Gynecological clinical examination of primiparous cows of different breeds
Journal Title: Біологія тварин - Year 2016, Vol 18, Issue 3
Abstract
It was established that realization of gynecological clinical examination of firstborn-cows 4 times a year with monthly control of condition of inner organs secured opportunely exposure of disease as the reason of symptomatic form of sterility, medical treatment of animals and elaboration of preventive measures. Among the 472 explored firstborn-cows 214 (45.3 %) fetal, 223(47.2 %) sterile and 35 (7.55 %) problematically fetal were discovered. During the repeated exploration of 35 problematically fetal cows 24 true pregnancies were revealed. Among the 223 problematically fetal cows 56 (25.1 %) were rejected during the year. The 167 (74.9 %) sterile cows after verification of diagnosis received medical treatment. Among these cows after receiving medical treatment only 18 stayed sterile. During the next year by 4 gynecological clinical examinations among the 540 firstborn-cows in all three farms 336 fetal, 75 sterile and 29 problematically fetal were discovered. At repeated exploration of problematically fetal cows 21 true pregnancy was diagnosed. Among 175 sterile cows 43 ones were condemned by lose of milk production and reproductive function. Totally for 2 years of gynecological clinical examination during first year among the 472 firstborn-cows 223 (47.2 %) sterile cows were established, and for second year among 540 cows — 175 sterile ones (32.4 %), respectively. In a structure of gynecological diseases as the reasons of cows sterility the most popular reason was uterus subinvolution (10.8–12 %), violation of function of ovaries, uterine tube and uterus (8,5–9,25 %). Generalization of exploration results gives us the reason to assert that the main reason of revealed pathology of reproductive organs such as uterus and ovaries dysfunction in firstborn-cows are absence of the correct selection of calves, technologies of calves growing, feeding fetal and preparation for pairing. Moreover, after pairing on firstborn-cows the process of lactogenesis and difficult evolution of regulation of endocrine function of the uterus, ovaries and mammary gland also has negative influence.
Authors and Affiliations
A. S. Revunets
Keywords
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- EP ID EP261254
- DOI 10.15407/animbiol18.03.078
- Views 109
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