Introduction to Animal Sciences 🐴

What % of the raw material used by the fishmeal and fish oil industry originates from by-products of the fish processing industry?

25%

How many days does the oestrous last?

1-3 days

How many practicing veterinarians are there in the Netherlands?

4.400

How many horses are slaughtered per year?

11.000

How much is the world production of milk?

702 million tons

How many pigs are farmed worldwide?

970 million

How many eggs does a layer hen lay per year?

300

How many litres of milk are produced per year?

9000

How did veal calf farming arise?

milk powder & whey, no room for calves on dairy farm due to specialization

How many dairy cattle farms are there in the Netherlands?

17.500

What % of caught forage fish has a potential market for human consumption?

10%

Is consumption per capita dependent or independent on population size?

Independent

What does the Brundtland provide?

definition of environmental sustainability, sustainable development

How many species are being fished worldwide?

1500

How many animals are housed on a sow farm and grower finisher in the Netherlands?

400 sows 1000 grower finisher

How many pigs are farmed in the Netherlands?

12 million

What % of the piglets produced in the Netherlands ends up abroad?

70%

How many piglets are produced in the Netherlands?

24.6 million

How long are piglets suckled for?

21-29 days

What are the estimates of the number of horses in the Netherlands and the turnover in the horse sector?

550.000 horses 1.5 billion turnover

How many eggs are produced in the Netherlands yearly?

10.6 billion

How many dogs are born each year in the Netherlands?

140.000

How many cats are born each year in the Netherlands?

255.000

How much are the Wageningen taxes per year per dog?

86

How many species consist of the order Carnivora?

270

How much % of calves for veal production are imported in the Netherlands?

>10%

How much % of land is used for production of maize silage?

12%

In 2014 how many millions of tons of fisheries catches were destined for non-food products? What % is it of total catches?

21 million tonnes, 22.5%

How much of the milk produced in exported?

65%

How many laying hens are there in the Netherlands?

more than 46 million

How much is the rearing period for hens?

18 weeks

In Africa what % of poultry products originates from village poultry keeping?

70%

How many chickens does a household with village poultry typically have?

20

How many grams is the average growth of a broiler chicken per day?

50g

How many eggs does a red jungle fowl lay per year?

12

When is a hen ready for production?

17 weeks

How much does a newborn chick weigh?

24g

When is the slaughter age for cows?

7-12 months

How much % of specialized farms are closed cycled?

18%

How many days is the oestrus cycle of pigs?

21

How many piglets does a sow give birth to and how many stay alive?

10-18 piglets 12.6 stay alive

How much % of Dutch dairy farms grow their own concentrates?

5%

How much of the fish ends up as a by-product?

30-70%

How much is the consumption of veal per capita per year?

1.7kg

How many weeks is the laying period?

60-80

In how many weeks is a broiler chicken ready for slaughter?

6 weeks 2.5kg

What is the importance of milk production recording?

Determining feed ratio, Udder health management, Breeding value estimation

How long is the pregnancy of the sow?

114-116 days

What is the weight of piglets when they are delivered to the finisher farms?

25kg

When is the sow inseminated again?

4-6 days after weaning

When are calves slaughtered?

7 months

How much does a newborn chick weigh?

24g

How many litres are produced per day?

25 litres

How much % does livestock contribute to climate change?

14.5%

How old is a cow on average when it is culled? How many calves has it produced over that period of time?

5 years and 9 months 2.054 days

How often does a sow give birth yearly?

2.36

How many cows are kept on average on a Dutch dairy farm?

85

How many cows does the Netherlands have?

1.8 million

When do the eggs hatch?

21-22 days