oestrus detection
Automatic oestrus detection using a camera software device and oestrus detector strips in dairy cattle at pasture : a thesis in partial fulfilment of the requirements for the degree of Master of Veterinary Science, Massey University, Palmerston North, New Zealand
... This chapter descri bes the camera-software devi ce (CSD) a nd oestrus detector strips (ODS). This model has extended the technique of ta i l painting and mod ified it by using pai nted reflective stri ps, so that ...
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Automatic oestrus detection using a camera software device and oestrus detector strips in dairy cattle at pasture : a thesis in partial fulfilment of the requirements for the degree of Master of Veterinary Science, Massey University, Palmerston North, New Zealand
... : Oestrus detection aid results for eligi ble cows i n the control group (n= 1 83) and camera-software device (CSD) g roup (n=2 1 3) over the artificial breeding period of 55 days and confirmed by pregnancy ...
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ALT pedometer – a new sensor aided measurement system for improvement in oestrus detection
... fewer oestrus cycles are recognized because cy- cle length, oestrus duration and oestrus intensity have developed negatively at high animal performance ...normal oestrus cycle, silent heat or ...
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Determination of the proper time for mating after oestrous synchronisation during anoestrous or oestrous by measuring electrical resistance of cervical mucus in ewes
... at oestrus were higher in ewes that received sponges for 12 days compared with ewes that re- ceived sponges for 14 days, in both Kymi (anoes- trous period) and Chios (oestrous period) ...lower oestrus ...
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The Sensor Technologies for More Efficient Cow Reproduction Systems
... Watanabe et al [23] present novel methods for detecting estrus and predicting calving-time in dairy cattle, by using a wireless network with an acceleration sensor. Their method focuses on the habit of cows in estrus to ...
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Synchronization of follicular development, oestrus and ovulation using oestradiol benzoate and progesterone in dairy cattle : a thesis presented in partial fulfillment of the requirements for the degree of Master of Philosophy (Veterinary Clinical Science) at Massey University
... for oestrus detection (Macmi llan et ...for oestrus, twice dai l y at 0800 hours and 1 600 hours for 30 ...in oestrus. Fifteen cows observed in oestrus, on the second and third day ...
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Efficacy of Hormonal (PGF and eCG) Treatment on the Reproductive Performance of Muturu Cows Crossed with White Fulani Semen under Natural Grazing Condition: A Research Work
... for oestrus detection, usually called Fixed- time AI (FTAI) protocols (BO et ...variable oestrus response and high incidence of anoestrus common in animals grazing tropical grasses (2) explain the ...
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Article: Monitoring vaginal electrical impedance in crossbred cows during post-partum period
... silent oestrus and the longer period between calving and postpartum ...Poor oestrus detection is a common problem in cows even under good ...during oestrus cycle produce variations in animal ...
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Steroid hormone receptors ERα and PR characterised by immunohistochemistry in the mare adrenal gland
... In the present study, PR staining in uterine tissue was, in general, found in almost all cells, with a moderate stain- ing intensity. This result on proportion is similar to a study on sow endometrium [21]. However, in ...
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Effects of GnRH, PGF2α and oxytocin treatments on conception rate at the time of artificial insemination in lactating dairy cows
... of oestrus (Stevenson et ...of oestrus affected gonadotropin ...of oestrus increased the preovulatory LH surge (Mee et ...standing oestrus, need not result in a greater surge of LH (Lee et ...
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The Effect of Light on Ovarian Activity in the Rabbit
... The mature Graafian follicle does not persist indefinitely in the oestrous rabbit but is rather short-lived, so that during oestrus numbers of follicles appear and disappear, the series [r] ...
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A COMPARATIVE STUDY ON SOME BIOLOGICAL CONSTITUENTS IN SERUM DURING NORMAL AND SUB OESTROUS CYCLES OF CROSSBRED COWS OF ASSAM
... Sub-oestrus condition is known to be one of the major reproductive problems resulting failure of breeding at right time contributing great economic loss to the dairy farmers who are maintaining crossbred cattle ...
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Optimization Strategy for Generating Gene-edited Tibet Minipigs by Synchronized Oestrus and Cytoplasmic Microinjection
... the oestrus state ...synchronized oestrus in both the surrogate sows and nanny pigs (Figure 1B), the nanny pigs can breastfeed some F 0 gene-modified piglets on behalf of the ...
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Incomplete ovarian tissue removal in female dogs and cats
... Identification of the ovaries with ultrasound may be a difficult procedure, but can be performed reliably by an experienced ultrasonographer using high quality equipment. Throughout proestrus fluid-filled (anechoic) ...
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Isolation and identification of excretory-secretory and somatic antigens from the Oestrus ovis larvae by SDS-PAGE and immunoblotting
... 1761) is the most well-known and economically important species of genus, Oestrus in nine genera of the subfamily Oestrinae. Oestrus ovis larvae are obligatory parasites and cause nasal myiases of sheep and ...
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Supplementation of Dairy Cows with Docosahexaenoic Acid Did Not Affect Ovarian Activity
... locations in turn (to minimize irritation due to re- peated collections) into heparinized tubes (Hemos; Gama, Czech Republic). Samples were immedi- ately centrifuged (3000 g for 10 min), plasma was separated and stored ...
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Growth of the dominant follicle and endometrial folding after administration of hCG in mares during oestrus
... of oestrus and the average term of ovu- lation was ...of oestrus and a dominant follicle ≥ 35 mm in diameter on ovaries is considered to be a reliable method of induction/synchronization of ovulation ...
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Techniques and protocols for oestrus synchronization in indigenous west african dwarf (wad) goat: a review
... time. Oestrus Synchronization is aimed at controlling the luteal phase of oestrus cycle alogues to reduce the life of the corpus lutea one to prolong the life of the corpus lutea, especially when the ...
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Some aspects of uterine motility in the mare as measured by myometrial electromyography : a thesis presented in partial fulfilment of the requirements for the degree of Master of Veterinary Science at Massey University
... Two intact and two ovariectomised mares had uterine emg activity measured from 3-8 hours/day over a period of 1 -5 months. Simultaneous IUP recordings, using an open tipped catheter, were periodically taken. One intact ...
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A preliminary study on the induction of dioestrous ovulation in the mare – a possible method for inducing prolonged luteal phase
... The mares that ovulated as a result of the hCG treatment developed prolonged luteal phases that lasted for approx- imately two to three months. Other studies have also shown prolonged luteal activity in the mare to last ...
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