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&lt;br /&gt; Efficient Milking&lt;br /&gt; &copy; DeLaval 2001&lt;br /&gt; &lt;br /&gt; All rights reserved. No part of this book may be reproduced, in any form or by&lt;br /&gt; any means, without the permission from the publisher. DeLaval, ALPRO, Har-&lt;br /&gt; mony and ComFloor are trademarks of the DeLaval Group.&lt;br /&gt; Preface&lt;br /&gt; &lt;br /&gt; &lt;br /&gt; &lt;br /&gt; Efficient Milking has been written to provide the base knowledge level&lt;br /&gt; and understanding of the complex subject of milk extraction to all DeLaval&lt;br /&gt; employees worldwide. It is from these physiological, biological and&lt;br /&gt; behavioural platforms that DeLaval products are developed. Our philosophy is&lt;br /&gt; to work in harmony with biology, the environment, and the natural processes&lt;br /&gt; of life toward optimum harvesting of nature&rsquo;s most perfect food milk.&lt;br /&gt; &lt;br /&gt; A wider use of this booklet in our dairy industry is encourage<a title="Efficient Milking booklet page 1" href="http://viewer.zmags.com/publication/7aa1d92d?page=1">Efficient Milking</a> Efficient Milking<a title="Efficient Milking booklet page 2" href="http://viewer.zmags.com/publication/7aa1d92d?page=2">&copy; DeLaval 2001All rights reserved. No part of t</a> &copy; DeLaval 2001All rights reserved. No part of t<a title="Efficient Milking booklet page 3" href="http://viewer.zmags.com/publication/7aa1d92d?page=3">PrefaceEfficient Milking has been written to </a> PrefaceEfficient Milking has been written to <a title="Efficient Milking booklet page 4" href="http://viewer.zmags.com/publication/7aa1d92d?page=4"></a> <a title="Efficient Milking booklet page 5" href="http://viewer.zmags.com/publication/7aa1d92d?page=5">List of contents1 Introduction...........</a> List of contents1 Introduction...........<a title="Efficient Milking booklet page 6" href="http://viewer.zmags.com/publication/7aa1d92d?page=6">I. IntroductionMilk is one of the most import</a> I. IntroductionMilk is one of the most import<a title="Efficient Milking booklet page 7" href="http://viewer.zmags.com/publication/7aa1d92d?page=7">II. The lactating dairy cowWhat is special ab</a> II. The lactating dairy cowWhat is special ab<a title="Efficient Milking booklet page 8" href="http://viewer.zmags.com/publication/7aa1d92d?page=8">Figure 1Lactation curves of vari-ous species. (</a> Figure 1Lactation curves of vari-ous species. (<a title="Efficient Milking booklet page 9" href="http://viewer.zmags.com/publication/7aa1d92d?page=9">Milk yield, kg/day10210110-</a> Milk yield, kg/day10210110-<a title="Efficient Milking booklet page 10" href="http://viewer.zmags.com/publication/7aa1d92d?page=10">How is this process regulated? During gestation a</a> How is this process regulated? During gestation a<a title="Efficient Milking booklet page 11" href="http://viewer.zmags.com/publication/7aa1d92d?page=11">40(kg/d)(Mcal/d)(Mcal/d)Milk productionEne</a> 40(kg/d)(Mcal/d)(Mcal/d)Milk productionEne<a title="Efficient Milking booklet page 12" href="http://viewer.zmags.com/publication/7aa1d92d?page=12">Figure 4.Yield of milk (kg, FCM-fat corrected m</a> Figure 4.Yield of milk (kg, FCM-fat corrected m<a title="Efficient Milking booklet page 13" href="http://viewer.zmags.com/publication/7aa1d92d?page=13">which is digested to glycerol and fatty acids. By</a> which is digested to glycerol and fatty acids. By<a title="Efficient Milking booklet page 14" href="http://viewer.zmags.com/publication/7aa1d92d?page=14">III. The mammary glandAnatomy of themammary </a> III. The mammary glandAnatomy of themammary <a title="Efficient Milking booklet page 15" href="http://viewer.zmags.com/publication/7aa1d92d?page=15">&copy;Pelvis </a> &copy;Pelvis <a title="Efficient Milking booklet page 16" href="http://viewer.zmags.com/publication/7aa1d92d?page=16">Figure 7.Schematic picture of theanatomy of the</a> Figure 7.Schematic picture of theanatomy of the<a title="Efficient Milking booklet page 17" href="http://viewer.zmags.com/publication/7aa1d92d?page=17">&copy; </a> &copy; <a title="Efficient Milking booklet page 18" href="http://viewer.zmags.com/publication/7aa1d92d?page=18">Milk secretionand milk compo-sitionFigure</a> Milk secretionand milk compo-sitionFigure<a title="Efficient Milking booklet page 19" href="http://viewer.zmags.com/publication/7aa1d92d?page=19">Rumen Fatty acids C2, C3, C4 </a> Rumen Fatty acids C2, C3, C4 <a title="Efficient Milking booklet page 20" href="http://viewer.zmags.com/publication/7aa1d92d?page=20">Figure 11.Changes in fat, proteinand lactose co</a> Figure 11.Changes in fat, proteinand lactose co<a title="Efficient Milking booklet page 21" href="http://viewer.zmags.com/publication/7aa1d92d?page=21">IV. Milking technologyMilk letdownAncient pe</a> IV. Milking technologyMilk letdownAncient pe<a title="Efficient Milking booklet page 22" href="http://viewer.zmags.com/publication/7aa1d92d?page=22">Figure 13.A contracted alveolus.</a> Figure 13.A contracted alveolus.<a title="Efficient Milking booklet page 23" href="http://viewer.zmags.com/publication/7aa1d92d?page=23">&copy;tion reflex is activated. Thi</a> &copy;tion reflex is activated. Thi<a title="Efficient Milking booklet page 24" href="http://viewer.zmags.com/publication/7aa1d92d?page=24">Post stimulationStimulation dur-ing </a> Post stimulationStimulation dur-ing <a title="Efficient Milking booklet page 25" href="http://viewer.zmags.com/publication/7aa1d92d?page=25">It has also been indicated in dairy cows that act</a> It has also been indicated in dairy cows that act<a title="Efficient Milking booklet page 26" href="http://viewer.zmags.com/publication/7aa1d92d?page=26">Figure 17.Both milking and feedintake activates</a> Figure 17.Both milking and feedintake activates<a title="Efficient Milking booklet page 27" href="http://viewer.zmags.com/publication/7aa1d92d?page=27">Why efficient milk removal?Efficient milk remova</a> Why efficient milk removal?Efficient milk remova<a title="Efficient Milking booklet page 28" href="http://viewer.zmags.com/publication/7aa1d92d?page=28">Milking intervalsFigure 19.</a> Milking intervalsFigure 19.<a title="Efficient Milking booklet page 29" href="http://viewer.zmags.com/publication/7aa1d92d?page=29">Milking frequencyMilking twice a day has long be</a> Milking frequencyMilking twice a day has long be<a title="Efficient Milking booklet page 30" href="http://viewer.zmags.com/publication/7aa1d92d?page=30">Udder health has been reported to be improved wit</a> Udder health has been reported to be improved wit<a title="Efficient Milking booklet page 31" href="http://viewer.zmags.com/publication/7aa1d92d?page=31">systems related to metabolism. Indeed, it has bee</a> systems related to metabolism. Indeed, it has bee<a title="Efficient Milking booklet page 32" href="http://viewer.zmags.com/publication/7aa1d92d?page=32">Figure 22.Effect of pretreatment onmilk product</a> Figure 22.Effect of pretreatment onmilk product<a title="Efficient Milking booklet page 33" href="http://viewer.zmags.com/publication/7aa1d92d?page=33">Plasma Oxytocin (pM)40 </a> Plasma Oxytocin (pM)40 <a title="Efficient Milking booklet page 34" href="http://viewer.zmags.com/publication/7aa1d92d?page=34">Teat treatment/mastitisFigure 24.Cli</a> Teat treatment/mastitisFigure 24.Cli<a title="Efficient Milking booklet page 35" href="http://viewer.zmags.com/publication/7aa1d92d?page=35">It has been reported that clinical mastitis rates</a> It has been reported that clinical mastitis rates<a title="Efficient Milking booklet page 36" href="http://viewer.zmags.com/publication/7aa1d92d?page=36">Figure 26.The inflammatory proc-ess involved in</a> Figure 26.The inflammatory proc-ess involved in<a title="Efficient Milking booklet page 37" href="http://viewer.zmags.com/publication/7aa1d92d?page=37">increasing and casein are decreasing leading to d</a> increasing and casein are decreasing leading to d<a title="Efficient Milking booklet page 38" href="http://viewer.zmags.com/publication/7aa1d92d?page=38">Figure 28.Development of teatend thickness valu</a> Figure 28.Development of teatend thickness valu<a title="Efficient Milking booklet page 39" href="http://viewer.zmags.com/publication/7aa1d92d?page=39">Cow behaviour/ethologyA successful animal husban</a> Cow behaviour/ethologyA successful animal husban<a title="Efficient Milking booklet page 40" href="http://viewer.zmags.com/publication/7aa1d92d?page=40">The herdsman&rsquo;s behaviour could have direct econom</a> The herdsman&rsquo;s behaviour could have direct econom<a title="Efficient Milking booklet page 41" href="http://viewer.zmags.com/publication/7aa1d92d?page=41">V. Demands on the milking equipmentThe milkin</a> V. Demands on the milking equipmentThe milkin<a title="Efficient Milking booklet page 42" href="http://viewer.zmags.com/publication/7aa1d92d?page=42">Figure 30aDuring handmilking, themilk is presse</a> Figure 30aDuring handmilking, themilk is presse<a title="Efficient Milking booklet page 43" href="http://viewer.zmags.com/publication/7aa1d92d?page=43">&copy;Slight overpressureMouthpiec ospher</a> &copy;Slight overpressureMouthpiec ospher<a title="Efficient Milking booklet page 44" href="http://viewer.zmags.com/publication/7aa1d92d?page=44">Figure 31.Teat cup cluster showingcomponents.</a> Figure 31.Teat cup cluster showingcomponents.<a title="Efficient Milking booklet page 45" href="http://viewer.zmags.com/publication/7aa1d92d?page=45">&copy;Figure 32.Cutaway view of liner.1. M</a> &copy;Figure 32.Cutaway view of liner.1. M<a title="Efficient Milking booklet page 46" href="http://viewer.zmags.com/publication/7aa1d92d?page=46">Figure 33.Pulsation cycle, a=opening phase, b= </a> Figure 33.Pulsation cycle, a=opening phase, b= <a title="Efficient Milking booklet page 47" href="http://viewer.zmags.com/publication/7aa1d92d?page=47">It can be concluded that in order to maintain goo</a> It can be concluded that in order to maintain goo<a title="Efficient Milking booklet page 48" href="http://viewer.zmags.com/publication/7aa1d92d?page=48">Teat cup shell Teat cup shellThe t</a> Teat cup shell Teat cup shellThe t<a title="Efficient Milking booklet page 49" href="http://viewer.zmags.com/publication/7aa1d92d?page=49">The demands on the claw are manifold. The flow ra</a> The demands on the claw are manifold. The flow ra<a title="Efficient Milking booklet page 50" href="http://viewer.zmags.com/publication/7aa1d92d?page=50">Vacuum andpulsationFi</a> Vacuum andpulsationFi<a title="Efficient Milking booklet page 51" href="http://viewer.zmags.com/publication/7aa1d92d?page=51">Pulsation rate and ratio are parameters that also</a> Pulsation rate and ratio are parameters that also<a title="Efficient Milking booklet page 52" href="http://viewer.zmags.com/publication/7aa1d92d?page=52">Figure 37.Milking with EasyLinereduced the prob</a> Figure 37.Milking with EasyLinereduced the prob<a title="Efficient Milking booklet page 53" href="http://viewer.zmags.com/publication/7aa1d92d?page=53">VI. DeLaval conceptsFlow-controlled milkingD</a> VI. DeLaval conceptsFlow-controlled milkingD<a title="Efficient Milking booklet page 54" href="http://viewer.zmags.com/publication/7aa1d92d?page=54">Figure 38.The principal of theDeLaval milking u</a> Figure 38.The principal of theDeLaval milking u<a title="Efficient Milking booklet page 55" href="http://viewer.zmags.com/publication/7aa1d92d?page=55">meter MM15. The milk meter is an electronic meter</a> meter MM15. The milk meter is an electronic meter<a title="Efficient Milking booklet page 56" href="http://viewer.zmags.com/publication/7aa1d92d?page=56">Harmony unitFigure 40.Ha</a> Harmony unitFigure 40.Ha<a title="Efficient Milking booklet page 57" href="http://viewer.zmags.com/publication/7aa1d92d?page=57">VII. Future aspectsAutomatic milkingOne of t</a> VII. Future aspectsAutomatic milkingOne of t<a title="Efficient Milking booklet page 58" href="http://viewer.zmags.com/publication/7aa1d92d?page=58">Today there are different companies and institute</a> Today there are different companies and institute<a title="Efficient Milking booklet page 59" href="http://viewer.zmags.com/publication/7aa1d92d?page=59">LITERATURE* Biochemistry of lactation. 1983. </a> LITERATURE* Biochemistry of lactation. 1983. <a title="Efficient Milking booklet page 60" href="http://viewer.zmags.com/publication/7aa1d92d?page=60">www.delaval.com</a> www.delaval.com