Head Shepherd

• How Do You Breed Short-Tailed Sheep? with Marnie Hodge

  What do the genetics of tail length and the genetics of semen quality have in common? Not much, except that our guest, Marnie Hodge, Sheep Genetics Senior Development Officer, has researched them both.Tail length is moderately to highly heritable, but in her research, Marnie found that measuring tail length in centimetres versus a scored system gives you far more accuracy and picks up significantly more genetic variation, which means faster rates of genetic gain if you're selecting for it.But what's actually changing when tails get shorter? Are we dropping vertebrae or just shortening bones? And what about correlations with body structure? Marnie explains what we know, what we don't, and why we don't have a tail length breeding value quite yet. On the opposite end of the scale, as with all reproduction traits, semen quality is lowly heritable. Marnie's research, "Heritability and Genetic Parameters for Semen Traits in Australian Sheep", showed that most of the variation in AI success wasn't down to motility, but more down to the variation in ewe management on each farm. So what does that mean for the establishment of a potential future breeding value? Marnie explains on the podcast. Plus Marnie gives us some updates on what's coming from Sheep Genetics and the combined analysis.Head Shepherd is brought to you by neXtgen Agri International Limited. We help livestock farmers get the most out of the genetics they farm with. Get in touch with us if you would like to hear more about how we can help you do what you do best: [email protected] to our sponsors at MSD Animal Health and Allflex, and Heiniger Australia and New Zealand. Please consider them when making product choices, as they are instrumental in enabling us to bring you this podcast each week.Check out Heiniger's product range HERECheck out the MSD range HERECheck out Allflex products HERE

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• Growing More Grass and Turning It Into Growth with Bevan Ravenhill

  How simple rotations and tight feed management lift whole farm performance.Mark chats with Bevan Ravenhill, WA General Manager for Lawson Angus  WA, to talk about what really drives a productive grazing business. Bevan grew up on a dairy farm, and that early training in grass, rotation, and pressure has shaped the way he now runs sheep and beef across a mixed enterprise.Bevan explains how a simple rotation, tight feed management and a focus on leaf stage have transformed grass utilisation on the farm. He talks through how their accelerated lambing system works in practice, why confinement feeding has become such a reliable tool, and how silage underpins the whole engine when feed becomes tight.On the cattle side, Bevan shares the shift to moderate, efficient Angus cows and the lessons learnt from years of collecting real on-farm data. He digs into maternal efficiency, cow size, raw phenotypes and why consistency matters more than chasing extremes. They also cover spring calving, OptiWeigh and the role of pressure testing cattle rather than compensating for them.Tune in to hear some great insights from someone who has spent a lifetime thinking about how to turn grass into kilograms.Head Shepherd is brought to you by neXtgen Agri International Limited. We help livestock farmers get the most out of the genetics they farm with. Get in touch with us if you would like to hear more about how we can help you do what you do best: [email protected] to our sponsors at MSD Animal Health and Allflex, and Heiniger Australia and New Zealand. Please consider them when making product choices, as they are instrumental in enabling us to bring you this podcast each week.Check out Heiniger's product range HERECheck out the MSD range HERECheck out Allflex products HERE

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• How to Start a Cattle Business with Summit Livestock

  Ever wondered what it takes to build a succesfull seedstock buisness from the ground up? Well, this is the podcast for you. This week, Mark chats with Jasmine and Hayden Green, owners of Summit Livestock, about how they built their Angus and Limousin seedstock business from the ground up (and the challenges they faced), the importance of crossbreeding for production, how they balance phenotype with data, and the challenges of getting started without your own land.Jasmine and Hayden have built a successful dual-breed business, and they run us through the decision to run both breeds and the advantages of crossbreeding for both themselves and their clients. They also discuss the importance of embryo transfer in expanding their herd while keeping genetic quality at the forefront.Head Shepherd is brought to you by neXtgen Agri International Limited. We help livestock farmers get the most out of the genetics they farm with. Get in touch with us if you would like to hear more about how we can help you do what you do best: [email protected] to our sponsors at MSD Animal Health and Allflex, and Heiniger Australia and New Zealand. Please consider them when making product choices, as they are instrumental in enabling us to bring you this podcast each week.Check out Heiniger's product range HERECheck out the MSD range HERECheck out Allflex products HERE

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• Financial skills for more profitable farming with David Egerton-Warburton

  Accounting may not be every farmer’s favourite topic, but it is one of the most powerful tools on the farm. This week’s Head Shepherd guest, David Egerton-Warburton, explains why.Raised on a sixth-generation farm in Kojonup, Western Australia, David learned early that every on-farm decision ties back to sound business practice. His father, Kent, founded Agrimaster in 1981, bringing farm records into the computer age long before most households had a computer, and David and his wife have been joint CEOs since 2001.David and Mark Ferguson discuss budgeting, risk control and decision making, and why financial literacy separates good farmers from great farming businesses. As David says, “The most successful growers aren’t that much better from a production point of view… what we really see is the difference in the ability to take risks because they can control them.” Listen to the episode to learn how to turn your farm numbers into a roadmap for success and take control of the risks that matter.https://www.agrimaster.com.au/Head Shepherd is brought to you by neXtgen Agri International Limited. We help livestock farmers get the most out of the genetics they farm with. Get in touch with us if you would like to hear more about how we can help you do what you do best: [email protected] to our sponsors at MSD Animal Health and Allflex, and Heiniger Australia and New Zealand. Please consider them when making product choices, as they are instrumental in enabling us to bring you this podcast each week.Check out Heiniger's product range HERECheck out the MSD range HERECheck out Allflex products HERE

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• Trust and Farm Advice with Dr Ruth Nettle

  What makes farmers change? And what holds them back? Our guest this week, Dr Ruth Nettle, has spent 25 years studying just that. Ruth has spent her career looking into how people in agriculture learn, adapt, and lead.Now leading the Rural Innovation Research Group at the University of Melbourne, Ruth has seen how agricultural extension, advisory networks, and rural communities have evolved through time. In this episode, she and Ferg chat about trust, workforce challenges, and what the future of extension looks like in a more commercial and tech-driven world.They talk about what makes a great employer in agriculture, why a positive team culture matters more than pay, and how farms can attract and retain staff in a global skills shortage. Ruth also shares her thoughts on AI in agriculture, the importance of human-to-human learning, and what Australia could take from extension systems overseas.If you work with farmers, lead a team, or care about the people side of farming, this episode offers great insight into agricultural workforce development, rural leadership, and the evolving role of extension in agriculture today.Head Shepherd is brought to you by neXtgen Agri International Limited. We help livestock farmers get the most out of the genetics they farm with. Get in touch with us if you would like to hear more about how we can help you do what you do best: [email protected] to our sponsors at MSD Animal Health and Allflex, and Heiniger Australia and New Zealand. Please consider them when making product choices, as they are instrumental in enabling us to bring you this podcast each week.Check out Heiniger's product range HERECheck out the MSD range HERECheck out Allflex products HERE

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