Progesterone impregnated intra-vaginal device and timed artificial insemination (TAI) on fertility in repeat breeding Jersey crossbred cows

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dc.contributor.authorSarath, T
dc.contributor.authorJoseph, Cecilia
dc.contributor.authorVeeramani, P, et al.
dc.contributor.authorTANUVAS
dc.date.accessioned2020-02-07T10:36:11Z
dc.date.available2020-02-07T10:36:11Z
dc.date.issued2019-08
dc.descriptionTNV_IJAS_2019_89(8)853-854en_US
dc.description.abstractInterest in bovine infertility increased with the introduction of artificial insemination in the 1950s and as the factors involved became known to farmers, herdsmen physiologists and other workers (Roberts 1956). The causes of infertility in bovine are many and can be complex (Arthur 1982) and they relate to Graafian follicle development and maturation, estrus onset, successful coitus, ovulation, fertilization, implantation, development and delivery of the fetus and its membranes. Anything that interferes with these routines makes the animal infertile (Osmanu 1979). One calf from cow per year is the reproductive objective for dairy animals. Nevertheless, this is not always attained and cows must be re-inseminated during several consecutive cycles. In this context appears the Repeat Breeder Cow syndrome (RBC), comprising a heterogeneous group of subfertile cows, without anatomical abnormalities nor infections, that exhibit a variety of reproductive disturbances in a consistent pattern during the course of 3 or more consecutive estrous cycles of normal duration (17–25 days).en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810142714
dc.keywordsCow, Fertility, Intra-vaginal progesterone device, Jersey, Repeat breeder, Timed artificial inseminationen_US
dc.language.isoenen_US
dc.pages853-854en_US
dc.relation.ispartofseries;9
dc.subjectVeterinary Scienceen_US
dc.titleProgesterone impregnated intra-vaginal device and timed artificial insemination (TAI) on fertility in repeat breeding Jersey crossbred cowsen_US
dc.title.alternativeIndian Journal of Animal Sciencesen_US
dc.typeArticleen_US
dc.volume89en_US
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