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Black Bear Sterilization Project

The Neutersol® Solution
 
Phase I of the Black Bear Sterilization Project
(safety and efficacy studies of Neutersol® treatment on captive bears)

These studies will measure the following parameters on tranquilized or anesthetized captive Black Bears:

  • Weight
  • Black Bear ID with photo and injectable microchip information
  • Testicular Mass
  • Blood Chemistry Profile
  • Blood Zinc Level
  • Complete Blood Count
  • Testicular Ultrasound Examinations
  • Testicular Histopathology
  • Semen Analysis

Phase I studies will involve captive Black Bears and as many as necessary to ensure a statistically significant result.

These testing parameters will need to be repeated at various intervals during the Phase I studies. Once safety and efficacy have been established, however, Phase II studies may begin concurrent with Phase I studies.


 

Phase II Studies of the Black Bear Sterilization Project

Once safety and efficacy and dosing of Zinc Gluconate intra-testicular injections have been demonstrated and established, Phase II studies, involving the sterilizing by Neutersol® injections of tranquilized or anesthetized residential wild Black Bears, will begin. The term "residential" implies bears living in or near residential neighborhoods. Many New Jersey Black Bears are daily visitors to New Jersey residential neighborhoods. Individual bears in this category will be treated with the chemical sterilant and observed on a daily basis by resident neighbors.

The treated bears in this category of individuals, like the subjects in the Phase I category, will be initially tested and measured by the following parameters at the time of Neutersol® treatment:

  • Black Bear ID with photo and injectable microchip information
  • Radio Collar Application in order to quickly recover patient as necessary
  • Testicular Mass
  • Blood Chemistry Profile
  • Complete Blood Count
  • Testicular Ultrasound Examinations
  • Testicular Histopathology
  • Blood Testerone Measurement
  • Semen Analysis


Phase two studies will involve at least 10 subject bears or as many as will be necessary to get statistically significant results.

Phase III studies may begin concurrent with Phase I and II studies once safety and efficacy have been established.


 

Phase III Studies of the Black Bear Sterilization Project


Phase III will involve continuous mass Black Bear Sterilizations in order to maintain a healthy New Jersey Black Bear Population in both genetic diversity and population numbers. The number of individuals involved in Phase III Studies will be determined by actual population estimates, ideal population size and a number of other factors involved in normal population growth. The targeted individuals will be chosen by our wildlife biologist experts using a number of identifiers.

Additional Information About The Black Bear Sterilization Project
 

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