| 31. | It was released on Estrus Records on clear orange vinyl and black vinyl.
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| 32. | Synchronous estrus occurs when multiple females are in estrus at the same time.
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| 33. | Synchronous estrus occurs when multiple females are in estrus at the same time.
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| 34. | It was recorded in 1998 and released on Estrus.
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| 35. | First, all mammals have some form of estrus.
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| 36. | Females in estrus are followed by males, with copulation initiated by the female.
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| 37. | Previously, intravaginal progestogen sponges were a common method of estrus manipulation in ewes.
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| 38. | They go into estrus a month later.
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| 39. | The bucks visited the salt water site as often as the doe in estrus sites.
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| 40. | Once females start coming into estrus, males from all around descend on the group.
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