Pharmacokinetics of a Single Intramuscular Injection of Ceftiofur Crystalline Free Acid in Bald Eagles (Haliaeetus leucocephalus)

SummarySeabird populations suffer from a variety of natural and human-induced sources of mortality and loss of lifetime reproductive output. On the outer coast of Washington State, Common Murre Uria aalge populations have been in decline for approximately the last decade and are currently reproductively active only at Tatoosh Island. These murres nest in two basic habitat types: crevices (25% of the population) and larger cliff-top subcolonies (75%). Murres in cliff-top subcolonies have suffered dramatic reductions in reproductive success in recent years relative to conspecifics nesting in the crevices, primarily due to egg predation by Glaucous-winged Gulls Larus glaucescens and Northwestern Crows Corvus caurinus, facilitated by the presence of Bald Eagles Haliaeetus leucocephalus. Because predator removal is not feasible and creation of additional crevice habitat is difficult, expensive and potentially ineffective, we have designed a temporary habitat modification (the “silk forest”) which replaces the natural vegetation cover and modifies the interaction between murres and eagles. Within the test subcolony, murres nesting under and immediately adjacent to the silk forest produced nearly twice as many eggs per square metre as their conspecifics nesting in adjacent exposed-ground areas.

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Secretion of steroid sulfates from human testis and their response to a single intramuscular injection of 5000 IU hCG

Journal of Steroid Biochemistry ◽

10.1016/0022-4731(81)90342-3 ◽

1981 ◽

Vol 14 (12) ◽

pp. 1357-1360 ◽

Cited By ~ 16

Author(s):

A. Ruokonen ◽

O. Lukkarinen ◽

R. Vihko

Keyword(s):

Intramuscular Injection ◽

Human Testis ◽

Single Intramuscular Injection

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Tissue distribution of marbofloxacin in pigs after a single intramuscular injection

Journal of Veterinary Science ◽

10.4142/jvs.2017.18.2.169 ◽

2017 ◽

Vol 18 (2) ◽

pp. 169 ◽

Cited By ~ 2

Author(s):

Fan Yang ◽

Yiming Liu ◽

Zhili Li ◽

Yuqin Wang ◽

Baobao Liu ◽

...

Keyword(s):

Tissue Distribution ◽

Intramuscular Injection ◽

Single Intramuscular Injection

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THE EFFECT OF BETAMETHASONE ON GLUCOSE PRODUCTION AND ON GLUCONEOGENESIS FROM AMINO ACIDS IN SHEEP

Journal of Endocrinology ◽

10.1677/joe.0.0600455 ◽

1974 ◽

Vol 60 (3) ◽

pp. 455-461 ◽

Cited By ~ 13

Author(s):

P. E. B. REILLY ◽

E. J. H. FORD

Keyword(s):

Amino Acids ◽

Amino Acid ◽

Plasma Glucose ◽

Intramuscular Injection ◽

Significant Proportion ◽

Glucose Production ◽

Entry Rate ◽

Steroid Administration ◽

Single Intramuscular Injection ◽

Mean Glucose

SUMMARY Primed continuous infusions of tracer amounts of [U-14C]glucose and of [U-14C]labelled mixed amino acids were used to measure plasma glucose and amino acid entry rates and to obtain an index of the incorporation of amino acid carbon into glucose by sheep before and 24 h after a single intramuscular injection of betamethasone. Maximum hyperglycaemia occurred 24 h after administration of the steroid, but there was no significant change in arterial amino acid concentration. Mean glucose entry rate was significantly raised 24 h after steroid administration. The rate of incorporation of amino acid carbon into glucose also increased significantly. The increases in plasma glucose concentration and in glucose entry confirm the authors' previous results. The results also indicate that a significant proportion of the additional glucose entry is synthesized from amino acid carbon.

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