The importance of feeding during milking and take off level for milk yield, milking time, milk flow and udder emptying in the Automatic Milking System

作者: Carlos Prieto Jimenez

DOI:

关键词: MilkingStatistical differenceMathematicsBarn (unit)Milk flowUdderAnimal husbandryMilk yieldAnimal scienceAutomatic milking

摘要: Feeding during milking has been observed to increase milk yield and flow, decrease time. High take off levels compared low levels, measured as g/min at the end of also reported flow. However it is not known how a combination two routines influences parameters yield, time The hypothesis tested was that feeding high flow time, producing higher efficiency. A crossover study design used with four treatments, groups, periods. treatments were level 800 + milking, no feeding, 200 g feeding. All cows got all treatments. experiment lasted for weeks each period one week. 32 Swedish Red belonging same barn participated in experiment. Parlor data captured, summarized, analyzed from 2322 separate sessions. There statistical difference between yield. significantly lower when used, reduced 51.3 seconds average per cow milking. increased level. did affect or level, while tendency shorter fed concentrate There effect on udder emptying due treatment. In conclusion automatic cluster removal offers an important potential opportunity parlor efficiency commercial dairy herds.

参考文章(11)
J.A. Jacobs, J.M. Siegford, Invited review: The impact of automatic milking systems on dairy cow management, behavior, health, and welfare Journal of Dairy Science. ,vol. 95, pp. 2227- 2247 ,(2012) , 10.3168/JDS.2011-4943
I. Halachmi, J.H.M. Metz, E. Maltz, A.A. Dijkhuizen, L. Speelman, Designing the Optimal Robotic Milking Barn, Part 1: Quantifying Facility Usage Journal of Agricultural Engineering Research. ,vol. 76, pp. 37- 49 ,(2000) , 10.1006/JAER.1999.0524
M. Speroni, G. Pirlo, S. Lolli, Effect of automatic milking systems on milk yield in a hot environment Journal of Dairy Science. ,vol. 89, pp. 4687- 4693 ,(2006) , 10.3168/JDS.S0022-0302(06)72519-X
Morten D. Rasmussen, Influence of switch level of automatic cluster removers on milking performance and udder health. Journal of Dairy Research. ,vol. 60, pp. 287- 297 ,(1993) , 10.1017/S0022029900027631
R.M. Bruckmaier, J.W. Blum, Oxytocin Release and Milk Removal in Ruminants Journal of Dairy Science. ,vol. 81, pp. 939- 949 ,(1998) , 10.3168/JDS.S0022-0302(98)75654-1
I. Halachmi, S. Ofir, J. Miron, Comparing two concentrate allowances in an automatic milking system Animal Science. ,vol. 80, pp. 339- 343 ,(2005) , 10.1079/ASC40480339
R. Bijl, S.R. Kooistra, H. Hogeveen, The profitability of automatic milking on Dutch dairy farms. Journal of Dairy Science. ,vol. 90, pp. 239- 248 ,(2007) , 10.3168/JDS.S0022-0302(07)72625-5
H Hogeveen, W Ouweltjes, C.J.A.M de Koning, K Stelwagen, Milking interval, milk production and milk flow-rate in an automatic milking system Livestock Production Science. ,vol. 72, pp. 157- 167 ,(2001) , 10.1016/S0301-6226(01)00276-7