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

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A Milk fat (g) A B Milk protein (g) B 120 100 80 60 40 120 100 80 60 40 CLY: Saline + CIDR CLN: PGF2á 2α + CIDR CLY: PGF2á 2α - CIDR CLN: PGF2á 2α - CIDR CLY CLN 0 2 4 6 8 10 12 14 16 18 20 22 24 26 CLY: Saline +CIDR CLY: PGF - CIDR CLY: Saline 2 + CIDR 2 CLY: PGF2á 2α - CIDR CLN: PGF +CIDR CLN: PGF - CIDR 2 2 CLN: PGF2á 2α + CIDR CLN: PGF2á 2α - CIDR CLY CLN 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Days post-ovulation Figure 3. Daily milk fat and protein yield (panels A and B, respectively) for the two treatment groups (CLY = ewes with corpora lutea, n = 12; CLN = ewes with no corpora lutea, n = 12) during the three experimental periods: d 0 to 5 (pre-treatment), d 6 to 18 (treatment), and d 19 to 25 (post-treatment). Both groups received intravaginal progesterone (CIDR) from d 5 to 18.
Progesterone (ng/ml) 8 6 4 2 0 CLY: Saline + CIDR CLN: PGF2á 2α + CIDR CLY: PGF2á 2α - CIDR CLN: PGF2á 2α - CIDR 0 2 4 6 8 10 12 14 16 18 20 22 24 26 Days post-ovulation Figure 4. Serum progesterone concentrations for the two treatment groups (CLY = ewes with corpora lutea, n = 12; CLN = ewes with no corpora lutea, n = 12) during the three experimental periods: d 0 to 5 (pre-treatment), d 6 to 18 (treatment), and d 19 to 25 (post-treatment). Both groups received intravaginal progesterone (CIDR) from d 5 to 18. Estradiol (pg/ml) 4 3 2 1 0 CLY CLN CLY CLN estrus pre-treatment treatment post-treatment Figure 5. Serum estradiol concentrations for the two treatment groups (CLY = ewes with corpora lutea, n = 12; CLN = ewes with no corpora lutea, n = 12) during estrus (d –2) and the three experimental periods: d 0 to 5 (pre-treatment), d 6 to 18 (treatment), and d 19 to 25 (post-treatment
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Proceedings of the 7 th Great Lakes
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ORGANIZING COMMITTEE 7 TH GREAT LAK
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Thursday, November 1 Noon Registrat
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SPEAKERS Dr. Juan-José Arranz, Dpt
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Table of Contents (continued) Lates
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eeding and were created to have hig
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Disease in the U.K. and subsequentl
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sheep production conditions in Wisc
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Pinelli, F., P. A. Oltenacu, G. Ian
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Bucket milking and elevated platfor
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Throughputs in different parlors No
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1 - Stand up as straight as possibl
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Roques J.L.. 1997. Traite des brebi
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Grade B milk quality is as follows:
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(c) Not Applicable (d) At least 10
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TOILET AND WATER SUPPLY 7. Toilet (
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(c) Drugs and medicinals shall be l
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FARMSTEAD CHEESE AND MARKETING Stev
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5. Cheese is delivered in person, w
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to participate with us, we are enga
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The key points to this plan were: Y
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Milk is supplied in two major forms
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MANAGEMENT OF A DAIRY SHEEP OPERATI
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4 3.5 3 2.5 2 1.5 1 0.5 Chart 1: Mi
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Facilities and Equipment The requir
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from the ewes at 12 to 24 hours of
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COMPARISON OF EAST FRIESIAN AND LAC
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two-year-olds in 2001. East Friesia
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Reproduction. Table 4 compares the
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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
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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
Page 156 and 157: Many trials have examined the mamma
Page 158 and 159: From these results the authors conc
Page 160 and 161: Onset of Puberty and Reproductive P
Page 162 and 163: Similarly, calves, heifers, and cow
Page 164 and 165: McCann, M. A., Goode, L., Harvey, R
Page 166 and 167: DISCUSSION Stability of Frozen Raw
Page 168 and 169: analyzed for titratable acidity, sy
Page 170: 411-416. Wendorff, W.L. 1998. Updat
Page 175 and 176: Recent Outbreaks involving Cheddar
Page 177 and 178: testing on raw milk at the farm. Th
Page 179 and 180: THE AUSTRALIAN SHEEP DAIRY INDUSTRY
Page 181 and 182: The University of Western Australia
Page 183 and 184: Heterosis did not seem to intervene
Page 185 and 186: Lambs The problem of weaning lambs
Page 187 and 188: GROUP BREEDING SCHEME: A FEASIBLE S
Page 189 and 190: Where: h = square root of heritabil
Page 191 and 192: Second step. All members enroll in
Page 193 and 194: The structure and movement of anima
Page 195 and 196: CAN THE OVARY INFLUENCE MILK PRODUC
Page 197 and 198: dividing the amount of milk obtaine
Page 199 and 200: the CL there were significant diffe
Page 201 and 202: etween milkings. Finally, this woul
Page 203 and 204: Table 1. Least squares means ± SEM
Page 205: A Daily milk yield (kg) A B Milk fl
Page 209 and 210: milk volume within the cistern (Mar
Page 211 and 212: Results Treatment milk yield increa
Page 213 and 214: Reports in dairy cattle concerning
Page 215 and 216: Muir, D.D., D.S. Horne, A.J.R. Law,
Page 217 and 218: 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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