Show EFFICIENT FEEDING ANO MANAGEMENT Dy By Dr Bohstedt Emeritus Professor of Animal University of Wisconsin How I Minerals Behave It seems to be a law of nature that there be interactions and more or less intimate relation relation- relationships ships between and among chem ical elements that make up our our- ourselves selves and our environment Our understanding of this In- In Interrelationship has gradually increased but is as yet plate A tiny 4 N amount amount of copper is s i necessary as asa asa a catalyst to F usher iron in to the hemoglobin r globin of the blood bloo That's why we use both ole ole- elements ments to pre pre- prevent vent anemia Dr in suckling pigs Molybdenum and inorganic sulfate prevent or inhibit the development of copper poison poison- poisoning poisoning ing On the other hand copper supplementation of rations is isa isa a preventative of molybdenum toxicity in certain soil areas of Florida and California Neither calcium nor phosphorus Is properly utilized by pigs and other animals unless these two minerals are some some- somewhere where near in balance A great excess of one over the other may bring on rickets and osteoporosis osteoporosis A high calcium content in swine rations necessitates necessitate a generous allowance of zinc in inthe Inthe the same ration to avoid the mange like skin disease of par par- An excessive amount of cal calm clum also reduces the availabilIty Ity of manganese In both the soil and the animal digestive tract Moderation Is the golden mean Sodium and potassium are similar in behaviour and to a limited extent may replace each other in the nutrition of certain crops they also have an inter inter- in animal nutrition nutrition tion Selenium in excessive amounts is the culprit in in the occurrence of alkali disease or blind staggers but a prop prop- proper er use of arsenic minimizes Its effect A high level of iron in a ra ra- ra ration tion may inhibit the absorption or utilization of phosphorus There are no doubt many other interrelationships of nu- nu nutrients nutrients as there are with min min- minerals and organic compounds like selenium in extreme moderation mod mod- moderation end and vitamin E both of them working together in the prevention of white muscle dis- dis disease die ease Many of the above minerals are called so-called minor or trace minerals that are tre tre- tre tremendously important in spite of the fact that they ore are fed on onIt ona It a per parts basis Trace mineral salt or other trace mineral premixes in inthe inthe the amounts recommended In rations recognizes the levels of necessary animal requirements for tor the different trace minerals miner miner- minerals als It is formulated to conform with the latest stipulations as asto asto to animal requirements by the National Research Council Councils a body of recognized auth Question Is dairy herd size to be emphasized to make for correspondingly greater profit Answer u It was found at Wis- Wis Wisconsin Wisconsin that 17 cows with a pro pro- pro production level of pounds butterfat showed the same in- in income income come over feed cost as 33 cows with a production level of pounds Good breeding and management mean more than numbers |