scholarly journals Effect of dry period length on reproduction, health and milk production in the subsequent lactation of Holstein cows

2009 ◽  
Vol 19 (2) ◽  
pp. 62-73
Author(s):  
M. M. Hussein
Keyword(s):  
Milk Production ◽  
Period Length ◽  
Holstein Cows ◽  
Dry Period

Effects of dry period length on milk production and composition in early lactating Holstein cows

2009 ◽  
Vol 2009 ◽  
pp. 131-131
Author(s):  
A Soleimani ◽  
A Heravi Moussavi ◽  
M Danesh Mesgaran ◽  
S Safa
Keyword(s):  
Retrospective Analysis ◽  
Milk Production ◽  
Milk Yield ◽  
Metabolic Disorders ◽  
Period Length ◽  
Holstein Cows ◽  
Dry Period ◽  
Nutritional Strategy

Recently, there has been an interest in shortening the non-income-producing dry period (DP). Retrospective analysis of farm data and planned experiments both indicate about a 5 to 6% loss in milk yield during the subsequent lactation when the DP is reduced by approximately 30 d (Rastani et al., 2005). Additional milk produced during the extra 30 d of lactation can compensate for some of the loss in the subsequent lactation. There are, however, some advantages to reducing the dry period length, including increased income from milk in the current lactation, simplified management of dry cows through movement toward a one-group nutritional strategy, decreased metabolic disorders, and reduced strain on dry cow facilities. The aim of this study was to determine the effects of dry period length on milk production and composition in early lactating Holstein cows.

scholarly journals Effects of dry period length on follicular dynamics in early lactating Holstein cows

2009 ◽  
Vol 2009 ◽  
pp. 134-134
Author(s):  
A Soleimani ◽  
A Heravi Moussavi ◽  
M Danesh Mesgaran ◽  
S Safa
Keyword(s):  
Dairy Cow ◽  
Detrimental Effect ◽  
Good Reason ◽  
Period Length ◽  
Holstein Cows ◽  
Dry Period ◽  
Management Change ◽  
Lactating Cows ◽  
Current Advice ◽  
Follicular Dynamics

For profitable production of milk, a nonlactating or dry period is established between lactations of dairy cow. There has been substantial recent interest in shortening dry periods. Physiological studies show that the changes the udder goes through to prepare for the next lactation take about three weeks, and yet current advice is that the most appropriate dry period for a modern dairy cow is 45 to 60 days. More recent studies show good reason to question that advice, and suggest dry periods of 30 to 35 days have no detrimental effect on production, but information relating the effects of dry period to subsequent reproductive performance of lactating cows is sparse (Grummer, 2007). Also, the effect of this management change on follicular dynamic has not been adequately evaluated. Therefore, the objective of the present study was to determine the effects of dry period length on follicular dynamics in early lactating Holstein cows.

scholarly journals Effect of Dry Period Length on Holstein Milk Production and Selected Disorders at Parturition

1974 ◽  
Vol 57 (6) ◽  
pp. 712-718 ◽  
Author(s):  
C.E. Coppock ◽  
R.W. Everett ◽  
R.P. Natzke ◽  
H.R. Ainslie
Keyword(s):  
Milk Production ◽  
Period Length ◽  
Dry Period

scholarly journals Effects of Dry Period Length on Milk Production and Health of Dairy Cattle

2008 ◽  
Vol 91 (7) ◽  
pp. 2595-2603 ◽  
Author(s):  
R.D. Watters ◽  
J.N. Guenther ◽  
A.E. Brickner ◽  
R.R. Rastani ◽  
P.M. Crump ◽  
...  
Keyword(s):  
Dairy Cattle ◽  
Milk Production ◽  
Period Length ◽  
Dry Period

The effect of days dry on milk production and fertility in subsequent lactation of high producing Holstein cows

2009 ◽  
Vol 2009 ◽  
pp. 133-133
Author(s):  
S Danesh Mesgaran ◽  
A Heravi Moussavi ◽  
G Koolabadi ◽  
A Banikamali
Keyword(s):  
Milk Production ◽  
Milk Yield ◽  
Present Experiment ◽  
Detrimental Effect ◽  
Holstein Cows ◽  
Dry Period

Several studies have indicated that reducing the length of the dry period to less than 60 days had a more detrimental effect between the first and second lactation than between later lactations (Annen et al., 2004). Other studies demonstrated that a dry period less than 40 days reduces milk yield in the subsequent lactation (Sørensen and Enevoldsen., 1991). Several experiments designed to examine the effects of reducing the days dry to approximately 4 weeks have shown no difference in milk production and/or fat corrected milk in the subsequent lactation (Gulay et al., 2003). The aim of the present experiment was to determine the effect of days dry (from 10 to 90 days, 10 days interval) on subsequent milk production and fertility of high producing Iranian Holstein cows.

scholarly journals Effect of Dry Period Length on Milk Production in Subsequent Lactation

1991 ◽  
Vol 74 (4) ◽  
pp. 1277-1283 ◽  
Author(s):  
Jan Tind Sørensen ◽  
Carsten Enevoldsen
Keyword(s):  
Milk Production ◽  
Period Length ◽  
Dry Period
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