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Effect of an energy supplementation, weaning and oestrous synchronisation on ovarian activity and ovulation in early postpartum primiparous Bos indicus cows raised in the tropics of Costa Rica
(American Society for Microbiology., 2015-09-07)
To evaluate the effect of an energy supplementation, 26 postpartum Bos indicus cows were assigned either to receive an energy diet supplementation (n ≤ 11, SSD) or no supplementation (n ≤ 15, NSSD). Cows in the SSD treatment ...
Prevalencia de parásitos gastrointestinales en bovinos cebú en explotaciones de ganado de cría en Costa Rica: estudio preliminar.
(Universidad Nacional, Costa Rica, 2020)
La ganadería de producción de carne es una de las principales actividades económicas del país
y las infecciones gastrointestinales causadas por parásitos pueden representar pérdidas
importantes afectando la salud animal ...
Utilidad de la palpación rectal y la ecografía transrectal en el diagnóstico de gestación del ganado cebú en el trópico húmedo de Costa Rica
(Revista Cientifica de la Facultad de Ciencias Veterinarias de la Universidad del Zulia, 2011-10-13)
The diagnostic efficacy of rectal palpation (RP) was compared to ecography (EG) in a natural mating program of Zebu cattle under Costa Rican tropical conditions. Grazing and lactating Bos indicus females, 98 each year (2005 ...
INDUCCIÓN Y SINCRONIZACIÓN DEL ESTRO EN GANADO Bos indicus, UTILIZANDO ACETATO DE MELENGESTROL COMBINADO CON PGF2? YGNRH
(Universidad Nacional, Costa Rica, 2007-05-29)
Un protocolo de sincronizaci6n e inducci6n de celos denominado 7-11 Synch fue
implementado en ganado Bos índicus, en la finca San Julián, ubicada en el Pacifico Central de
Costa Rica. En esta se practica ganaderia extensiva ...
Uso de dos protocolos con norgestomet, utilizando valerato de estradiol, gonadotropina sérica de la yegua preñada y la hormona liberadora de las gonadotropinas coriónicas, para la sincronización del ciclo estral en vacas Bos taurus x Bos indicus
(Universidad Nacional, Costa Rica, 2009-10-06)
El objetivo del presente estudio fue evaluar el empleo de dos protocolos de
sincronización del estro y la ovulación con inseminación artificial a tiempo
fijo (I.A.T.F.) en novillas Bos taurus X Bos indicus, en la zona ...
Assessment of sperm morphology in Zebu bulls, under field conditions in the tropics
(Blackwell, 2001)
Sperm morphology was studied in 302 extensively managed Zebu bulls (aged 1.5-9 years), classified as sound (n = 166) or unsound (n = 136) for breeding, under field conditions in the dry tropics of Costa Rica. Single semen ...
Thermographic scrotal pattern in sound for breeding zebu bulls extensively managed in tropical Costa Rica
(Animal Reproduction Science, 2016-06)
Infrared thermography (IR) is relatively a novel proce-
dure in animal andrology for studying bull’s scrotal thermal
pattern. The accuracy of this technique lies onto camera’s
performance and operator skills, and ...
Backfat thickness does affect the restoration of ovarian activita postpartum in different breeding programs in zebu cattle
(Frontiers in Veterinary Science, 2021-12-09)
The backfat thickness (BFT) was used to forecast the onset of ovarian activity and predict
the calf growth. Eighty Brahman cows with their calves were allocated in two groups
of 40 distributed in 4 months according to ...
Effects of season on donor and recipient cows and calf performance from birth to weaning in embryo transfer programs in the tropics
(MDPI, 2021-12-19)
The aim of this study was to assess the seasonal effect of an embryo transfer program in
the tropics on the donor response, recipient reproductive performance and calf growth from birth to
weaning. This study included ...
Ultrasonographic screening of embryo development in cattle (Bos indicus) between days 20 and 40 of pregnancy
(Elsevier, 2005-03-09)
Through a transrectal ultrasonography (Aloka SSD 500 microplus equipment, linear transducer of
7.5 MHz) a total of 267 observations were performed in a group of 50 females mainly Bos indicus,
raised under humid tropical ...