Postpartum acyclicity in suckled beef cows: A review

Theriogenology

Volumn 54, Issue 1, 2000, Pages 25-55

  Yavas, Y ^a   Walton, J S ^a  

^a UNIVERSITY OF GUELPH   (Canada)

Author keywords

Anestrus; Cow; Ovulation; Postpartum; Suckling

Indexed keywords

ESTRADIOL; GONADORELIN; LUTEINIZING HORMONE; PROSTAGLANDIN F2 ALPHA;

ANESTRUS; ANIMAL; ANIMAL HUSBANDRY; ARTICLE; CATTLE; ECONOMIC ASPECT; ENDOMETRIUM; FEMALE; HYPOTHALAMUS; LACTATION; LUTEINIZING HORMONE RELEASE; LUTEOLYSIS; MENSTRUAL CYCLE; NEGATIVE FEEDBACK; NEUROHYPOPHYSIS; NONHUMAN; NUTRITIONAL STATUS; OVARY FUNCTION; OVULATION; OXYTOCIN RELEASE; PUERPERIUM; SUCKLING;

EID: 0034233640     PISSN: 0093691X     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0093-691X(00)00323-X     Document Type: Review

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192. Endocrine profiles and functional characteristics of corpora lutea following onset of postpartum ovarian activity in beef cows
193. Effect of progesterone and temporary weaning on cyclic activity and fertility of beef cows at a prostaglandin-synchronized estrus
194. Factors affecting bovine activity after parturition
195. Uterus of the cow after parturition: Factors affecting regression
196. Effect of cortisol or adrenocorticotrophin on release of luteinizing hormone induced by luteinizing hormone releasing hormone in the dairy heifer
197. Patterns of stillbirth and dystocia in Ontario cow-calf herds
198. Measures of herd health and productivity in Ontario cow-calf herds
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201. Variation and association among postpartum reproduction and production characteristics in Holstein-Friesian cattle
202. An interaction between season of calving and nutrition on the resumption of ovarian cycles in post-partum beef cattle
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204. Postpartum ovarian activity and involution of the uterus and cervix in dairy cattle
205. Latent effects of pregnancy on postpartum estrous cycle length in dairy cattle
206. A review of postpartum ovarian activity and involution of the uterus and cervix in cattle
207. Postpartum ovarian activity and uterine involution in dairy cattle
208. Pituitary concentrations of gonadotropins and receptors for GnRH in suckled beef cows at various intervals after calving
209. Influence of suckling and continuous cow-calf association on the resumption of post-partum ovarian function in Bos indicus cows monitored by plasma progesterone profiles
210. Pattern of follicular growth and resumption of ovarian activity in post-partum beef suckler cows
211. Endogenous opioid suppression of release of luteinizing hormone during suckling in postpartum anestrous beef cows
212. Function of the hypothalamic-hypophysial axis during the post-partum period in ewes and cows
213. Pituitary receptors for GnRH and estradiol, and pituitary content of gonadotropins in beef cows. I. Changes during the estrous cycle
214. Pituitary receptors for GnRH and estradiol, and pituitary content of gonadotropins in beef cows. II. Changes during the postpartum period
215. Postpartum reproduction in protein restricted beef cows: Effect on the hypothalamic-pituitary-ovarian axis
216. Maternal behavior
217. Effect of limited suckling on reproductive performance and milk production of cows and weight gains and suckling behavior of calves
218. Suckling behavior in range beef calves
219. Short estrous cycles and associated serum progesterone levels in beef cows
220. Plasma beta-endorphin around parturition and its relationship to cortisol level and resumption of pituitary and ovarian functions in dairy cows
221. Effects of suckling and ovarian function on postpartum reproductive activity in beef cows
222. Effect of lactation and energy intake on postpartum ovarian activity in the cow
223. Effect of morphine on serum gonadotropin concentrations in postpartum beef cows
224. Milk ejection in primiparous heifers in the presence of their calves
225. Relation of uterine involution and postpartum interval to reproductive efficiency in beef cattle
226. Influence of dietary energy on follicular development, serum gonadotropins, and first postpartum ovulation in suckled beef cows
227. Endocrine changes and ultrasonography of ovaries in suckled beef cows during resumption of postpartum estrous cycles
228. Temporal changes in serum prostaglandin F(2α) and oxytocin in dairy cows with short luteal phases after the first postpartum ovulation
229. Reproductive activity of the cow in the post-partum period. II. Endocrine patterns and induction of ovulation
230. Regulation of ovarian function in the postpartum cow: An endocrine model
231. Lactational anoestrus in farm animals
232. A comparison of plasma LH concentrations in milked and suckling post-partum cows
233. Hormone responses to exogenous GnRH pulses in post-partum dairy cows
234. Is the cow a seasonal breeder?
235. Milk progesterone profiles and factors affecting post partum ovarian activity in beef cows
236. Pulsatile LH secretion and its induction in post-partum beef cows
237. Parturition
238. Induced corpora lutea in the postpartum beef cow. I. Comparison of gonadotropin releasing hormone and human chorionic gonadotropin and effects of progestogen and estrogen
239. Ovarian function in suckling and non-suckling beef cows post partum
240. Gonadal function in male heroin and methadone addicts
241. Adenohypophyseal receptors for LHRH, pituitary content of gonadotropins and plasma concentrations of LH in cyclic, pregnant and postpartum beef cows
242. Pattern of plasma luteinizing hormone in the cyclic cow: Dependence upon the period of the cycle
243. Characterization of ovarian activity in postpartum dairy cows using ultrasound imaging and progesterone profiles
244. Evidence for ovulation and fertilization in beef cows with short estrous cycles
245. Reducing the incidence of short estrous cycles in beef cows with norgestomet
246. Endocrine patterns in the postpartum beef cow associated with weaning: A comparison of the short and subsequent normal cycles
247. Effect of once-daily suckling on postpartum interval and cow-calf performance of first-calf Brahman x Hereford heifers
248. Nutrition and postpartum rebreeding in cattle
249. Exogenous PGF(2α) enhanced GnRH-induced LH release in postpartum cows
250. Suckling effect on LH and progesterone in beef cows
251. Some endocrine changes associated with the post-partum period of the suckling beef cow
252. Endocrinology of reproduction
253. Effect of once-a-day nursing on rebreeding efficiency of beef cows
254. FSH and LH receptor concentrations in large ovarian follicles of beef cows in high and low levels of body condition at nine weeks post partum
255. The effects of nutrition on reproductive performance of beef cattle
256. Maturation of ovarian follicles: Actions and interactions of pituitary and ovarian hormones on follicular cell differentiation
257. Relation of postpartum interval to corpus luteum development, pituitary prolactin activity, and uterine involution in dairy cows. (Effect of Suckling). Studies on the postpartum cow
258. Induction of pulsatile LH release, FSH release and ovulation in post-partum acyclic beef cows by repeated small doses of Gn-RH
259. Periovulatory LH, FSH and steroid hormone profiles in superovulated and unstimulated Holstein heifers
260. Circulating insulin-like growth factor I, insulin-like growth factor binding proteins, growth hormone, and resumption of estrus in postpartum cows subjected to dietary energy restriction
261. Sequential changes in plasma progesterone in the cow during the estrous cycle, pregnancy, at parturition and postpartum
262. Control and induction of ovulation in cattle
263. Endogenous opiates modulate pulsatile luteinizing hormone release in humans
264. Myometrial activity post partum
265. Influence of the ovary and suckling on luteinizing hormone response to naloxone in postpartum beef cows
266. The postpartum induced corpus luteum: Functional differences from that of cycling cows and the effects of progesterone pretreatment
267. Hypoglycemia alters pulsatile luteinizing hormone secretion in the postpartum beef cow
268. Insulin-like growth factor I in follicular development and function in postpartum beef cows
269. Postpartum nutrient intake and body condition: Effect on pituitary function and onset of oestrus in beef cattle
270. Serum concentrations of IGF-I in postpartum beef cows
271. Ovarian follicular recruitment, granulosa cell steroidogenic potential and growth hormone / insulin-like growth factor-I relationships in suckled beef cows consuming high lipid diets: Effects of graded differences in body condition maintained during the puerperium
272. Relation of postpartum interval to pituitary gonadotropins, ovarian follicular development and fertility in dairy cows. (Effect of suckling, feeding level, breeding management and genetic level of milk production). Studies on the postpartum cow
273. Some carry-over effects of pregnancy on postpartum ovarian function in the cow
274. Pituitary LH activity in the postpartum dairy cow
275. Effect of intrauterine infusion of recombinant bovine interferone α(I)1 (rboIFNα(I)1) on luteal phase duration and oxytocin-induced release of prostaglandin F(2α) (PGF(2α)) in postpartum (PP) beef cows
276. Dosage of the synthetic progestin, norgestomet, influences luteinizing hormone pulse frequency and endogenous secretion of 17β-estradiol in heifers
277. Mechanism of action of narcotics in the production of menstrual dysfunction in women
278. Estrogen in plasma of parturient paretic and normal cows
279. Postpartum reproductive performance in crude protein-restricted beef cows: Return to estrus and conception
280. Development of dominant follicles and length of ovarian cycles in post-partum dairy cows
281. Resumption of follicular activity in the early post-partum period of dairy cows
282. Gonadotrophins and ovarian steroids in cattle. III. Pulsatile changes of gonadotrophin concentrations in the jugular vein postpartum
283. Neuroendocrine regulation of postpartum function
284. Effect of ovariectomy on tonic gonadotrophin secretion in cyclic and post-partum dairy cows
285. Pulsatile secretion of gonadotrophins, ovarian steroids and ovarian oxytocin during prostaglandin-induced regression of the corpus luteum in the cow
286. Gonadotrophins and ovarian steroids in cattle. I. Pulsatile changes of concentrations in the jugular vein throughout the oestrous cycle
287. Endocrine mechanisms contributing to postpartum anoestrus in dairy and beef cattle
288. Endocrine changes during the early postpartum period in dairy cattle
289. Profiles of LH, FSH and progesterone in postpartum dairy cows and their relationship to the commencement of cyclic functions
290. Postpartum ovarian activity and its interaction with the uterus in resuming cyclic activity post postpartum
291. Glucocorticoids in mammary secretions and blood serum during reproduction and lactation and distributions of glucocorticoids, progesterone, and estrogens in fractions of milk
292. Effect of melatonin on postpartum anestrus in beef cows
293. Patterns of tonic luteinizing hormone release and ovulation frequency in suckled anestrous beef cows following varying intervals of temporary weaning
294. Nutritional and hormonal interrelationships in beef cattle reproduction
295. Effects of suckling and mastectomy on bovine postpartum reproduction
296. Physiological mechanisms controlling anestrus and infertility in postpartum beef cattle
297. Factors affecting estrogen-induced LH release in the cow
298. Effects of mammary denervation in postpartum cows
299. Evidence for maternal behavior as a requisite link in suckling-mediated anovulation in cows
300. Effect of prepartum administration of growth hormone-releasing factor on somatotropin, insulin-like growth factor I, milk production, and postpartum return to ovarian activity in primiparous beef heifers
301. Steady-state luteinizing hormone receptor messenger ribonucleic acid levels and endothelial cell composition in bovine normal- and short-lived corpora lutea
302. The effect of suckling upon the endocrine changes associated with anoestrus in identical twin dairy cows
303. Pituitary and ovarian responses to gonadotropin releasing hormone, calf removal and progestogen in anestrous beef cows
304. Response of postpartum beef cows to exogenous progestogens and gonadotropin releasing hormone
305. Bovine serum corticoid response to milking and exteroceptive stimuli
306. 125I-labeled gonadotropins to granulosa and thecal cells and concentrations of steroids in serum and various sized ovarian follicles
307. Ovarian follicular growth, function and turnover in cattle: A review
308. Relationship between concentrations of immunoreactive insulin-like growth factor-I in follicular fluid and various biochemical markers of differentiation in bovine antral follicles
309. High performance liquid chromatography of steroids in bovine adrenal glands: Changes during the postpartum interval
310. Anovulation in postpartum suckled beef cows. I. Associations among size and numbers of ovarian follicles, uterine involution, and hormones in serum and follicular fluid
311. Relationship between concentrations of cortisol in ovarian follicular fluid and various biochemical markers of follicular differentiation in cyclic and anovulatory cattle
312. Reproductive responses and calf birth and weaning weights as affected by body condition at parturition and postpartum weight gain in primiparous beef cows
313. Peripheral plasma progesterone levels in the cow during pregnancy and parturition
314. Follicular development in long-term anoestrous suckler beef cows fed two levels of energy postpartum
315. Effect of calf isolation on follicular wave dynamics, gonadotropin and metabolic hormone changes, and interval to first ovulation in beef cows fed either of two energy levels postpartum
316. Effect of repeated injections of dinoprost in the early postpartum on cervix involution
317. Relationships among luteinizing hormone, estradiol, progesterone, glucocorticoids, milk yield., body weight and postpartum ovarian activity in Holstein cows
318. Luteinizing hormone release and reproductive traits in anestrous, estrus-cycling, and ovariectomized cattle after tyrosine supplementation
319. Estrus, ovulation, luteinizing hormone, and suckling-induced hormones in mastectomized cows with and without unrestricted presence of the calf
320. Hormonal, estrual, ovulatory and milk traits in postpartum dairy cows following multiple daily injections of oxytocin
321. Effect of adrenocorticotropin and cortisol on luteinizing hormone surge and estrous behavior of cows
322. Effects of once-daily suckling and twice-daily suckling on postpartum reproductive performance of beef cows and on growth and ingestive behavior of their calves
323. The influence of delayed uterine involution and endometritis on bovine fertility
324. Reproductive potential during the post partum period in cows
325. Influence of management and nutrition on postpartum endocrine function and ovarian activity in cows
326. Postpartum anoestrus in beef cattle: A review
327. The impact of ante-partum physiology on postpartum performance in cows
328. Environment and reproduction
329. Serum progestins and luteinising hormone levels in non-suckled primiparous heifers
330. Quantification of naloxone binding sites in brains from suckled beef cows during postpartum anestrus and resumption of estrous cycles
331. Ability of indomethacin to alter prostaglandin metabolite concentrations and to enhance the function of corpora lutea induced in postpartum suckled beef cows
332. The effect of progestin and GnRH treatments on ovarian function and reproductive hormone secretions of anestrous postpartum suckled beef cows
333. Ovulation and reproductive hormones following steroid pretreatment, calf removal and GnRH in postpartum suckled beef cows
334. The effect of days postpartum, indomethacin and oxytocin on prostaglandin metabolite concentrations in postpartum suckled beef cows
335. Comparative aspects of the postpartum period in domestic animals
336. Prolonged postpartum anovulation in mastectomized cows requires tactile stimulation by the calf
337. Cow-calf association delays postpartum ovulation in mastectomized cows
338. Influence of infusion of prostaglandin F(2α) (PGF(2α)) and weaning on surface and histologic populations of ovarian follicles in early postpartum beef cows
339. Body condition at parturition and postpartum weight gain influence luteal activity and concentrations of glucose, insulin, and nonesterified fatty acids in plasma of primiparous beef cows
340. Reproductive physiology of postpartum cow. I. Clinical and histological findings
341. Influence of adrenal corticosteroids on postpartum pituitary and ovarian function
342. Endocrine physiology following parturition
343. Adrenal function in the cow. Diurnal changes and the effects of lactation and neurohypophyseal hormones
344. Reproductive physiology of the post-partum cow. II. Pituitary, adrenal and thyroid function
345. Pituitary and ovarian function in postpartum beef cows. I. Effect of suckling on serum and follicular fluid hormones and follicular gonadotropin receptors
346. Pulsatile secretion of gonadotrophins, ovarian steroids and ovarian oxytocin during the periovulatory phase of the oestrous cycle in the cow
347. Pituitary and ovarian function in postpartum beef cows. II. Endocrine changes prior to ovulation in suckled and nonsuckled postpartum cows compared to cycling cows
348. Pituitary and ovarian function in postpartum beef cows. III. Induction of estrus, ovulation and luteal function with intermittent small dose injections of GnRH
349. Effect of steroids and 48 hr calf removal on serum luteinizing hormone concentrations in anestrous beef cows
350. Reproductive performance of beef cows at the Elora Research Station (1989-1991)
351. Plasma progesterone and gonadotrophin concentrations and ovarian activity in post-partum dairy cows
352. Response of cyclic and postpartum suckled cows to injections of synthetic LH-RH
353. Modulation of functional capacity of small ovarian follicles in the post-partum cow by prolactin
354. Relationship between circulating progesterone and conception at the first postpartum estrus in young primiparous beef cows
355. Postpartum endocrine function of cattle, sheep and swine
356. Endocrine response of postpartum anestrous beef cows to GnRH or PMSG
357. Influence of suckling intensity on reproductive performance of range cows
358. Postpartum ovarian function and fertility in beef cattle that produce twins
359. Prolactin response in beef cows and heifers suckling one or two calves
360. Effect of calf removal on serum luteinizing hormone and cortisol concentrations in postpartum beef cows
361. Influence of calf removal on the serum luteinizing hormone response to naloxone in the postpartum beef cow
362. Naloxone infusion increases pulsatile luteinizing hormone release in postpartum beef cows
363. Opioid inhibition of luteinizing hormone secretion during the postpartum period in suckled beef cows
364. Effect of naloxone on serum luteinizing hormone, cortisol and prolactin concentrations in anestrous beef cows
365. Effect of short-term pulsing with GnRH on post-partum interval and LH concentrations in percentage Brahman cows
366. Modulation of luteal activity in postpartum beef cows through changes in dietary lipid
367. Suckling as a regulator of postpartum rebreeding in cattle: A review
368. Maternal behavior and neuroendocrine regulation of suckling-mediated anovulation in cows
369. Sensory and behavioural control of gonadotrophin secretion during suckling-mediated anovulation in cows
370. Evidence against chronic teat stimulation as an autonomous effector of diminished gonadotropin release in beef cows
371. Effect of suckling on pituitary responsiveness to gonadotropin-releasing hormone throughout the early postpartum period of beef cows
372. The postweaning rise of tonic luteinizing hormone secretion in anestrous cows is not prevented by chronic milking or the physical presence of the calf
373. Mammary somatosensory pathways are not required for suckling-mediated inhibition of luteinizing hormone secretion and delay of ovulation in cows
374. Hormonal and reproductive profiles of early postpartum beef heifers after prolactin suppression or steroid-induced luteal function
375. Coincident secretion of follicle-stimulating hormone and luteinizing hormone in early postpartum beef cows: Effects of suckling and low-level increases of systemic progesterone
376. The comparative reproductive performance of nursed and milked cows
377. Effect of energy level on reproductive phenomena of mature Hereford cows
378. Recent research on controlled reproduction in beef cattle. Practical applications
379. Effects of body condition and estradiol on luteinizing hormone secretion in post-partum beef cows
380. Modification of follicular dynamics by exogenous FSH and progesterone, and the induction of ovulation using hCG in postpartum beef cows
381. Induction of ovulation in postpartum suckled beef cows: A review
382. Suckling inhibits release of luteinizing hormone-releasing hormone from the bovine median eminence following ovariectomy
383. Oxytocin-induced release of prostaglandin F(2α) in postpartum beef cows: Comparison of short versus normal luteal phases
384. Concentrations of progesterone and oxytocin receptors in endometrium of postpartum cows expected to have a short or normal oestrous cycle
385. In vitro secretion of prostaglandins from endometrium of postpartum beef cows expected to have short or normal luteal phases
386. Metabolic status and interval to first ovulation in postpartum dairy cows