WorksheetsLactation in Dairy Cattle
Total questions: 48
Worksheet time: 25mins
Milk secreted for up to few days after parturition and characterized by high protein and antibody content. Known as first milk.
Colostrum
Milk
Artificial Insemination
Reproduction
The _________ are clusters of 150-220 alveoli.
Lumen
Lobes (aka Lobules)
epithelial cells
Udder
The ______ collects the milk made in the epithelial cells of the alveoli.
Alveoli
Teat Cistern
Gland Cistern
Lumen
Lateral Suspensory Ligament
How long does it take for milk let down to start from the stimulation?
Instantly
20-30 Seconds
60-90 seconds
5 Minutes
The process for making eggs in a female...
Spermatogenesis
Ovulation
Uterine Horns
Oogenesis
What hormone starts the development of the udder prior to the birth of the calf?
Epinephrine
Oxytocin
Prolactin
Steroids
What hormone relaxes the sphincter muscle at the top of the teat?
Epinephrine
Prolactin
Oxytocin
Bovine Somatrophin (BST)
The type and quality of the food matters for quality of milk production.
True
False
In order to maximize milk production, the farmer must provide...(Select all that apply)
Calm
Consistent
Clean
Chaotic
The type of cells in the alveoli that are
epitheliel
myoptic
Let down means
Cow lets the udder down
The milk is released for milking
Milk is let into the gland cistern
Milk leaves the alveoli and enters the duct
The way the let down process starts is...
The cow is fed.
Calf butts head on udder.
Farmer washes the udder.
Happens at the same time each day.
What is always the first step in the milking process?
Dry teats
Strip milk from udder and check for mastitis
Draw milk with claw.
Dip teats in iodine
Period of time when a female is giving birth.
Parturition
Meiosos
Lactation
Pregnancy State
What is the most important organ on a dairy cow? __________________ (it can hold 25-50 pounds of milk)
Stomach
Muscles
Milk
Udder
An average Dairy cow produces 20,000 pounds of milk a year. How many pounds of milk will the average cow produce in a day?
45
55
65
70
What hormone starts the development of the udder prior to the birth of the calf?
Epinephrine
Oxytocin
Prolactin
Steroids
This hormone inhibits milk production and is caused by stress and chaos in the milking parlor.
Oxytocin
Prolactin
Epinephrine
Testosterone
