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Revista Veterinaria Zacatecas 2005 - Universidad Autónoma de ...

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J L Escalera-Pérez et al.<br />

25. Block SS, Butler WR, Ehrhardt RA, Bell<br />

AW, Van Amburgh ME, Boisclair YR.<br />

Decreased concentration of plasma leptin<br />

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Changes in the somatotropin axis<br />

associated with the initiation of lactation.<br />

J Dairy Sci 2001; 84: E113-E119.<br />

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Okamura CS. Expression of<br />

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BA, Lucy MC. Plasma hormones and<br />

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30. Etherton TD, Bauman DE. Biology of<br />

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745-761.<br />

31. Kobayashi Y, Boyd CK, Bracken CJ,<br />

Lamberson WR, Keisler DH, Lucy MC.<br />

Reduced growth hormone receptor<br />

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liver of periparturient cattle is caused by<br />

specific down-regulation of GHR 1Athat<br />

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RP, Lucy MC, Butler WR. Insulin<br />

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42. Breier BH, Bass JJ, Butler JH, Gluckman<br />

PD. The somatotrophic axes in young<br />

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