The introduction of rams induces an increase in pulsatile LH secretion in cyclic ewes during the breeding season

PAR Hawken, AP Beard, T Esmaili, H Kadokawa… - Theriogenology, 2007 - Elsevier
Application of the ram effect during the breeding season has been previously disregarded
because the ewe reproductive axis is powerfully inhibited by luteal phase progesterone …

A comparative study of induction of estrus and ovulation by three different intravaginal devices in ewes during the non-breeding season

K Iida, N Kobayashi, H Kohno, A Miyamoto… - … of Reproduction and …, 2004 - jstage.jst.go.jp
The aim of the present study was to compare three methods of estrus synchronization in
ewes during the non-breeding season. Forty-two ewes were randomly grouped for three …

[图书][B] Reproductive responses of anestrous ewes to the introduction of rams

R Ungerfeld - 2003 - pub.epsilon.slu.se
Abstract Ungerfeld, R. 2003. Reproductive responses of anestrous ewes to the introduction
of rams. Doctoral thesis. ISSN 1401-6257 This thesis summarises and discusses results of …

[PDF][PDF] Effects of different intravaginal progesterone releasing devices on estrous synchronization and LH surge in fat-tailed ewes during non-breeding season*

O GUNGOR, M CENESIZ, SM PANCARCI, S YILDIZ… - Group, 2007 - medycynawet.edu.pl
The aims of this study were to compare two methods of estrus synchronization and to
evaluate the effectiveness of the PMSG treatment combined with P4 application. Fifty non …

Effect of progestagen/PMSG treatment for oestrus synchronization of Tuj ewes to be bred after the natural breeding season

O Ucar, M Kaya, S Yildiz, F Onder… - Acta Veterinaria …, 2005 - avesis.akdeniz.edu.tr
The aim of this study was to investigate the effect of pregnant mare se turn gonadotrophin
(PMSG) and progestagen sponge on oestrus synchronization of Tuj ewes. mated after …

Effects of double injections of PGF_ {2}\alpha at different intervals on some reproductive traits in Tuj ewes

NB SÖZBİLİR, Ş Maraşli, Y Öztürkler… - Turkish Journal of …, 2006 - journals.tubitak.gov.tr
The present study investigated the effects of double injections of PGF_ {2}\alpha at different
intervals (10 vs. 14 days) on plasma progesterone levels, oestrus and lambing rates in Tuj …

Effects of Short‐Term High Carbohydrate or Fat Intakes on Leptin, Growth Hormone and Luteinizing Hormone Secretions in Prepubertal Fat‐Tailed Tuj Lambs

S Yildiz, D Blache, F Celebi, I Kaya… - … in Domestic Animals, 2003 - Wiley Online Library
Contents The aim of the current study was to evaluate the effects of high carbohydrate or fat
diets, fed for 15 days at the end of breeding season, on leptin, GH and LH secretions in …

Effects of rams and luteal or follicular phase ewes on preovulatory LH surge characteristics in ewes

S Yildiz, M Uzun, M Kaya, Ö Uçar… - Turkish Journal of …, 2004 - journals.tubitak.gov.tr
This study aimed to investigate whether the preovulatory LH surge mechanism is involved in
sheep-to-sheep interaction for oestrous synchronisation. For that purpose, anoestrous ewes …

Validation of a simple, sensitive enzyme immunoassay (EIA) for the determination of caprine plasma LH

A Haldar, R Paul, S Pan, A Mitra, C Biswas… - Small Ruminant …, 2009 - Elsevier
The study describes the development and validation of a simple and highly sensitive
enzyme immunoassay (EIA) for the determination of goat plasma LH, utilizing the biotin …

[PDF][PDF] Effects of sexually activated rams or ewes on pulsatile LH secretion in anoestrous sheep

S Yildiz, M Uzun, M Cenesiz, O Ucar, M Kaya… - Acta Veterinaria …, 2002 - actavet.vfu.cz
Effects of Sexually Activated Rams or Ewes on Pulsatile LH Secretion in Anoestrous Sheep
Photoperiod, nutrition, body energy res Page 1 Effects of Sexually Activated Rams or Ewes on …