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Fixed-time insemination with frozen semen in mares: is it suitable for poorly fertile stallions?
(Elsevier B.V., 2015-06-01)
The purpose of the present study was to compare two protocols for equine frozen semen programs using either postovulation insemination or fixed-time insemination (FT), evaluating both pregnancy rates and intrauterine fluid ...
Fixed-time artificial insemination with estradiol and progesterone for Bos indicus cows I: Basis for development of protocols
(Elsevier B.V., 2009-07-15)
Five experiments were conducted on commercial farms in Brazil aiming to develop a fixed-time artificial insemination (TAI) protocol that achieved pregnancy rates between 40% and 55% in Bos indicus cows. These studies ...
EVALUATING A PROTOCOL FOR FIXED TIME ARTIFICIAL INSEMINATION USING TWO PROGESTERONE IMPLANTS IN CROSSBRED EWES RAISEDUNDER HEAT STRESSTítulo en español
(University of Puerto Rico Mayagüez Campus Agricultural Experiment Station, 2019)
The influence of insemination dose on pregnancy per fixed-time artificial insemination in beef cows is affected by semen extender
(Brazilian Coll Animal Reproduction, 2014-01-01)
The aim of this study was to compare the efficacy of two extenders (Tris-egg yolk - TRIS and Botu-Bov (R) - BB, Botupharma, Brazil) for bovine semen cryopreservation with a different number of sperm per straw (6, 12, 25 ...
The influence of insemination dose on pregnancy per fixed-time artificial insemination in beef cows is affected by semen extender
(2014-01-01)
The aim of this study was to compare the efficacy of two extenders (Tris-egg yolk - TRIS and Botu-Bov® - BB, Botupharma, Brazil) for bovine semen cryopreservation with a different number of sperm per straw (6, 12, 25 or ...
Probability of pregnancy to artificial insemination either after detected oestrus or at a fixed time in dairy cows: Influence of intrinsic and extrinsic factors in a large-scale, on-farm study
(2021-05-01)
The first aim of this study was to determine the influence of the procedures [hormonal treatments for fixed time artificial insemination (FTAI) versus insemination at spontaneous oestrus (SEAI)] on several sequential ...
The influence of insemination dose on pregnancy per fixed-time artificial insemination in beef cows is affected by semen extender
(Brazilian Coll Animal Reproduction, 2014)
Effect of glycerol on the viability and fertility of cooled bovine semen
(Elsevier B.V., 2015-01-01)
The aim of the present study was to compare the viability and fertility of bovine semen diluted in Botu-Bov (BB) commercial extender with and without the cryoprotectant glycerol then cooled at 5 C for 24 hours in the ...
Fixed-time artificial insemination with estradiol and progesterone for Bos indicus cows II: Strategies and factors affecting fertility
(Elsevier B.V., 2009-07-15)
In Experiments 1, 2, and 3, we evaluated the effects of temporary weaning (TW), equine chorionic gonadotropin (eCG), and follicle-stimulating hormone (FSH) treatments on results of it fixed-time artificial insemination ...
Fixed-time artificial insemination with estradiol and progesterone for Bos indicus cows II: Strategies and factors affecting fertility
(Elsevier B.V., 2009-07-15)
In Experiments 1, 2, and 3, we evaluated the effects of temporary weaning (TW), equine chorionic gonadotropin (eCG), and follicle-stimulating hormone (FSH) treatments on results of it fixed-time artificial insemination ...