The effect of cracked corn grain supplementation (3.5 kg/day) during 3 weeks before the expected calving date on milk production and composition, body condition score (BCS), metabolic and hormonal profiles and length of postpartum anoestrus was evaluated in multiparous Holstein dairy cows under grazing conditions (Energy supplemented group, n = 10; Control group, n = 10). Body condition score w...

Context Studies have shown that favourable genetic correlations exist between female and male fertility traits. However, investigations regarding these in Australian tropical beef cattle are limited to either pedigree or single-breed analysis. Aim The study aims use genomic information estimate parameters of six seven traits measured during the first 2 years life, two breeds. Methods Single-, b...

The present study was conducted to study the effect of Aegle marmelos and Murraya koenigii on the follicular development in delayed pubertal Sahiwal heifers. A total of 14 anoestrus Sahiwal heifers with a mean age of 32.85 ± 0.86 months and were divided in to two groups viz. Group-1 (G-1) (n=8) and Group-2 (G-2) (n=6). Heifers in G-1 were treated with shade dried grinded leaves in combination i...

The aim of this review is to give insight into the reproduction potential of the Boer goat doe. Assessment of the reproduction traits in the Boer goat doe demonstrates a mean body weight at puberty of between 30.6 and 27.5kg, depending on the dietary energy level. Kids weaned during the natural breeding season (April/May) exhibit oestrus or puberty earlier than those weaned outside the natural ...

Infertility in the bitch has manifold causes. Bacterial endometritis was found to be causative in most cases and since the incidence of B.canis infection in breeding bitches is increasing, serology for B.canis should always be performed. In subclinical or low grade cases of other bacterial infections, conservative treatment may be successful with the repeated application of the antiprogesterone...

Gonadotrophin-inhibitory hormone (GnIH) is a novel hypothalamic neuropeptide that was discovered in birds as an inhibitory factor for gonadotrophin release. RFamide-related peptide (RFRP) is a mammalian GnIH orthologue that inhibits gonadotrophin synthesis and release in mammals through actions on gonadotrophin-releasing hormone (GnRH) neurones and gonadotrophs, mediated via the GnIH receptor (...

Hyperoestrogenism causing progressive alopecia in neutered ferrets may be induced by ovarian remnant syndrome (ORS) and nodular hyperplasia of the adrenocortex (hyperadrenocorticism, NHA). The objective of the study was to determine whether a slow-release implant of a gonadotropin releasing hormone (GnRH) analogue, deslorelin, has any value in therapy of hyperoestrogenism of adrenocortical orig...

The existence of short ovulatory cycles (5-day duration) after the first male-induced ovulations in anovulatory ewes and goats, associated or not with the appearance of oestrous behaviour, is the origin of the two-peak abnormal distribution of parturitions after the "male effect". We propose here a working hypothesis to explain the presence of these short cycles. The male-effect is efficient du...