Dairy Sheep Symposium - the Department of Animal Sciences ...

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Table of Contents Choice of Breed for Dairy Sheep Production Systems David L. Thomas 1 Milking Equipment for Dairy Ewes Yves M. Berger 9 Regulations for Sheep Milk Bruce Carroll 17 Farmstead Cheese and Marketing Steven and Jodi Ohlsen Read 26 The Wisconsin Sheep Dairy Cooperative - Past, Present and Future Daniel P. Guertin 31 Getting Started in Sheep Dairying Jon and Kris Tappe 35 Management of a Dairy Sheep Operation Tom and Laurel Kieffer 36 Comparison of East Friesian and Lacaune Breeding for Dairy Sheep Production Systems David L. Thomas, Yves M. Berger, Brett C. McKusick, Randy G. Gottfredson, and Rob Zelinsky 44 Factors Affecting the Quality of Ewe’s Milk Roberta Bencini 52 Evaluation of Sensory and Chemical Properties of Manchego Cheese Manufactured from Ovine Milk of Different Somatic Cell Levels J.J. Jaeggi, Y.M. Berger, M.E. Johnson, R. Govindasamy-Lucey, B.C. McKusick, D.L. Thomas, W.I. Wendorff 84 New Developments in the Genetic Improvement of Dairy Sheep J.J. Arranz, Y. Bayón, D. Gabiña, L.F. de la Fuente, E. Ugarte and F. San Primitivo 94 Is Machine Stripping Necessary for East Friesian Dairy Ewes? Brett C. McKusick, David L. Thomas, and Yves M. Berger 116 Effect of Reducing the Frequency of Milking on Milk Production, Milk Composition, and Lactation Length in East Friesian Dairy Ewes Brett C. McKusick, David L. Thomas, and Yves M. Berger 129 Using Light in a Dairy Sheep Operation Ken Kleinpeter 136 The Effect of Growth Rate on Mammary Gland Development in Ewe Lambs: A Review Bee Tolman and Brett C. McKusick 143 Effect of Freezing on Milk Quality W.L. Wendorff and S.L. Rauschenberger 156
Table of Contents (continued) Latest Development in the Use of Raw Milk for Cheesemaking W.L. Wendorff 165 The Australian Sheep Dairy Industry: History, Current Status and Research Initiatives Roberta Bencini 170 Group Breeding Scheme: A Feasible Selection Program Yves M. Berger 178 Can the Ovary Influence Milk Production in Dairy Ewes? Brett C. McKusick, Milo C. Wiltbank, Roberto Sartori, Pierre-Guy Marnet, and David L. Thomas 186 Milk Storage Within the Udder of East Friesian Dairy Ewes over a 24 Hour Period Brett C. McKusick, David L. Thomas, and Pierre-Guy Marnet 199 Tappe Farm Tour Jon and Kris Tappe 212 A Visit to EwePhoria Farm Carolyn Craft 213
Page 1 and 2: Proceedings of the 7 th Great Lakes
Page 3 and 4: ORGANIZING COMMITTEE 7 TH GREAT LAK
Page 5 and 6: Thursday, November 1 Noon Registrat
Page 7: SPEAKERS Dr. Juan-José Arranz, Dpt
Page 11 and 12: eeding and were created to have hig
Page 13 and 14: Disease in the U.K. and subsequentl
Page 15 and 16: sheep production conditions in Wisc
Page 17 and 18: Pinelli, F., P. A. Oltenacu, G. Ian
Page 19 and 20: Bucket milking and elevated platfor
Page 21 and 22: Throughputs in different parlors No
Page 23 and 24: 1 - Stand up as straight as possibl
Page 25 and 26: Roques J.L.. 1997. Traite des brebi
Page 27 and 28: Grade B milk quality is as follows:
Page 29 and 30: (c) Not Applicable (d) At least 10
Page 31 and 32: TOILET AND WATER SUPPLY 7. Toilet (
Page 33 and 34: (c) Drugs and medicinals shall be l
Page 35 and 36: FARMSTEAD CHEESE AND MARKETING Stev
Page 37 and 38: 5. Cheese is delivered in person, w
Page 39 and 40: to participate with us, we are enga
Page 41 and 42: The key points to this plan were: Y
Page 43 and 44: Milk is supplied in two major forms
Page 45 and 46: MANAGEMENT OF A DAIRY SHEEP OPERATI
Page 47 and 48: 4 3.5 3 2.5 2 1.5 1 0.5 Chart 1: Mi
Page 49 and 50: Facilities and Equipment The requir
Page 51 and 52: from the ewes at 12 to 24 hours of
Page 53 and 54: COMPARISON OF EAST FRIESIAN AND LAC
Page 55 and 56: two-year-olds in 2001. East Friesia
Page 57 and 58: Reproduction. Table 4 compares the
Page 59 and 60:
six ewes were sired by Lacaune ram
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FACTORS AFFECTING THE QUALITY OF EW
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Sheep Genetic factors breed and gen
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Genetic factors The breed and genot
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Physiological factors affecting she
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Management factors affecting the qu
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sheep with one peak of milk ejectio
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An important aspect of dietary fibr
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References Alais C. (1974). Science
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Bufano G., Dario C. and Laudadio V.
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Cowan R.T., Robinson J.J., McHattie
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Folman Y., Volcani R. and Eyal E. (
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Kalantzopoulos G. (1994). Influence
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McHattie I., Fraser C., Thompson J.
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Peart J.N. (1970). The influence of
Page 89 and 90:
Ranieri M.S. (1993). La variazione
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Treacher T.T. (1970). Effects of nu
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EVALUATION OF SENSORY AND CHEMICAL
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ing, the cheeses were brined for 18
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The FFA concentrations generally in
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Table 1. Composition of pasteurized
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Table 6. Body and texture scores 1
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Present Development of Selection Sc
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Breed Usage in Europe Crossbreeding
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nearly 1. As a consequence this cha
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Table 5. Repeatabilities and phenot
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percentage is not expected to resul
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Improved AI technique Artificial in
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Identifying major genes or QTL rela
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Figure 5. Half-sib families and QTL
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In the case of cheese the problem i
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Emanuelson, U., Danell, B., Philips
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Rothschild, M. F., Soller, M. (1997
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teat placement in dairy ewes (Fern
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that of the average milking time. M
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1988) and active expulsion of fat f
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References Barillet, F., and F. Boc
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Table 1. Least squares means ± SEM
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Table 3. Simulation of parlor throu
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EFFECT OF REDUCING THE FREQUENCY OF
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Individual ewe milk production (mor
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dimanche soir sur les brebis de rac
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A B A Morning milk yield, kg B Adj.
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Background and History: Most sheep
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Percent 100 80 60 40 20 0 87 Effect
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Fall Lambing Percentage 100 90 80 7
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THE EFFECT OF GROWTH RATE ON MAMMAR
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After puberty, the mammary gland re
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Many trials have examined the mamma
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From these results the authors conc
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Onset of Puberty and Reproductive P
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Similarly, calves, heifers, and cow
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McCann, M. A., Goode, L., Harvey, R
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DISCUSSION Stability of Frozen Raw
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analyzed for titratable acidity, sy
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411-416. Wendorff, W.L. 1998. Updat
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Recent Outbreaks involving Cheddar
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testing on raw milk at the farm. Th
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THE AUSTRALIAN SHEEP DAIRY INDUSTRY
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The University of Western Australia
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Heterosis did not seem to intervene
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Lambs The problem of weaning lambs
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GROUP BREEDING SCHEME: A FEASIBLE S
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Where: h = square root of heritabil
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Second step. All members enroll in
Page 193 and 194:
The structure and movement of anima
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CAN THE OVARY INFLUENCE MILK PRODUC
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dividing the amount of milk obtaine
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the CL there were significant diffe
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etween milkings. Finally, this woul
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Table 1. Least squares means ± SEM
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A Daily milk yield (kg) A B Milk fl
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Progesterone (ng/ml) 8 6 4 2 0 CLY:
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milk volume within the cistern (Mar
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Results Treatment milk yield increa
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Reports in dairy cattle concerning
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Muir, D.D., D.S. Horne, A.J.R. Law,
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Milk yield (kg) 1.4 1.2 1.0 0.8 0.6
Page 219 and 220:
A Milk protein (%) A A Milk protein
Page 221 and 222:
TAPPE FARM TOUR Jon & Kris Tappe, T
Page 223:
a little special attention every da
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