One of the problems with goats is they have a habit of butting in.
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But in the case of an on-farm live show broadcasted on social media, the mammals' mischievous ways make for good entertainment.
"Goats are curious, they jump up and do unpredictable things like nibbling at our pants while we're recording," he said.
"They're still allowed to have corona-cuddles.
"I think people have a real yearning at the moment to see something different that they can interact with.
"When you're a small business, you need to be a bit creative and engage with people different ways - I thought, no one is getting out and about, if they can watch us goofing off for 15 minutes that might be something enjoyable."
Followers of Tolpuddle Goat Cheese and Farm Foods have watched Donovan and wife Melissa milk the goats, explain uses for their various products and even hold a prime minister-style press conference about COVID-19.
"The first time we did it, the constant comment we got from people was 'hey, show us some goats!'," Mr Jacka said.
"This week I can guarantee goats.
"We'll probably keep doing it every Sunday night until we can start having people back on the farm."
In mid-March the Tarrawingee farm-gate ceased functions while staying open for retail sales, but as social restrictions tightened Tolpuddle closed to all visitors.
"The catalyst was the farmers' markets started to really wind back and stopped being about social interaction," Mr Jacka said.
"Once that died, we thought if we want to remain viable and sustainable, we're going to have to look at our business model."
That model now includes Mr Jacka delivering orders four days a week.
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"We do an Albury run, leaving home and going through Beechworth, we do Rutherglen, the Alpine area, and Yarrawonga/Benalla - it's the four-leaf clover of the North East and Border," Mr Jacka said.
"We working with another four or five providers who are in their 60s and 70s who shouldn't be out there delivering or don't have the skills to set up an online shop."
With the new approach and Tolpuddle TV reaching more people than ever, the Jackas hope to stay busy when milk volume drops off during winter.
"It has been so well-received, which is great," Mr Jacka said.
"We think it's really important to reach out to everyone."
