BYT.J.CUNHA Dean Emeritus California State Polytechnic University ALEXANDRIA, Va. - Drought conditions appear periodically throughout the world. In some areas, low rainfall, results in forage that is green for a short period and then becomes dry the remainder of the time until con sumed or until the next rainfall period. Under drought conditions the forage available remains dry. Dry forages are low in protein, minerals and other nutrients. Moreover, the nutrients in' the forage are low' in availability to the animal. This is - because dry, mature forage contains cell walls with a higher amount of cellulose All-Season" by JAMESWAY Fresh idea More than just a fan, All-Season ventilation gives you control of the air in your buildings. Seit it, then it’s automatic. Gontrols drafts, dead air pockets and condensation. Air stays fresh. Reduces stress; helps livestock improve production. See us for systems and service that help make the good life better. AGRI EQUIPMENT INC. 2754 Creek Hi/lRd. Leola, PA 17540 717-656-4151 I. G. SALES Rt. 113, Box 200 Silverdale, PA 215-257-5135 G. HIRAM BUCHMAN, INC. Rte.sl9-N.offßte.46 P.0.80x 185 Belvidere, NJ 07823 201-475-2185 GEORGE A. COLEMAN BENNETT MACHINE CO. Rt. »2. Box 216 1601 S.l)upont Blvd. Elmer, NJ Milford, DE . . - 609-358-8528 302-422-4837 Drought effects livestock and which causes the nutrients inside the cell walls to be less available. Therefore, nutrient utilization is low in dry, mature forages that are encountered in drought conditions. During drought periods, ihany livestock producers pay less at tention to feeding minerals to their grazing animals because they begin cutting corners, since they face a cost-price squeeze situation. In many instances they need to buy extra hay or other energy'sources. In others, they need to supply a source of protein to balance out the low level of protein in the forage available for grazing. The cost of minerals, however, amounts to only approximately 1 percent to 3 jjercent of the total ventilation DEPENDABLE MOTORS Honey Brook, PA* _ 215-273-3131 215-273-3737 SOLLENBERGER SILOS HENRY S. LAPP RFD2,Chambersbur 6 ,PA RDI, Cams, Gap. PA 17527 717-264-9588 / 717-442-8134 HARRYLTROOP Rt. 1 Cochranville, PA 19330 ERB& HENRY EQUIP., INC. 22-26 Henry Avenue New Berlinville, PA 215-367-2169 215-593-6731 cost of animal production. Therefore, trying to save money by eliminating or cutting down on mineral supplementation is false economy. For every dollar spent on minerals, many more are returned to the producer. Mineral supplements that in clude calcium, phosphorus, salt and the trace minerals should continue to be self-fed during drought situations. They are needed to help the animal digest the low quality forages available. Some of the minerals are needed by the microorganisms in the rumen in order for them to adequately digest the dry forage. For example, experimental data ♦from several research scientists indicate that phosphorus is ROVENDALE SUPPLY RD2, Watsontown, PA 17777 717-538-5521 I. A. SWOPE Box 121, RDI - Myerstown, PA 717-933-4758 DETWILERSILO REPAIR Rt. 2, Newville, PA 717-776-7533 mineral needs required by rumen microorganisms for cellulose digestion or cell growth. This makes it doubly important since cellulose digestion by the microorganisms is very necessary with drought forages. The ruminant animal does not produce cellulose splitting enzymes. Only the microorganisms in the rumen can break down some- of the cellulose in the dry forage. A lack of phosphorus results in poor growth as well as poor reproduction. The calf crop can be increased by as much as 50 percent and sometimes more, in areas where phosphorus is low. Calcium, along with phosphorus, is needed for proper bone and teeth for mation. A lack of salt causes a loss of appetite, decreases feed intake, causes weight loss, decreases milk production and causes fatigue, exhaustion gnd eventually death. Trace minerals gje also very important and the'lack of any of the seven (copper, cobalt, iron, manganese, zinc, iodine and selenium) will decrease animal productivity and efficiency. Recent studies indicate that pot assium is very low in dry forages. Supplementation is increased USED EQUIPMENT SALE* 1 Only Of Each item Listed REMINGTON CHAIN SAW. 18" BAR • 82CC Engine • New Chain SKIL CHAIN SAW. 10" BAR • Like New STIHL CHAIN SAW, 20" BAR • 014 AVE • Anti-Vibration • Electronic Ignition MC CULLOCH CHAIN SAW, 18" BAR • D 340 STIHL CHAIN SAWf 24" Bar • 045 AVE • Electronic Ignition ,• Anti-Vibration • New Chain I.H. 76 CADET RIDER • 36" Mower Deck • 7 H.P. • Reconditioned .. Sale *7so°" ARIENS RIDER 7 H.P. •'3O" Mower Deck COOPER KLIPPING 21" MOWER • S.P. 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Sat 9 5 Lancaster Farming, Saturday, June 20,1951—D5 when protein supplements contain a substantial level or urea. All of these minerals need consideration as a producer develops feeding programs for ruminants in drought or dry forage situations. Minerals can be supplied in protein blocks, molasses or liquid supplements. Even so, it is a good idea also to self-feed minerals in case the animals need more than is contained in the energy or protein sources. Moreover, the energy or protein sources are sometimes fed only in limited quantities or for short periods of time, and thus mineral supplementation becomes even more important. Sale *9s°° Sale *4s°° Sale *lss°° .Sale *6s®° Sale ‘27s°° Sale *29s°° Sale *Bs°° Sale *2s°® .Sale »49«° Sale *l2s°° . Sale *37s°° Sale *999°° .Sale *2,495°° Sale *so°° .Sale *9s°° . Sale s 9s°° Sale *23s°° jjjjwsJJJ