Feeding and nutrition of Breeding ducks (duckling breeders and laying ducks) Flashcards

1
Q

Duckling breeders: length and process of the rearing period

A

Fore-rearing: start in june and lasts for 18 days

Post rearing: from 18 days until 25 wks (at which point the bird should be 4kg). In this period at 7 wks and wight of 3-3.2kg selection takes place.

At 25 wks and 4kg: housing

At 28 wks: at the end of Jan and the bird has reached sexual maturity.

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2
Q

Rearing period: different diets for the different time periods

A

0-7 wks: Treated as roasting ducks- same for the grower, starter and finisher, total of 49 days

8-25 wks:

  1. Rearer diet: pellets
  2. Decr the nutrient density
  3. 150-180g a day
  4. target weight gain: 600-800g

Wk 26

  1. Pellets ad lib (layer diet needs to be high in protein)
  2. Access to natural light
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3
Q

Layers

A

At 28 wks they lay for 7 mnths- which takes them into Aug/Sept

130-150 eggs produces

Weigh: 75-80g

At end of the laying period:

  1. Slaughter after fattening
  2. 2nd laying period but there will be a 10% decr in egg prod
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4
Q

Nutrient content of rearer vs layer

A

CP %: 14.5 vs 17

ME (MJ/kg): 11 vs 12

Ca: 8 vs 29

* they are all more in the layer

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