Ian stepped conference attendees through the role for feed additives in dairy rations, with a specific emphasis on those associated with management and control of rumen acidosis. Starting the presentation with an overview of ruminal acidosis, Ian stepped us through the definitions of clinical and sub-clinical acidosis and that acidosis is a continuum and is
Lance kick started the session with an over view of the GIT, and the impact of how overall health can stem from the GIT. He discusses the thickness of the rumen which can be > 10 layers thick, compared the intestinal wall which is much thinner. The intestinal track has adaptations to increase the nutrient
Ian introduced this session outlining the content of his presentation – extremely broad as an overview of both work done in this space previously, but also up and coming new work. A causal web that draws associations between nutrition, cow genetics, environmental factors and nutrient demands including lactation and pregnancy is an excellent slide used
Dr Ginny Dodunski highlighted how Cooperia and Ostertagia are now often resistant against triple active drenches. There are management options possible to reduce or avoid regular drench use without loss in growth. from holistic approaches with stock management, and strategic drench use there can still be impacts on performance due to the challenges around parasites.
Katie Saunders, previously worked with Dairy NZ, shared an overview of how the lameness calculator functions. The cost of lameness is beyond the inital drop in milk production. Katie shares how lameness the short term pain relief NZARN members a copy of the presentation is available below if you are logged in. Non-members looking for
Dr. Marjan Sprock, a registered and practising vet on the west coast, showcased a case study and the process in which she went through to diagnose a severe mycotoxin challenge. This step by step encounter was used as a case study to show the symptoms that arose, and the process taken to review and diagnose
Bone can be formed via two pathways: by straight bone formation or by a cartilage template that develops into bone. There are three types of bone cells: osteoblasts (make bone), osteoclasts (remove bone) and osteocysts (osteoblasts trapped in the matrix of bone that are weight bearing sensors). Bone is deposited at sites where it is
Mandi McLeod is an international consultant on animal welfare in the UK, USA, Australia and New Zealand. Mandi holds international certification from the Professional Animal Audit Certification Organisation (PAACO), and is a Cow Signals® Master, and is trained in animal sentience for expert witness testimony. Mandi has been involved with the expert review panel for
Trish is a consultant nutritionist based in Auckland, New Zealand. With an Honours degree in Agriculture from Nottingham University in UK and gained many years’ experience working in the UK dairy and animal feed industries before immigrating to New Zealand in 1997. After working as a nutritionist for Nutritech for 4 years and as a
Dr Megan Abeyta recently completed her PhD under the supervision of Lance Baumgard focused on the impact of inflammation. To set the scene, Dr. Abeyta outlines the importance of the GIT in every animal. With 70% of the immune system located in the GIT, any damage to the protection barrier throughout the track can lead
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