JAY 1976 , rB d Holstein cow owned by Rufus G. Martin, I, completed the highest 305 day lactation. She j 23,737 pounds of milk, 987 pounds of butterfat 42 percent test. Second high lactation was com hy a registered Holstein cow owned by Titus B. 3207 Bowman Road, Landisville. Hilda produced )un ds of milk, 907 pounds of butterfat with a 4.8 test in 305 days. herd of Rufus G. Martin had the highest daily average. This herd of 28 registered Holstein averaged 59.8 pounds of milk, 2.23 pounds of but- w. «‘v %n N v *o¥ideservice, Atlantic 4&nefis Power lyirik '*' *# j X birt'<. - v W'^ USDAIS/76J 1,230 Daughters in 582 Herds Average 15.711 M 3.65% 574 F Predicted Difference {98% rpi] +9BBM +s74 +24F Type. 188 Cl. Daus. Ave. 79.7 [act.] 81.7 (age-adj.]; 145 Pr. +.57 PDT (90% r.] USDA IS/76] - 126 Daughters in 88 Herds Average 14.819 M Predicted Difference |86% rpt.) +4B2M Type. 34 a. Daus. Ave. 80.0 |act.| 81.6 |age-adj.|; 28 Pr. +.7IPDT (69% r.| Hl e»y-° vo U °r\ I S**mf n I V Supplier M 24-Hour Toll-Free Phone Nos. for Service Pennsylvania 800-732-0391 Lancaster 569-0411 Lancaster COUNTY I DHIA | monthly) REPORT I m -fl'tla.n.tic BREEDERS COOFZEIR.A.TIVE LIVESTOCK SERVICES teriat with a 3.7 percent test. The herd of Ben K. Stoltzfus, Gordonville, placed second. This herd of 33 registered and grade Holstein cows averaged 60.8 pounds of milk, 2.17 pounds of butterfat with a 3.6 percent test. FIRST 305 DAYS OF LACTATION WITH 600 OR MORE POUNDS OF BUTTERF AT OWNER - Rufus G. Martin 33 RH 60 RH Titus B. Stoner Hilda RH 4-11 305 ' Donna RH 3-5 305 Lancaster Mennonite Hospital Wilsu24 RH 3-3 305 OHate RH 10-7 305 XmargSS RH 2-3 305 Xmudy 51 RH 2-3 305 Ben K.'-Stoltzfus Maid RH Sunny Craft Farm Matty RH Paul B. Zimmerman BREED RH 8-10 261 RH 4-5 305 [Continued on Page 82] Ida' Idena / ' , • Xy> s '- * as s'XW v Va V-iT v ' V X. .'ki 3? 'zid'' 5 3.60% +sl9 Member NAL Affiliated Breeders MILK TEST AGE DAYS 23,737 18,156 305 303 10-6 4-5 19,085 14,235 20,528 18,273 15,484 16,007 305 23,414 22,219 305 16,235 17j628 with o$- - 15H120 Harrisburg GAY Ideal Excellent (92) & Gold Medal; PQ & TQ (May/76) Sire: Tidy Burke Jerry EX & PQ Dam: Harrisburg Osborndale Sue VG (88) 15H139 Curtis-Haven Apollo VICTOR Good Plus & Type Qualified (May/76) Sire: Hilltop Apollo Ivanhoe VG (89) & GM Dam: Anderson Von Performer Veige EX (92) - 2E 533 F -7F Del. &Md. 800-233-0216 FAT 987 - 694 907 728 4.4 3.4 4.0 3.8 895 629 616 * 607 ' 853 852 831 647 Lancaster Farming, Saturday, June 26,1976—81 Summer Comfort and Safety For Dairy Cows During a recent visit to Penn State, on a hot af ternoon, Dick Adams and I were trying to keep cool and celebrate Dairy Month by enjoying some famous University Creamery ice cream. Since Dick is a dairy specialist concerned with the cow end of the industry, our conversation soon fell from chocolate chip mint vs. maple walnut to trying to keep the cows going during hot weather. Hot, humid weather can adversely affect milk production, milkfat test and reproductive performance of dairy cows. These effects may be at least partially overcome, if cows are made as comfortable as possible and feed intake is main tained close to normal. Summer comfort requires shade and good air movement. Sometimes it may be best to keep cows inside bank barns or properly ventilated free-stall units during the day and turn them out only at night. Such a bam must have a lot of air movement from forced or natural ventilation. Cows left outside should have access to natural or artificial shade in a spot where prevailing breezes can hit the cows. Most of the heat produced by the cow must be dissipated via skin and lung evaporation. Thus the importance of air movement. Shading is necessary to prevent overheating of the cow and particularly the Facts for dairymen By Alan Bair Assoc. County Agent Lancaster, Pa. rumen. Artificial shades should be high enough for good air movement and be covered with light material to reflect as much sunlight as possible. _ Feed, cool water and trace mineral salt should be provided in the comfort spot to encourage eating and drinking. Provide cows with the best quality forage possible during i hot spells. This may help keep the production of body heat at a minimum and maintain metabolism as close to normal as possible. Cows often will eat twice as much forage at night during warm weather. Take this into account in your feeding practices. Signs of heat stress in cows include lowered feed intake, reduced milkfat test, decreased production, moist skin and rapid breathing. In a bad situation they will pant much like a dog. Cows showing obvious heat stress should be moved to a cooler place and perhaps water cooled with a hose or sprinkler. When thunder showers threaten, remove cows from areas with trees and even open fields. Numberous cattle are killed each year by lightning. Extra cow comfort is needed in humid weather when temperatures reach into the mid 70’1 and 80’s. Cows are more apt to show heat symptoms in early morning and early evening during the warmer months. Observe them at these times for more successful breeding.
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