Validation of a portable ultrasound machine for estimating sole thickness in dairy cattle in New Zealand

References

• Alawneh , J I , Laven , R A and Stevenson , M A . 2011 . The effect of lameness on the fertility of dairy cattle in a seasonally breeding pasture-based system . Journal of Dairy Science , 94 : 5487 – 93 .
   PubMed Web of Science ®Google Scholar
• Altman , D and Bland , J M . 1983 . Measurement in medicine: the analysis of method comparison studies . The Statistician , 32 : 307 – 17 .
   Google Scholar
• Bland , J M and Altman , D G . 1986 . Statistical methods for assessing agreement between two methods of clinical measurement . Lancet , i : 307 – 10 .
   Web of Science ®Google Scholar
• Budras , K D , Habel , Mulling , C H and Horowitz , A . 1996 . Rate of keratinization of the wall segment of the hoof and its relation to width and structure of the zona alba (white line) with respect to claw disease in cattle . American Journal of Veterinary Research , 57 : 444 – 55 .
   PubMed Web of Science ®Google Scholar
• Dewes , H F . 1978 . Some aspects of lameness in dairy herds . New Zealand Veterinary Journal , 26 : 57 – 59 .
   Web of Science ®Google Scholar
• Greenough , P R , Vermunt , J J , McKinnon , J J , Fathy , F A , Berg , P A and Cohen , R DH . 1990 . Laminitis-like changes in the claws of feedlot cattle . Canadian Veterinary Journal , 31 : 202 – 8 .
   PubMed Web of Science ®Google Scholar
• Harris , R D and Marks , W M . 2009 . Compact ultrasound for improving maternal and perinatal care in low-resource settings: Review of the potential benefits, implementation challenges, and public health issues . Journal of Ultrasound in Medicine , 28 : 1067 – 76 .
   PubMed Web of Science ®Google Scholar
• Kofler , J , Kübber , P and Henninger , W . 1999 . Ultrasonographic imaging and thickness measurement of the sole horn and the underlying soft tissue layer in bovine claws . Veterinary Journal , 157 : 322 – 31 .
   PubMed Web of Science ®Google Scholar
• Laven , R A , Lawrence , K E , Weston , J F , Dowson , K R and Stafford , K J . 2008 . Assessment of the duration of the pain response associated with lameness in dairy cows, and the influence of treatment . New Zealand Veterinary Journal , 56 : 210 – 7 .
   PubMed Web of Science ®Google Scholar
• Laven , L J , Margerison , J K and Laven , R A . 2010 . Measurement of sole thickness and the distance to distal phalanx using a portable ultrasound machine . Proceedings of New Zealand Society of Animal Production , 70 : 240 – 2 .
   Google Scholar
• Lischer , C J , Ossent , P , Räber , M and Geyer , H . 2002 . Suspensory structures and supporting tissues of the third phalanx of cows and their relevance to the development of typical sole ulcers (Rusterholz ulcers) . Veterinary Record , 151 : 694 – 8 .
   PubMed Web of Science ®Google Scholar
• Livesey , C and Laven , R A . 2007 . Effects of housing and methionine intake on the growth and wear of hoof horn and the conformation of first-lactation Holstein heifers . Veterinary Record , 160 : 470 – 6 .
   PubMed Web of Science ®Google Scholar
• Mason , W A , Laven , L J and Laven , R A . 2012 . An outbreak of toe ulcers, sole ulcers and white line disease in a group of dairy heifers immediately after calving . New Zealand Veterinary Journal , 60 : 76 – 81 .
   PubMed Web of Science ®Google Scholar
• Peeler , E. J. , Otte , M. J. and Esslemont , R. J. 1994 . Inter-relationships of periparturient diseases in dairy cows . Veterinary Record , 134 : 129 – 32 .
   PubMed Web of Science ®Google Scholar
• Telezhenko , E , Bergsten , C , Magnusson , M and Nilsson , C . 2009 . Effect of different flooring systems on claw conformation of dairy cows . Journal of Dairy Science , 92 : 2625 – 33 .
   PubMed Web of Science ®Google Scholar
• *Toussaint , E Raven . 1985 . “ Cattle footcare and claw trimming ” . Ipswich , UK : Farming Press Ltd. .
   Google Scholar
• Tranter , W P and Morris , R S . 1992 . Hoof growth and wear in pasture-fed dairy cattle . New Zealand Veterinary Journal , 40 : 89 – 96 .
   PubMed Web of Science ®Google Scholar
• van Amstel , S R and Shearer , J K . 2001 . Abnormalities of hoof growth and development . The Veterinary Clinics of North America Food Animal Practice Lameness , 17 : 73 – 91 .
   PubMed Web of Science ®Google Scholar
• van Amstel , S R , Palin , F L , Shearer , J K and Robinson , B F . 2002 . Anatomical measurement of sole thickness in cattle following application of two different trimming techniques . Bovine Practitioner , 36 : 136 – 40 .
   Google Scholar
• van Amstel , S R , Palin , F L , Rorhbach , B W and Shearer , J K . 2003 . Ultrasound measurement of sole horn thickness in trimmed claws of dairy cows . Journal of American Veterinary Medical Association , 223 : 492 – 4 .
   PubMed Web of Science ®Google Scholar
• van Amstel , S R , Shearer , J K and Palin , F L . 2004 . Moisture content, thickness, and lesions of sole horn associated with thin soles in dairy cattle . Journal of Dairy Science , 87 : 757 – 63 .
   PubMed Web of Science ®Google Scholar