The use of hormonal treatments to improve reproductive performance of anestrous beef cattle in tropical climates

PS Baruselli, EL Reis, MO Marques, LF Nasser… - Animal reproduction …, 2004 - Elsevier
Most of the world's bovine herd is found in tropical regions. Bos indicus predominates, due
to their adaptation to the climate and management conditions. Anestrous is the main factor …

Pattern and manipulation of follicular development in Bos indicus cattle

GA Bó, PS Baruselli, MF Martı́nez - Animal reproduction science, 2003 - Elsevier
Bos indicus cattle are widespread in tropical regions due to their adaptation to these
environments. Although data on reproductive performance have indicated both inferior and …

Fixed-time artificial insemination with estradiol and progesterone for Bos indicus cows I: basis for development of protocols

M Meneghetti, OG Sá Filho, RFG Peres, GC Lamb… - Theriogenology, 2009 - Elsevier
Five experiments were conducted on commercial farms in Brazil aiming to develop a fixed-
time artificial insemination (TAI) protocol that achieved pregnancy rates between 40% and …

Effect of early luteolysis in progesterone-based timed AI protocols in Bos indicus, Bos indicus× Bos taurus, and Bos taurus heifers

JBP Carvalho, NAT Carvalho, EL Reis, M Nichi… - Theriogenology, 2008 - Elsevier
The objective of this study was to evaluate the effects of treatment with an intravaginal
progesterone-releasing device (CIDR) and estradiol benzoate (EB) on follicular dynamics in …

Reproductive cycles in Bos indicus cattle

R Sartori, CM Barros - Animal reproduction science, 2011 - Elsevier
Several studies using transrectal ovarian ultrasonic scanning in Bos taurus (B. taurus) cattle
and more recently in Bos indicus (B. Indicus) females evaluated the reproductive cycles of …

[PDF][PDF] Technologies for fixed-time artificial insemination and their influence on reproductive performance of Bos indicus cattle

GA Bo, L Cutais, LC Peres, D Pincinato… - Bioscientifica …, 2019 - repositorio.usp.br
The adaptation of Bos indicus cattle to tropical and subtropical environments has led to their
widespread distribution around the world. Although artificial insemination(Al) is one of the …

Physiological differences and implications to reproductive management of Bos taurus and Bos indicus cattle in a tropical environment

R Sartori, MR Bastos, PS Baruselli… - Reprod in Domestic …, 2011 - books.google.com
In the current review the main fundamental biological differences in reproductive function
between Bos taurus and Bos indicus cattle are discussed. Breed differences regarding …

Follicular dynamics in zebu cattle

JHM VIANA, ADEM FERREIRA, WFDE SÁ… - Pesquisa …, 2000 - SciELO Brasil
The aim of this study was to investigate the follicular dynamics during estrous cycle in Gir
breed (Bos indicus) cows. Follicular growth and atresia during estrous cycle were evaluated …

Behavioural signs of estrus and their relationship to time of ovulation in Zebu (Sahiwal) cattle

SS Layek, TK Mohanty, A Kumaresan, K Behera… - Animal Reproduction …, 2011 - Elsevier
The present study reports the behavioural signs of estrus, their temporal distribution and
duration of expression and their relationship with the time of ovulation in zebu cattle in order …

[HTML][HTML] Comparative efficacy of different estrus synchronization protocols on estrus induction response, fertility and plasma progesterone and biochemical profile in …

AJ Dhami, BB Nakrani, KK Hadiya, JA Patel… - Veterinary …, 2015 - ncbi.nlm.nih.gov
Aim: To evaluate estrus induction response and fertility including plasma progesterone and
biochemical profile following use of three standard hormonal protocols in anestrus …