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The paper is a meta-analysis, it’s not trying to calculate those things at all. It’s collating and standardising the results of other studies doing that. To take Ridoutt et al 2011 as an example because it’s the first beef one that comes up in the dataset, regarding feedlots:
In the feedlot subsystem, water and energy use was calculated using data reported in a benchmarking study of Australian beef cattle feedlots (Davis and Wiedemann 2009). The composition of the feedlot ration was based on detailed, multi-year records provided confidentially by a large feedlot operator. Consumptive water use associated with the production of each feed component was calculated using national statistics (ABS 2008a,2008b) and various CSIRO data sources (e.g. Ridoutt and Poulton 2010). The EcoInvent v2 database (http://www.ecoinvent.org) was the source of water use information for mineral supplements (<0.01% by mass). The feedlot operator also provided data on the transportation distances of the feed components which were used to calculate fuel use in transporting commodities to the feedlot.
It’s depending on the work of the 1,530 source papers to calculate the inputs appropriately. You would know this if you had looked at the paper, so where did you get the idea that it is as you described?
the paper tries to quantify all the inputs and outputs for foods, but it fails to actually calculate either the actualy outputs (like non-food animal products), or the actual costs of the inputs (many of which would be waste products)
Emphasis mine, of course. The remaining four-fifths of your comment focussed entirely on inputs too. The paper does not do this and never intended or claimed to. It collates the work of other papers that did it. Why tell such an obvious lie? Your comment is literally right there
Is it fuck. You complained about their methodology and then went on to cite an example of a problematic methodology that they simply did not use. You have not read the paper.
Alright, point me to the page of the study or the line of the database that counts the full water usage of cottonseed in beef production. Should be easy for you.
you know as well as I do that the meta analysis is depending on studies that do exactly what I said, and relying on papers that employ a flawed methodology is, itself, a flawed methodology.
The paper is a meta-analysis, it’s not trying to calculate those things at all. It’s collating and standardising the results of other studies doing that. To take Ridoutt et al 2011 as an example because it’s the first beef one that comes up in the dataset, regarding feedlots:
It’s depending on the work of the 1,530 source papers to calculate the inputs appropriately. You would know this if you had looked at the paper, so where did you get the idea that it is as you described?
the conclusion is “beef produces 85kg co2e”. it’s calculating exactly what I said.
Emphasis mine, of course. The remaining four-fifths of your comment focussed entirely on inputs too. The paper does not do this and never intended or claimed to. It collates the work of other papers that did it. Why tell such an obvious lie? Your comment is literally right there
this is splitting hairs.
Is it fuck. You complained about their methodology and then went on to cite an example of a problematic methodology that they simply did not use. You have not read the paper.
I have and you are splitting hairs about this
Alright, point me to the page of the study or the line of the database that counts the full water usage of cottonseed in beef production. Should be easy for you.
you know as well as I do that the meta analysis is depending on studies that do exactly what I said, and relying on papers that employ a flawed methodology is, itself, a flawed methodology.
I already gave you an example of one of the papers it’s relying on, and it clearly isn’t doing that. Which ones are?