MANIFESTAÇÃO DE ESTRO, FERTILIDADE E DESEMPENHO REPRODUTIVO DE CABRAS LEITEIRAS DE DIFERENTES RAÇAS EM AMBIENTE QUENTE
2008
Débora Andréa Evangelista Façanha Morais | Fátima Révia Granja Lima | Ângela Maria de Vasconcelos | Patrícia de Oliveira Lima | Jacinara Hody Gurgel Morais
The work was conducted in Acauã site, in Caucaia - Ceará State, in a "semi-árida" coast region. The objective was to evaluate thermal stress occurrence and his possible impact on ovulation induction treatment efficiency, onset of estrous behavior of dairy Goats from different breeds. Twenty two adult goats were utilized: 10 Saanen, 4 American Alpines and 8 ½ Murciana x undefined breed, raised in installations with high floor, side windows and sunny areas. The estrous induction treatment was conducted using vaginal sponges with MAP, intramuscularly Cloprostenol and eCG. In the environment were registered air temperature and humidity, Radiant Heat Load and Black-Globe Humidity Index. Rectal temperature was similar between breeds and partum order. Respiratory rate was higher in Alpine goats. The induction treatment and estrous behavior interval was similar in ½ Murciana x undefined breed goats and Saanen goats and higher in Alpines and multiparous goats. The fertility rate at 1st AI was lower in ½ Murciana x undefined breed goats and multiparous goats.
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