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Please use this identifier to cite or link to this item: http://hdl.handle.net/11019/274

Title: Effect of restricting silage feeding prepartum on time of calving, dystocia and stillbirth in Holstein-Friesian cows
Authors: Gleeson, David E
O'Brien, Bernadette
Mee, John F
Keywords: dairy cows
calving
silage feeding
dystocia
stillbirth
Issue Date: 1-Nov-2007
Publisher: Biomed Central
Citation: David E Gleeson, Bernadette O'Brien and John F Mee. Effect of restricting silage feeding prepartum on time of calving, dystocia and stillbirth in Holstein-Friesian cows. Irish Veterinary Journal 2007, 60:667-671 doi:10.1186/2046-0481-60-11-667
Series/Report no.: Irish Veterinary Journal
Abstract: A study was carried out to investigate the effect of restricting silage feeding on time of calving and calving performance in Holstein-Friesian cows. In the treatment group (n = 1,248 cows, 12 herds) silage feeding commenced in the evening (17:00 to 20:00 h), after a period of restricted access (2 to 10 h) while in the control group ad-libitum access to silage was provided over the 24 h period (n = 1,193 cows, 12 herds). Daytime and nighttime calvings were defined as calvings occurring between the hours of 06:30 and 00:29 and between 00:30 and 06:29, respectively. Restricting access to silage resulted in less calvings at night compared to cows with ad-libitum access to silage (18 vs 22%, P < 0.05). Cows with restricted access to silage had a higher percentage of difficult calvings (11 vs 7%, P < 0.001) and stillbirths (7 vs 5%, P < 0.05) compared to cows in the control group. The percentage of calvings at night was lower (13%) when access to silage was restricted for 10 h compared to 2, 4 or 6 h (22, 18, 25%, respectively) (P < 0.001). Calf sire breed, calf gender or cow parity did not influence time of calving. In conclusion, offering silage to pregnant Holstein-Friesian cows in the evening, after a period of restricted access, reduced the incidence of nighttime calvings, but increased the incidence of dystocia and stillbirth.
Description: peer-reviewed
URI: http://hdl.handle.net/11019/274
http://dx.doi.org/10.1186/2046-0481-60-11-667
Appears in Collections:Animal & Bioscience
Livestock Systems
Teagasc publications in Biomed Central

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