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by looking at that documentation (in german) about indian old-age homes for cattle (Gaushala-here a website of one random found) I felt that I should have a look at the birthrate of feedstock. I mean there are birthrates of humans, but what about the birthrates of animals and in particular feedstock and similar? Googling revealed nothing. Where does one find statistics about this topic?
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Perhaps it's easier to find statistics about meat consumption, and work backwards from there (for an average animal) to get an underestimate. I suppose you are mainly interested in the birthrate eventually leading to adult (or rather juvenile) animals. For example, I seem to remember that in poultry production males are often killed as soon after birth as possible, so I guess you don't necessarily want to count those as well.
Perhaps vegetarian movements and animal right movements have more information about number of feedstock.
Perhaps it's easier to find statistics about meat consumption, and work backwards from there (for an average animal) to get an underestimate. I suppose you are mainly interested in the birthrate eventually leading to adult (or rather juvenile) animals. For example, I seem to remember that in poultry production males are often killed as soon after birth as possible, so I guess you don't necessarily want to count those as well. Perhaps vegetarian movements and animal right movements have more information about number of feedstock.I guess I was just trying to get an overview about the number of bigger animals as inhabitants of this planets. I mean one usually looks at human population developments (birthrates, deathrates/lifetimes) especially in the context of how to nourish all that people. But bigger animals certainly also need to be fed and that food may -depending on scarcity of ressources- be in competition with human food. The animal wildlife seems rather limited to certain inhabitats, so here one has I guess an estimate on food consuption via area use. But for feedstock and similar this estimate seems not so easy. Calculating back from meat cosumption is certainly an indicator, but then there is e.g. also milk and leather production and zoos and pets and things like the Gauschalas and it looks not so easy to estimate how much ressources these animals need and what their importance in general in terms of food competition and in particular for human food and other products is.
As an example, telling by the above video the cattle in this Gauschala in the video look rather well fed, whereas there is human hunger in India.
>Perhaps it’s easier to find statistics about meat consumption, and work backwards from there (for an average animal) to get an underestimate. I suppose you are mainly interested in the birthrate eventually leading to adult (or rather juvenile) animals. I guess I was just trying to get an overview about the number of bigger animals as inhabitants of this planets. I mean one usually looks at human population developments (birthrates, deathrates/lifetimes) especially in the context of how to nourish all that people. But bigger animals certainly also need to be fed and that food may -depending on scarcity of ressources- be in competition with human food. The animal wildlife seems rather limited to certain inhabitats, so here one has I guess an estimate on food consuption via area use. But for feedstock and similar this estimate seems not so easy. Calculating back from meat cosumption is certainly an indicator, but then there is e.g. also milk and leather production and zoos and pets and things like the Gauschalas and it looks not so easy to estimate how much ressources these animals need and what their importance in general in terms of food competition and in particular for human food and other products is. As an example, telling by the above video the cattle in this Gauschala in the video look rather well fed, whereas there is <a href="https://en.wikipedia.org/wiki/India_State_Hunger_Index">human hunger</a> in India.In the context of ressource shortages here a citation from the document: Groundwater made easy – Understanding the basics (p.23):
You may also want to read the section right before the citation, which explains the difficulties in control over groundwater levels and this comment about the availability of data regarding groundwater levels and <a href="http://forum.azimuthproject.org/discussion/203/methane/?Focus=9603#Comment_9603>this comment about rice production and methane release in India.
In the context of ressource shortages here a citation from the document: <a href="http://www.indiawaterportal.org/sites/indiawaterportal.org/files/Groundwater_Frequently%20Asked%20Questions_MKMaitra_2011.pdf">Groundwater made easy – Understanding the basics </a>(p.23): >The National Water Policy, 2002 recognized over-exploitation of groundwater in the country and suggested broad measures like assessment, regulation, recharge, conjunctive use etc. It laid down priority of drinking water over irrigation and suggested private sector participation and community management of water resources. You may also want to read the section right before the citation, which explains the difficulties in control over groundwater levels and <a href="http://forum.azimuthproject.org/discussion/203/methane/?Focus=9604#Comment_9604">this comment about the availability of data regarding groundwater levels</a> and <a href="http://forum.azimuthproject.org/discussion/203/methane/?Focus=9603#Comment_9603>this comment about rice production and methane release in India.</a>Frederick sorry the links contain some unvalid XML, I have not the time to find out about the correct escape sequences. I hope you can read this anyway.
Frederick sorry the links contain some unvalid XML, I have not the time to find out about the correct escape sequences. I hope you can read this anyway.Hi! We have an actual professional on this topic, she's just finished her PhD in this very topic and joined ISI! She modeled live stock in Africa and epidemics in her PhD and comes from a medical background.
I mentioned this post to her and from her responce, I think she can provide a bit of information. I think in her model, the starting place is something along the lines of the SIR models considered in the network theory series (which by the way, I'm going to work on one that has spacial degrees of freedom soon).
I saw her reading a book on ecology so I'm going to take my book on "essential mathematical biology" by Nicholas F. Britton in on Monday and try to talk with her more about this stuff.
Hi! We have an actual professional on this topic, she's just finished her PhD in this very topic and joined ISI! She modeled live stock in Africa and epidemics in her PhD and comes from a medical background. I mentioned this post to her and from her responce, I think she can provide a bit of information. I think in her model, the starting place is something along the lines of the SIR models considered in the network theory series (which by the way, I'm going to work on one that has spacial degrees of freedom soon). I saw her reading a book on ecology so I'm going to take my book on "essential mathematical biology" by Nicholas F. Britton in on Monday and try to talk with her more about this stuff.