Poultry Management: Introduction and Lifecycle

Which site in the hen’s reproductive tract is the primary location where a newly released yolk is fertilized?

• Infundibulum of the oviduct

• Magnum of the oviduct

• Isthmus of the oviduct

• Uterus of the oviduct

A breeder farm aims to maximize fertile eggs using fewer males. Which approach best fits this goal while aligning with common industry practice for turkeys and some broiler breeders?

• Artificial insemination program

• Higher rooster-to-hen ratio

• Extended natural mating rests

• Reduced egg collection frequency

The total time from ovulation to laying is about 24–26 hours. If a hen ovulates at 8:00 a.m. on Monday, when is the most likely laying time for that egg, assuming typical conditions?

• Around 9:00 a.m. Tuesday

• Around 8:00 p.m. Monday

• Around 2:00 p.m. Tuesday

• Around 6:00 a.m. Wednesday

Which combination correctly matches the egg component with its primary function in protecting or supporting the embryo?

• Membranes—barrier against bacteria

• Albumen—site of genetic material

• Air cell—source of shell minerals

• Shell—internal water reservoir

Which condition in a hatchery holding room best maintains embryo dormancy and prevents moisture loss before setting?

• 18–20°C with 75–80% humidity

• 22–24°C with 50–55% humidity

• 15–16°C with 60–65% humidity

• 18–20°C with 35–40% humidity

Modern hatcheries manage millions of eggs weekly. Which practice most directly supports this scale by reducing contamination risk while maintaining uniform chick output?

• High-tech biosecure operations

• Manual small-batch sorting

• Extended storage beyond two weeks

• Incubating all sizes and shapes

Why are eggs automatically turned every 1–2 hours in the setter?

• To raise yolk temperature by friction

• To prevent embryo adhesion and support membranes

• To increase shell porosity for better gas exchange

• To synchronize pipping timing across all eggs

Which egg characteristic most directly supports high hatchability while minimizing contamination risk?

• Clean, intact shell with normal shape

• Large, thin shell with double yolk

• Rough, dirty shell with minor cracks

• Small, misshapen shell with stains

Which parameter primarily prevents the embryo from overheating during incubation by enabling heat and carbon dioxide to escape?

• Steady egg turning schedule

• Balanced air ventilation

• Higher chamber humidity

• Slightly reduced temperature

You notice chicks are dehydrated at hatch despite correct temperature. Which adjustment best addresses moisture loss during incubation without compromising development?

• Increase humidity to slow water evaporation

• Reduce ventilation to trap humid air

• Stop egg turning earlier than usual

• Lower temperature below recommended