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

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Table 1. Least squares means and SEM for milk yield and milk composition traits. Milking interval treatment (h) 1 Trait 4 8 12 16 20 24 Milk yield Treatment yield, kg 0.39 f SEM 0.04 Cisternal fraction, % 32.2 d SEM 1.8 12 h before treatment, kg 1.21 a 12 h after treatment, kg 1.19 a SEM 0.04 Total 3-d yield, kg 7.24 a SEM 0.08 Milk composition Milk fat, % 9.20 a SEM 0.13 Milk fat, g 36.3 f SEM 2.4 Milk protein, % 4.13 d SEM 0.03 Milk protein, g 15.2 f SEM 1.7 SCC, log units 5.29 a SEM 0.04 0.81 e 37.8 c 1.24 a 1.17 a 7.23 a 7.07 b 57.2 e 4.31 c 34.4 e 5.11 b 1.28 d 46.9 b 1.23 a 1.18 a 7.31 a 6.26 c 78.5 d 4.51 b 56.8 d 5.08 b 1.52 c 52.4 b 1.28 a 1.10 b 7.16 a 5.78 d 86.5 c 4.58 b 68.9 c 4.96 c 1.86 b 51.0 b 1.25 a 1.06 b 6.89 b 5.67 d 104.1 b 4.57 b 84.2 b 4.94 c a,b,c,d,e,f Means within a row(s) with different subscripts differ (P < 0.05). 1 The first milking of a 3-d period occurred at 4, 8, 12, 16, 20, or 24 h (n = 32) respective to initial udder emptying with oxytocin at 0 h. Subsequent milkings during the 3-d period occurred at 0630 and 1830. 2.28 a 57.4 a 1.26 a 1.06 b 6.85 b 5.72 d 127.5 a 4.65 a 104.8 a 5.02 bc
Milk yield (kg) 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0 * * alveolar cisternal 4 8 12 16 20 24 Time since last milking (h) Figure 1. Alveolar and cisternal milk yield obtained 4, 8, 12, 16, 20, and 24 h since the last milking. Values are means of 32 ewes studied in a 6 x 6 Latin square design every 3 d for 18 d. Significant differences between alveolar and cisternal fractions within a time category are indicated by * (P< 0.05). *
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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
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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
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 and 206: A Daily milk yield (kg) A B Milk fl
Page 207 and 208: Progesterone (ng/ml) 8 6 4 2 0 CLY:
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: Muir, D.D., D.S. Horne, A.J.R. Law,
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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