new research debunks trad views on nutrition

Back in the 1990s I was fostering rabbits from the local humane society, and I learned essentially the same thing. The standard feed companies tailor their feed to short-lived rabbits or chickens for quick growth, because short life is expected.
Sadly, studies generally have the same bias. They tend to be very short, generally involve only commercially important breeds, and focus on the commercially important span of their lives.

Its why we know so many things are MINIMUM recommendations. If lesser amounts cause adverse health consequences or even "failure to thrive" in such a short time period, we can be reasonably confident that our usually longer kept, generally not "commercially-important" breeds, are likely to fare at least as poorly over their own lifespans if those minimums aren't met. Finding Maximum intakes (apart from Calcium) is even less studied.

Or, you can do as Perris and others do, provide true variety, and reasonably anticipate that your birds will (largely successfully) self-regulate intake. You can also reasonably decide that "less than perfect" is good enough for your flock. I do it myself.
 
on a related subject, I was surprised to read recently "did you know that the most water-intensive 'crop' in the US is, pointless as this might seem, lawn grass? The country's lawns and golf courses are estimated to account for 1.9 per cent of the US and this grass requires more watering than American farmers expend on corn, rice, fruits and nuts put together." Sverdrup-Thygeson Tapestries of Life Harper Collins 2021 chapter 2.
 
I wonder which one we use in Australia?
Cause hubby is dead kean on spraying weeds to death.
My penny thought : Tell him you don’t want this anymore. And why. Bring the poison back to the shop or to the waste station as toxic waste before your husband is actually going to use it. Buy him a him a weed burner instead. Wrapped in beautiful gift paper.
 

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