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Karen Dykes
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2021-12-08
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passed on August 08, 2024 at 14:06
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  • saliva might be revealing. Some ruminants secrete quite a lot of urea in the saliva + make use of this as a source of nitrogen Thompson has been working on growth in sheep + bone used height at whithers, breadth behind the shoulders, chest-rump length + length of head, crown to snout. They find that growth in height stops early whereas growth in length is still continuing at 4 years breadth behind shoulders is best indication of condition - ie weight, Difference in head length between deer [word crossed out] sheep on a HH + an LL diet is about 5 mm [millimetres] but is clearly discernible by eye + is a good indication of general growth. They have found also that tooth replacement on the LL diet lags about 1 tooth behind those on HH diet. Their dietary levels are factually unknown. + the work can be criticized on that basis. They do not know the protein intake at either level. Growth deficiencies on the L.L. diet are not made up. One of the things we must determine is the age at which growth ceases on diff. [different] planes of nutrition + in the diff [different] sexes To what extent does the animal compensate for dietary deficiencies by postponing maturity + concentrating on growth. Marginalia: deer.
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