Australian Friesian Sahiwal breed?

<p>To thrive in tropical climates and produce desirable milk yield (B)</p> Signup and view all the answers

What is the approximate milk production per lactation for Australian Friesian Sahiwal cows under tropical pasture conditions?

<p>3,000 litres (C)</p> Signup and view all the answers

What makes the Australian Friesian Sahiwal breed suitable for tropical regions?

<p>High resistance to heat, humidity, and parasites (C)</p> Signup and view all the answers

What was the outcome of the crossbreeding program involving Holstein-Friesian and Sahiwal breeds?

<p>A successful breed with desirable milk production and resistance to environmental challenges (C)</p> Signup and view all the answers

Why were the Australian Friesian Sahiwal cows exported to various countries?

<p>Due to their superior milk production and suitability for tropical climates (A)</p> Signup and view all the answers

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