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Administering an appeasing substance to gir × holstein female dairy calves on pre-weaning performance and disease incidence
(2020-11-01)
(1) Background: Ruminants often face stressful situations throughout their productive lives. More specifically, pre-weaning dairy calves are exposed to novel environments, feedstuffs, and pathogens that affect their health ...
Desenvolvimento de fêmeas leiteiras mediante o uso de leite cru ou sucedâneo
(Dois VizinhosBrasil, 2015-08-13)
The aim of this study was to evaluate the performance and economical viability of dairy females in lactating phase receiving raw milk or commercial substitute. The experiment was carried out in dairy farms in Paraná southwest ...
Short communication: Acute but transient increase in serum insulin reduces messenger RNA expression of hepatic enzymes associated with progesterone catabolism in dairy cows
(2013-02-01)
The objective of this experiment was to evaluate the effects of glucose infusion on serum concentrations of glucose, insulin, and progesterone (P4), as well as mRNA expression of hepatic CYP2C19 and CYP3A4 in nonlactating, ...
Short communication: Acute but transient increase in serum insulin reduces messenger RNA expression of hepatic enzymes associated with progesterone catabolism in dairy cows
(2013-02-01)
The objective of this experiment was to evaluate the effects of glucose infusion on serum concentrations of glucose, insulin, and progesterone (P4), as well as mRNA expression of hepatic CYP2C19 and CYP3A4 in nonlactating, ...
Pyrethroid residues in milk and blood of dairy cows following single topical applications
(1997-02-01)
The presence of the pyrethroid insecticides flumethrin, deltamethrin, cypermethrin and cyhalothrin in milk and blood of 10 cows was determined after single dermal applications of recommended doses. Milk and blood samples ...
Pyrethroid residues in milk and blood of dairy cows following single topical applications
(1997-02-01)
The presence of the pyrethroid insecticides flumethrin, deltamethrin, cypermethrin and cyhalothrin in milk and blood of 10 cows was determined after single dermal applications of recommended doses. Milk and blood samples ...
EVALUATION of COVERING MATERIALS IN INDIVIDUAL SHELTERS and ITS EFFECTS on PHYSIOLOGICAL RESPONSES and PERFORMANCE of DAIRY CALVES
(Soc Brasil Engenharia Agricola, 2012-11-01)
In Tropical regions, the animal performance is often affected by climate conditions. This study aimed to evaluate covering materials in individual shelters, normally used to house dairy calves, and its influence on the ...
Evaluation of covering materials in individual shelters and its effects on physiological responses and performance of dairy calves
(2012-11-01)
In Tropical regions, the animal performance is often affected by climate conditions. This study aimed to evaluate covering materials in individual shelters, normally used to house dairy calves, and its influence on the ...