Publications

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induction of sexual activity of male creole goats in subtropical northern mexico using long days and melatonin.the aim of this study was to determine whether the sexual activity of local male creole goats in subtropical mexico can be induced during the non-breeding season by a long-day treatment followed by insertion of two melatonin implants. the experiment was carried out in the laguna region in the state of coahuila, mexico (26 degrees n). fourteen male goats were allocated to two balanced groups (n = 7 each) according to body and testicular weights. males were kept together in two separate groups and ...200111583410
evidence for an annual reproductive rhythm independent of food availability in male creole goats in subtropical northern mexico.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 conducted in the laguna region in the state of coahuila, mexico (26 degrees n). male creole goats (n = 8) were kept in a shed, fed alfalfa ad libitum and given 200 g of concentrate daily throughout the study. live weight and testicular weight were determined every 2 wk. sexual behavior and sperm production were determine ...199910734370
length of postpartum anestrus in goats in subtropical mexico: effect of season of parturition and duration of nursing.the aim of this study was to determine whether season of birth and length of nursing affected the duration of postpartum anestrus in creole female goats maintained on a constant plane of nutrition in subtropical mexico. three experiments were conducted in the laguna region in the state of coahuila, mexico (26 degrees n). in the first experiment, 34 goats gave birth in january; in the second, 31 females gave birth in may; and in the third, 22 goats kidded in october. at parturition, females were ...199810732058
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