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Association between Plasma and Milk Urea on the Insemination Day and Pregnancy ...
Chaveiro, António E.; Andrade, M.; Borba, Alfredo Emílio Silveira de; Silva, Joaquim Fernando Moreira daLactatingdairy cows (n=177) feed with grass and corn silage ad libitum kept in pasture, were randomly assigned to evaluate how urea nitrogen in plasma and milk can be related to their pregnancy rate. Blood and milk samples were collected on the artificial insemination (AI) day to evaluate plasma urea nitrogen (PUN) and milk urea nitrogen (MUN) as well as progesterone levels, excluding cows with progesterone hig...
Data: 2011
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Origem: Repositório da Universidade dos Açores
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