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The Veterinary Record|June 18, 2014
Financial aspects of veterinary herd health management programmesV I Ifende, M Derks, G A Hooijer, et al.The Veterinary Quarterly|February 17, 1999
Treatment of cystic ovarian disease in dairy cows with gonadotrophin-releasing hormone: a field studyG A Hooijer, K Frankena, M M Valks, et al.The Veterinary Record|October 17, 2001
Fertility parameters of dairy cows with cystic ovarian disease after treatment with gonadotrophin-releasing hormoneG A Hooijer, M A van Oijen, K Frankena, et al.DTW. Deutsche Tierarztliche Wochenschrift|January 15, 2005
Rumenocentesis (rumen puncture): a viable instrument in herd health diagnosisJ L Kleen, G A Hooijer, J Rehage, et al.Journal of Veterinary Medicine. A, Physiology, Pathology, Clinical Medicine|November 25, 2003
Subacute ruminal acidosis (SARA): a reviewJ L Kleen, G A Hooijer, J Rehage, et al.The Veterinary Record|June 2, 2009
Subacute ruminal acidosis in Dutch dairy herdsJ L Kleen, G A Hooijer, J Rehage, et al.Preventive Veterinary Medicine|October 17, 2015
The validity of a monitoring system based on routinely collected dairy cattle health data relative to a standardized herd checkH Brouwer, J A Stegeman, J W Straatsma, et al.Journal of Veterinary Medicine. A, Physiology, Pathology, Clinical Medicine|July 30, 2005
Influence of negative energy balance on the reproductive performance after treatment of cystic ovarian disease with gonadotrophin-releasing hormone in dairy cowsG A Hooijer, M A A J van Oijen, K Frankena, et al.Journal of Dairy Science|May 27, 2014
Short communication: prevalence, risk factors, and a field scoring system for udder cleft dermatitis in Dutch dairy herdsR G M Olde Riekerink, K van Amersfort, O C Sampimon, et al.Journal of Dairy Science|February 24, 2001
Genetic parameters for cystic ovarian disease in dutch black and white dairy cattleG A Hooijer, R B Lubbers, B J Ducro, et al.Pageof 2