Environmental and social cues can be used in combination to develop sustainable breeding techniques for goat reproduction in the subtropics

JA Delgadillo - Animal, 2011 - cambridge.org
Goat breeds from subtropical latitudes show different annual reproductive cycles. Some of
them display large seasonal variations in their annual breeding season, while others display …

Evidence for an annual reproductive rhythm independent of food availability in male Creole goats in subtropical northern Mexico

JA Delgadillo, GA Canedo, P Chemineau, D Guillaume… - Theriogenology, 1999 - Elsevier
The aim of this study was to determine if there is a seasonal pattern of sexual activity
dependent on food availability in male Creole goats in subtropical Mexico. The study was …

Reproductive seasonality in female goats adapted to a subtropical environment persists independently of food availability

G Duarte, JA Flores, B Malpaux… - Domestic Animal …, 2008 - Elsevier
The aim of this study was to determine whether the seasonal change in food availability
provides a predictive cue that synchronizes the breeding season in goats adapted to the …

Evidence that the photoperiod controls the annual changes in testosterone secretion, testicular and body weight in subtropical male goats

JA Delgadillo, ME Cortez, G Duarte… - Reproduction …, 2004 - rnd.edpsciences.org
The aim of this study was to determine whether the reproductive seasonality of local male
goats from subtropical Mexico (26 N) is controlled by photoperiod. The control group (n= 7) …

Management of photoperiod to control caprine reproduction in the subtropics

JA Delgadillo, G Fitz-Rodríguez, G Duarte… - Reproduction …, 2004 - CSIRO Publishing
Reproductive seasonality is observed in some breeds originating from or adapted to
subtropical latitudes. In 'photoperiodic flexible breeds', such as Australian cashmere goats …

Nutritional supplementation improves ovulation and pregnancy rates in female goats managed under natural grazing conditions and exposed to the male effect

G Fitz-Rodríguez, MA De Santiago-Miramontes… - Animal Reproduction …, 2009 - Elsevier
Two experiments were conducted to determine if nutritional supplementation improved
ovulation and pregnancy rates in female goats managed under grazing conditions and …

Ovulatory activity of female goats adapted to the subtropics is responsive to photoperiod

G Duarte, MP Nava-Hernández, B Malpaux… - Animal Reproduction …, 2010 - Elsevier
The objective of this study was to determine whether reproductive seasonality of local well-
fed female goats from subtropical Mexico (26° N) can be controlled by photoperiod. The …

Body condition is associated with a shorter breeding season and reduced ovulation rate in subtropical goats

MA De Santiago-Miramontes, B Malpaux… - Animal Reproduction …, 2009 - Elsevier
To determine the effect of body condition on the characteristics of the breeding season in
female goats from subtropical Mexico, does in either greater-or lesser-body condition (n …

Feeding corn during the last 12 days of gestation improved colostrum production and neonatal activity in goats grazing subtropical semi-arid rangeland

S Ramírez-Vera, A Terrazas… - Journal of Animal …, 2012 - academic.oup.com
The objectives were to investigate if partial substitution of a grazing diet with a supplemental
high-starch feed during the last 12 d of gestation improved colostrum yield and neonatal …

Inclusion of maize in the grazing diet of goats during the last 12 days of gestation reinforces the expression of maternal behaviour and selectivity during the sensitive …

S Ramírez-Vera, A Terrazas, JA Delgadillo, JA Flores… - Livestock Science, 2012 - Elsevier
The objectives of this study were to investigate if partial substitution of a grazing diet with
maize during the last 12d of gestation in goats bred under semi-arid grazing conditions …