Show EFFICIENT if LIVESTOCK AND management by dr curlay Bolla emeritus Eme ritu professor of animal husbandry university of wisconsin urea As A i n substitute some twenty five years yeara ago it if anyone had proposed the idea of using urea instead of protein in cattle or ruminant antioni lie would have been disbelieved by probably 00 09 out 0 of f every listeners to be sure auto this thia while crystalline substance urea could be manufactured and sold bold for fertilizer but not to food feed it iti I 1 wily why it w was 5 a natural constituent of urine and liow how could it too lie any good to a cow or steer or I 1 iamb amb when w li e n all thesie anlin alis n n te i pr onte on in the first plan BS an an end product of their body metabolism metal wliam dut but soma aam early work by german m an investigators had sug eat ed cd that this nitrogen fertil he r lasi a stimulating effect on tite the Ime terin of tho lie paunch of cuini nanta or on oil that aliat inside farm fann 1 of I tile irs just as it had on the to of tile the soil boil ru cuillier ruillier illier more through natural nc ural fort fortner nen tation proman like urea could be made avail available aile to tin the host boat animal fis fl well nj ni to the plants growing in inq q soil BOI what I 1 ift oni la Is chat the lAc bacteria teria tiso ave alio nitrogen nitro een of tile the urea convert converting it into their convertine own body prote protein n there k t the theory that thai tim the billions of lae bac toile aro TO then consumed hy by tile Is larger organisms of the the ilia protozoa bip I ip in turn eni end tile their cles oni and then lien awe are dl di refilled b the cow like a much food protein I 1 ach writ work at the ont varsity of Wis wisconsin connin burlog durl rint the thir thirties tivi led to the alie now commonly 0 accepted mi rule mip p that one al pound of urea plus about six pounds of corn or other grain are worth as much as seven pounds d 3 of soybean oil meal in mu 1 in g v value wit when e oil d meals or other protein concentrates are relatively cheap in comparison to corn or other tain grain there is no advantage f in n feeding urea supple dented mixtures urea lias has mi a log logical lent place in ruminant rations when oil are relatively high priced or when routing coating from 40 to CO 60 per cent more than corn ton for ton and when tile the na saving I in cost coet due ue to cheaper 1 urea min is passed on to alis purchaser urea urea lias ilan value only for ruminants and not for pigs or chickens or other animals with single st 0 Que font large integrated organizations in animal production and marketing have advant advantage agett over small independent ones nit bat what ato arc some of the lie problems that go with to dee tor drummer of the iho of wisconsin integration will cause growers to need more moire capital and therefore more credit tarter operations will increase the disease problem and will require more medication in feeds the grower will have to operate on ft a iii smaller margin ito he wilt will be purchasing more grain possibly in the form of more completo complete ferda ilia feed will havo have to become mori more and im tn ini farar will revolutionize luti lut onke ionize hed fed handling |