Dairy cattle Flashcards
What are the nutritional merits of milk
Fat, calcium, protein, vitamin B, and lactose
What are the six major breeds of dairy cattle
Holstine, jersey, short horn, brown swiss, girmsey, ayrshire
What is milk low on vitamin wise?
Iron and Vitamin C
____ is the primary hormone responsible for milk letdown, it is produced by the posterior pituitary and carried to all parts of the body through the _______ system. the target tissue is smooth muscle cells that surround alveoli in the mammary gland. this hormone is a muscle ________.
Oxytocin, circulatory, contractor
Types of homogenization are what
High pressure (Forces milk through a small orifice to break-up fat globules), low pressure (rotary type that shears fat globules apart), sonic vibrator (subjects milk to high frequency vibrations that tear the fat globules apart)
What are the three important functions of colostrum for the newborn animal?
High energy “nutritional” value, Unique antibodies, and laxative properties
What is colostrums role in the immune system
Sence the newborn animal can’t produce antibodies of its own, colostrum helps to start produce these antibodies
What % of calcium is in the American diet produced by dairy products
75%
