The effect of bovine somatotropin in a sustained release preparation (Somidobove) on milk production of cows at pasture in New Zealand

Davis, Stephen R.; Breier, Bernhard H.; Gluckman, P. D.; Ball, GJ; Moore, D. G.; Macdonald, Kevin; Bryant, A. M.

doi:10.1080/00288233.1999.9513381

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Cited by 4 publications

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“…The use of bST in growing cattle has resulted in increased HH compared to untreated controls (McShane et al 1989;Grings et al 1990a;Hall et al 1994b). Exogenous bST administration has been used experimentally to stimulate IGF-1 production in cattle (Davis et al 1999;Cooke et al 2013;Innes et al 2016b). Crude protein intake affects IGF-1 concentration in the circulation but it is not clear what happens under a high CP but low energy intake nor whether bST injection can elevate IGF-1 under these conditions.…”

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confidence: 99%

Skeletal growth in cattle in response to nutritional and hormonal manipulation

Antari¹

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Section: Introductionmentioning

confidence: 99%

Skeletal growth in cattle in response to nutritional and hormonal manipulation

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Bovine somatotrophin stimulates milk production in red deer hinds

et al. 2009

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To determine its potential as a tool for studies of growth in suckling red deer calves, bovine somatotrophin (bST) was administered to lactating red deer hinds. The present study used twice-daily machine milking of bST-treated hinds (n = 10, 54 mg bST for 2 weeks then 108 mg for 1 week) and compared the milk yield with that of saline-treated controls (n = 9). Treatment with 54 mg bST tended to increase milk yield by ~16% and the 108-mg dose increased (P = 0.013) milk yield by ~32%. Both doses of bST increased (P < 0.05 and P < 0.001, respectively) plasma insulin-like growth factor-1 concentration but did not affect total solids or fat content of the milk, nor was there any effect on body condition score or liveweight of the hinds. This shows that milk production in red deer hinds is increased by administration of bST, which makes it a suitable experimental technique for investigating the lactational biology of red deer.

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